Schedule

The Year of Quantum: Applications, Architectures and Enabling Technologies for Quantum Communication and Computing I

1. 8:00 - 8:30
   M1A.1

   Xanadu's Path to Fault Tolerant Photonic Quantum Computing

   Presenter: Dylan Mahler, Xanadu Quantum Technologies Inc., Canada

    Presentation Details

   Invited

   We discuss Aurora, our recent demonstration of scaling and networking in a modular architecture, as well as other recent breakthroughs on Xanadu’s path to universal, fault-tolerant photonic quantum computing.Authors: Dylan Mahler, Xanadu Quantum Technologies Inc.
2. 8:30 - 9:00
   M1A.2

   Building the QEYSSat Mission by Putting Quantum Optics Experiments Into Space

   Presenter: Thomas Jennewein, University of Waterloo, Canada

    Presentation Details

   Invited

   Quantum communication in space allows to bridge large distances and also extend the tests over large distances, and represents an important step towards building a quantum internet. We discuss translating quantum optics experiments from laboratory setups to the upcoming QEYSSat space mission.Authors: Thomas Jennewein, University of Waterloo
3. 9:00 - 9:30
   M1A.3

   How to Build a Quantum Computer One Atom at a Time

   Presenter: Crystal Noel, Duke University, United States

    Presentation Details

   Invited

   The intrinsic properties of atoms combined with engineering innovation have made trapped ions the most controllable quantum system in use today – paving the way for precision sensing, secure communication, and powerful computation.Authors: Crystal Noel, Duke University

Submarine Transmission

1. 8:00 - 9:00
   M1B.1

   Power-Limited Submarine Transmission: Cable Design, Amplification Strategies and Capacity Limits

   Presenter: Alexei Pilipetskii, SubCom LLC, United States

    Presentation Details

   Tutorial

   The tutorial focuses on the challenges of powering subsea cables while continuing to grow capacity. It discusses the transition to SDM cables and examines the limitations of current technology. Potential ways forward are also explored.Authors: Alexei Pilipetskii, SubCom LLC
2. 9:00 - 9:15
   M1B.2

   403 km, 10.3 Tb/s, Unrepeatered Link Using Incoherent Raman Amplification Without ROPA

   Presenter: Ruben Luis, NICT, Japan

    Presentation Details   Paper

   We use incoherent co-propagating and conventional counter-propagating Raman pumps to transmit a 73x49 GBaud, PM-QPSK, 30 nm signal over a record 403 km link with a minimum 62 dB loss for a 10.3 Tb/s throughput.Authors: Ruben Luis, NICT / Divya Shaji, NICT / Daniele Orsuti, University of Padova / Norihiro Ohishi, Furukawa Electric Co., Ltd / Junji Yoshida, Furukawa Electric Co., Ltd / Benjamin Puttnam, NICT / Luca Palmieri, University of Padova / Cristian Antonelli, University of L'Aquila / Hideaki Furukawa, NICT
3. 9:15 - 9:45
   M1B.3

   High Capacity Optical Transmission for Transoceanic and Space Communication Convergence

   Presenter: Hidenori Takahashi, KDDI Research Inc., Japan

    Presentation Details   Paper

   Invited

   This paper reviews the recent implementation of optical transmission technologies in submarine cable and optical satellite communications. It discusses the differences in preferred aspects of digital coherent transmission technologies between these two fields.Authors: Hidenori Takahashi, KDDI Research Inc.
4. 9:45 - 10:00
   M1B.4

   Real-Time Unrepeatered Transmission of 28.13Pb/s●km With 800G Transciever and Novel Bi-Directional ROPA

   Presenter: Xu Jian, Huazhong University of Science and Technology, China

    Presentation Details   Paper

   Top Scored

   We first experimentally demonstrate real-time 76.8Tb/s (96×800G) unrepeatered transmission over 366.3km employing C&L bands, which is a record capacity-distance (28.13Pb/s●km), using commercial coherent transciever, high-order remote pumping unit, optimized C+L remote gain unit, and ultra low-loss G.654E fiber.Authors: Xu Jian, Huazhong University of Science and Technology / Mingxiong Duan, ACCELINK / William Shieh, Westlake University / Qianggao Hu, ACCELINK / Jiekui Yu, ACCELINK / Chen Liu, Huazhong University of Science and Technology / Tian Qiu, Huazhong University of Science and Technology / Jiale Liu, Huazhong University of Science and Technology / Yuming Zhao, Huazhong University of Science and Technology / Jianjun Wu, ACCELINK / Shujuan Sun, ACCELINK / Chengpeng Fu, ACCELINK / Liyan Huang, ACCELINK / Han Long, ACCELINK / Bozhong Li, State Grid Information & Telecommunication Branch / Fang Chen, State Grid Information & Telecommunication Branch / Hao Chen, Corning Corporation Inc / Qi Yang, Huazhong University of Science and Technology

Sensing Applications I

1. 8:00 - 8:15
   M1C.1

   Field Trials of Manhole Localization and Condition Diagnostics by Using Ambient Noise and Temperature Data With AI in a Real-Time Integrated Fiber Sensing System

   Presenter: Ming-Fang Huang, NEC Laboratories America Inc., United States

    Presentation Details   Paper

   Top Scored

   Field trials of ambient noise-based automated methods for manhole localization and condition diagnostics using a real-time DAS/DTS integrated system were conducted. Cross-referencing multiple sensing data resulted in a 94.7% detection rate and enhanced anomaly identification.Authors: Ming-Fang Huang, NEC Laboratories America Inc. / Shaobo Han, NEC Laboratories America Inc. / Yaowen Li, NEC Laboratories America Inc. / Glenn Wellbrock, Verizon / Tiejun Xia, Verizon / Scott Kotria, Verizon / James Moore, Verizon / Philip Ji, NEC Laboratories America Inc. / Tingfeng Li, NEC Laboratories America Inc. / Yuheng Chen, NEC Laboratories America Inc. / Ting Wang, NEC Laboratories America Inc. / Yoshiaki Aono, NEC Corporation
2. 8:15 - 8:30
   M1C.2

   Thermal Imaging-Based Localization Technique for Fiber Breakpoints in Drop Cables

   Presenter: Tomokazu Oda, NTT EAST, Japan

    Presentation Details   Paper

   We investigated the requirements for locating fiber breakpoints in drop cables using a thermal imaging camera. We revealed that breakpoints could be located with 3-dBm input power, with temperature saturation occurring around 100 seconds.Authors: Tomokazu Oda, NTT EAST / Kei Makino, NTT EAST / Takayuki Hosome, NTT EAST / Masami Miyazaki, NTT EAST / Hiromu Hashimoto, NTT EAST
3. 8:30 - 9:00
   M1C.3

   Repeaterless Brillouin OTDR Sensing

   Presenter: Neethu Mariam Mathew, DTU Electro, Denmark

    Presentation Details   Paper

   Invited

   We demonstrate a Brillouin OTDR sensing range of 250 km on a telecommunication fiber. Including a normal dispersion fiber at a selected position helps to reduce the nonlinear noise arising from modulation instability at the remote end.Authors: Neethu Mariam Mathew, DTU Electro / Mads Vandborg, DTU Electro / Jesper Christensen, DFM / Zepeng Wang, DTU Electro / Lars Grüner-Nielsen, DTU Electro / Lars Rishøj, DTU Electro / Roger Crickmore, LUNA Innovations / Thibault North, LUNA Innovations / Tommy Geisler, OFS / Mikael Lassen, DFM / Karsten Rottwitt, DTU Electro
4. 9:00 - 9:15
   M1C.4

   First Field Demonstration of Diagnosis of Aerial Telecom Facilities by Using High-Precision Φ-OTDR DAS

   Presenter: Yoshifumi Wakisaka, NTT Corporation, Japan

    Presentation Details   Paper

   We measure a field-deployed telecommunication fiber cable before and after repairing detachment from hanger by using multi-frequency Φ-OTDR DAS, showing possibility of detecting the abnormality based on change of vibration patterns for the first time.Authors: Yoshifumi Wakisaka, NTT Corporation / Hiroshi Takahashi, NTT Corporation / Takahiro Ishimaru, NTT Corporation / Daisuke Iida, NTT Corporation / Keisuke Murakami, NTT Corporation / Chihiro Kito, NTT Corporation / Yusuke Koshikiya, NTT Corporation / Kunihiro Toge, NTT Corporation
5. 9:15 - 9:30
   M1C.5

   Experimental Validation for Early Earthquake Detection Using Transfer Learning

   Presenter: Emanuele Virgillito, Politecnico di Torino, Italy

    Presentation Details   Paper

   We apply transfer learning with an LSTM-attention model, trained on simulated earthquake SOP data and tested on experimentally emulated data over a 38 km deployed fiber link, achieving 98% accuracy in early earthquake detection.Authors: Hasan Awad, Politecnico di Torino / Fehmida Usmani, National University of Computer and Emerging Sciences / Stefano Straullu, Links Foundation / Rudi Bratovich, SM-Optics / Emanuele Virgillito, Politecnico di Torino / Francesco Aquilino, Links Foundation / Roberto Proietti, Politecnico di Torino / Vittorio Curri, Politecnico di Torino
6. 9:30 - 9:45
   M1C.6

   Field Tests of AI-Driven Road Deformation Detection Leveraging Ambient Noise Over Deployed Fiber Networks

   Presenter: Tingfeng Li, NEC Laboratories America, Inc., United States

    Presentation Details   Paper

   This study demonstrates an AI-driven method for detecting road deformations using Distributed Acoustic Sensing (DAS) over existing telecom fiber networks. Utilizing ambient traffic noise, it enables real-time, long-term, and scalable monitoring for road safety.Authors: Tingfeng Li, NEC Laboratories America, Inc. / Ming-Fang Huang, NEC Laboratories America, Inc. / Shaobo Han, NEC Laboratories America, Inc. / Yaowen Li, NEC Laboratories America, Inc. / Glenn Wellbrock, Verizon / Tiejun Xia, Verizon / Scott Kotria, Verizon / James Moore, Verizon / Ting Wang, NEC Laboratories America, Inc.
7. 9:45 - 10:00
   M1C.7

   Highly-Precise Fiber Co-Route Segment Location With Multi-Modal Vibration Analysis and Field Demonstration for Intelligent Optical Network

   Presenter: yucong Liu, China Mobile Research Institute, China

    Presentation Details   Paper

   We propose a highly-precise co-route fiber location scheme leveraging intelligent pattern recognition aided by multi-modal vibration analysis, which is verified by a field trial simultaneously achieving record meter-level positioning precision and over 98% identification accuracy.Authors: yucong Liu, China Mobile Research Institute / dong wang, China Mobile Research Institute / yunbo Li, China Mobile Research Institute / Ji Deng, Taclink Optoelectronics Technology Co., Ltd / Hongen Yang, Taclink Optoelectronics Technology Co., Ltd / yang Zhao, China Mobile Research Institute / Mingqing Zuo, China Mobile Research Institute / Dechao Zhang, China Mobile Research Institute / Han Li, China Mobile Research Institute

Multi-Mode and Polarization-Dependent Devices

1. 8:00 - 8:15
   M1D.1

   Ultra-Compact and Low-Loss Pixelated Mode (De)-Multiplexer for Mode-Division Multiplexed Coherent-Lite Optical Interconnects

   Presenter: Aolong Sun, Fudan University, China

    Presentation Details   Paper

   We demonstrate an ultra-compact and low-loss pixelated four-TE-mode (de)multiplexer with sub-1 dB insertion loss for all modes at 1550 nm, enabling net 1.09 Tb/s/λ SCM-32QAM signal transmission across 16 wavelengths in mode-division-multiplexed coherent-lite optical interconnects.Authors: Aolong Sun, Fudan University / Hua Tan, Fudan University / Xuyu Deng, Fudan University / An yan, Fudan University / qiyuan li, Huazhong University of Science and Technology / zengfan shen, Huazhong University of Science and Technology / Sizhe Xing, Fudan University / yuqin yuan, Fudan University / junhao zhao, Fudan University / Yongzhu Hu, Fudan University / Zhongya Li, Fudan University / Boyu Dong, Fudan University / Fangchen Hu, Zhangjiang Laboratory / Ziwei Li, Fudan University / Jianyang Shi, Fudan University / Chao Shen, Fudan University / Li Shen, Huazhong University of Science and Technology / Wei Chu, Zhangjiang Laboratory / Haiwen Cai, Zhangjiang Laboratory / Nan Chi, Fudan University / Junwen Zhang, Fudan University
2. 8:15 - 8:30
   M1D.2

   Orbital Angular Momentum Beam Generation With Inversedesigned Multimode Meta-Waveguides

   Presenter: Shuang Zheng, Huazhong uni of Science and Technology, China

    Presentation Details   Paper

   We design, fabricate and demonstrate chip-scale inverse-designed multimode meta-waveguides to generate OAM beam. By experimental measurement, eight kinds of optical vortex beams can be generated in the wavelength range of 1530 nm to 1570 nm.Authors: Tiange Wu, Huazhong uni of Science and Technology / Kaiyuan Wang, Huazhong uni of Science and Technology / Jing Luan, Huazhong uni of Science and Technology / Yifei Chong, Huazhong uni of Science and Technology / Shuang Zheng, Huazhong uni of Science and Technology / Minming Zhang, Huazhong uni of Science and Technology
3. 8:30 - 8:45
   M1D.3

   High-Performance and Scalable Four-Mode Cyclic Mode Converter Enabled by Semi-Inverse Designed Directional Couplers

   Presenter: Yongchen Wang, Huazhong University of Science and Techn, China

    Presentation Details   Paper

   We present a high-scalability, wide-bandwidth, and high-performance four-mode cyclic-mode converter based on efficient semi-inverse design with variable-length segments. The measured insertion loss is <1.8dB, the crosstalk is <-15dB, and 110Gbps-PAM4 signal transmission is experimentally achieved.Authors: Yongchen Wang, Huazhong University of Science and Techn / Zhe Yuan, Huazhong University of Science and Techn / Hangming Fan, Huazhong University of Science and Techn / Junlin Pan, Huazhong University of Science and Techn / Xiaoyang Liu, Huazhong University of Science and Techn / Mengfan Cheng, Huazhong University of Science and Techn / Qi Yang, Huazhong University of Science and Techn / Deming Liu, Huazhong University of Science and Techn / Lei Deng, Huazhong University of Science and Techn
4. 8:45 - 9:00
   M1D.4

   Ultra-Broadband Double-Layered Polarization Rotator by Inverse Design and 193-nm DUV Lithography

   Presenter: Zengqi Chen, Hong Kong Univ of Sci & Tech (Guangzhou), China

    Presentation Details   Paper

   We experimentally demonstrated an integrated polarization rotator using always-feasible inverse design and 193-nm DUV lithography. An experimental peak insertion loss of -0.41 dB and 1-dB bandwidth of >100 nm can be obtained.Authors: Hao Chen, Hong Kong Univ of Sci & Tech (Guangzhou) / Zengqi Chen, Hong Kong Univ of Sci & Tech (Guangzhou) / Yipeng Zang, Wuxi Institute of Interconnect Technology Ltd / Qinfen Hao, Institute of Computing Technology, Chinese Academy of Sciences / Yeyu Tong, Hong Kong Univ of Sci & Tech (Guangzhou)
5. 9:00 - 9:15
   M1D.5

   Spatial and Polarization Mode Multiplexer Using a Reflective Metasurface Chip

   Presenter: Go Soma, The University of Tokyo, Japan

    Presentation Details   Paper

   We demonstrate a spatial and polarization mode multiplexer based on reflective metasurface. Using a compact device with ~0.65-mm2 chip size, we achieve simultaneous conversion of six input modes to the desired spatial and polarization modes.Authors: Go Soma, The University of Tokyo / Kento Komatsu, The University of Tokyo / Yoshiaki Nakano, The University of Tokyo / Takuo Tanemura, The University of Tokyo
6. 9:15 - 9:30
   M1D.6

   Multimode-Enabled Silicon Photonic Delay Line

   Presenter: Shihan Hong, Zhejiang university, China

    Presentation Details   Paper

   Top Scored

   We demonstrated a multimode-enabled silicon photonic delay line by supporting multiple modes propagating in parallel in a single ultralow-loss multimode waveguide spiral, towards an ultra-large delay range and ultra-high delay density time delay system.Authors: Shihan Hong, Zhejiang university / Long Zhang, Zhejiang university / Jiachen Wu, Zhejiang university / Yingying Peng, Zhejiang university / Linyan Lyu, Zhejiang university / Yinpeng Hu, Zhejiang university / Yiwei Xie, Zhejiang university / Daoxin Dai, Zhejiang university
7. 9:30 - 10:00
   M1D.7

   Mode Control Devices Based on Silica-PLC for SDM

   Presenter: Kunimasa Saitoh, Hokkaido University, Japan

    Presentation Details

   Invited

   Recent advances in silica-based planar lightwave circuit (PLC) devices for spatial mode control in space division multiplexing (SDM) are presented, focusing on device designs achieving low loss, tunability, and broadband performance for mode-division-multiplexing (MDM) transmission.Authors: Kunimasa Saitoh, Hokkaido University / Takanori Sato, Hokkaido University / Takayoshi Mori, NTT Corporation / Taiji Sakamoto, NTT Corporation / Takashi Matsui, NTT Corporation / Kazuhide Nakajima, NTT Corporation

System Characterization and Monitoring

1. 8:00 - 8:15
   M1E.1

   An Accurate, Sensitive, and Wide-Range Skew Calibration Method for Transmitter With Segmented Modulator Using Probability-Maintained Multi-Notch Sequence

   Presenter: Tong Ye, Fujitsu R&D Center, China

    Presentation Details   Paper

   Probability-maintained multi-notch sequence is proposed for skew calibration in segmented modulator. For fine calibration, the sensitivity is 4 times that of conventional method. The estimation error of coarse calibration that covers 0.5-3 UI is only 0.023 UI.Authors: Tong Ye, Fujitsu R&D Center / Jingnan Li, Fujitsu R&D Center / Ke Zhang, Fujitsu R&D Center / Xiaofei Su, Fujitsu R&D Center / Shinsuke Tanaka, Fujitsu Ltd. / Yohei Sobu, Fujitsu Ltd. / Hisao Nakashima, Fujitsu Ltd. / Takeshi Hoshida, Fujitsu Ltd. / Zhenning Tao, Fujitsu R&D Center
2. 8:15 - 8:30
   M1E.2

   In-Field Self-Calibration Scheme Enabling Separation of Frequency Response/IQ Skew of Coherent Optical Transceivers

   Presenter: Hongyu Li, huazhong univ. of science and technology, China

    Presentation Details   Paper

   The in-field self-calibration scheme is proposed for coherent optical transceivers separating the frequency-response/IQ-skew characterization of Tx/Rx without extra optical equipment. Sub-ps timing correction (<0.2ps) and frequency-response (<1dB, <0.25rad) correction enable the 40/20GBaud 16/64QAM signals transmissions.Authors: Hongyu Li, huazhong univ. of science and technology / Mengfan Cheng, huazhong univ. of science and technology / Qi Yang, huazhong univ. of science and technology / Ming Tang, huazhong univ. of science and technology / Deming Liu, huazhong univ. of science and technology / Lei Deng, huazhong univ. of science and technology
3. 8:30 - 8:45
   M1E.3

   Low-Complexity Digital Twinning of Optical I/Q Modulator by Direct-Detection With Widely Non-Linear Phase Retrieval

   Presenter: Yuki Yoshida, National Inst of Information & Comm Tech, Japan

    Presentation Details   Paper

   A direct-detection based simultaneous monitoring and modeling of I/Q-dependent frequency responses and Volterra-type high-order nonlinearities in an optical I/Q modulator is proposed and demonstrated experimentally in a 10-Gbaud 128-QAM system.Authors: Yuki Yoshida, National Inst of Information & Comm Tech / Shoichiro Oda, Fujitsu Limited / Naokatsu Yamamoto, National Inst of Information & Comm Tech / Takeshi Hoshida, Fujitsu Limited / Kouichi Akahane, National Inst of Information & Comm Tech
4. 8:45 - 9:00
   M1E.4

   Characterizing Devices Nonlinearity in Optical Communications: a Notch-Free Approach

   Presenter: Meng Qiu, Huawei Technologies Canada Co. Ltd, Canada

    Presentation Details   Paper

   In high-speed optical communications, device imperfections, especially nonlinear ones, significantly degrade signals. We experimentally proved that the nonlinear noise-to-signal ratio can be characterized through frequency subband analysis, without altering the nonlinear system’s transfer function.Authors: XIANG LIN, Huawei Technologies Canada Co. Ltd / Zhiping Jiang, Huawei Technologies Canada Co. Ltd / Meng Qiu, Huawei Technologies Canada Co. Ltd / Xuefeng Tang, Huawei Technologies Canada Co. Ltd
5. 9:00 - 9:15
   M1E.5

   In-Service Monitor and Pre-Compensation of 100 Gbaud-Class Coherent Transmitter by a 5 GHz Photodetector

   Presenter: Ke Zhang, Fujitsu Research & Development Center CO., LTD, China

    Presentation Details   Paper

   Top Scored

   We experimentally verify that the inherent imperfection of a 100 Gbaud-class coherent transmitter can be accurately monitored and pre-compensated in the background merely by a single photodetector of 5GHz-bandwidth based on error backpropagation scheme.Authors: Ke Zhang, Fujitsu Research & Development Center CO., LTD / Jingnan Li, Fujitsu Research & Development Center CO., LTD / Tong Ye, Fujitsu Research & Development Center CO., LTD / Hisao Nakashima, Fujitsu Limited / Takeshi Hoshida, Fujitsu Limited / Zhenning Tao, Fujitsu Research & Development Center CO., LTD
6. 9:15 - 9:30
   M1E.6

   Experimental Demonstration of a Precision-Enhanced ADC Using a Dual-Stage Quantization

   Presenter: Qiuyan Li, Beijing University of Posts & Telecom, China

    Presentation Details   Paper

   We propose a precision-enhanced ADC scheme combining optical phase quantization and electrical amplitude quantization. Experimental results show a 2-bit improvement in ENOB compared to an unenhanced ADC at a sampling rate of 10Gs/s.Authors: Qiuyan Li, Beijing University of Posts & Telecom / Jifang Qiu, Beijing University of Posts & Telecom / Ziqi Zhang, Beijing University of Posts & Telecom / Yuepeng Wu, Beijing University of Posts & Telecom / Bowen Zhang, Beijing University of Posts & Telecom / Yan Li, Beijing University of Posts & Telecom / Jian Wu, Beijing University of Posts & Telecom
7. 9:30 - 9:45
   M1E.7

   A Modulation-Agnostic Pilot-Aided Fiber Length Estimator for High-Speed Coherent Links

   Presenter: Nestor Campos, Marvell Semiconductor Inc., Argentina

    Presentation Details   Paper

   We propose and validate an algorithm for estimating the optical fiber length in a 375 km (max) coherent link. The algorithm uses a tailored pilot symbol sequence, assessed with QAM16 at 90GBd.Authors: Nestor Campos, Marvell Semiconductor Inc. / Marcos Olmos Rebellato, Marvell Semiconductor Inc. / Agustin Martinez Balsa, Marvell Semiconductor Inc. / Damian Morero, Marvell Semiconductor Inc.
8. 9:45 - 10:00
   M1E.8

   Localization of Multipath Interference in IM/DD Systems by Receiver-Side DSP Using Signal and Noise Correlation

   Presenter: Leyan Fei, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   We propose and experimentally demonstrate an MPI localization scheme based on signal and noise correlation (SNC) and cyclic accumulation (CA), achieving localization accuracy of 3m and a 4000-fold reduction in storage requirement for correlation operations.Authors: Leyan Fei, Shanghai Jiao Tong University / Mengfan Fu, Shanghai Jiao Tong University / Yicheng Xu, Shanghai Jiao Tong University / Yu Guo, Shanghai Jiao Tong University / Xi Chen, Shanghai Jiao Tong University / Weisheng Hu, Shanghai Jiao Tong University / Qunbi Zhuge, Shanghai Jiao Tong University

Hollow and Solid Core Ultra Low Loss Fibers

1. 8:00 - 9:00
   M1F.1

   Anti-Resonant Hollow-Core Fibers

   Presenter: Francesco Poletti, Optoelectronics Research Centre, United Kingdom

    Presentation Details

   Tutorial

   Discovered by accident and initially only a tool for physicists, antiresonant hollow core fibers have recently achieved performances attracting the attention of optical communications. We will review their key properties and highlight their potential uses.Authors: Francesco Poletti, Optoelectronics Research Centre
2. 9:00 - 9:15
   M1F.2

   Hollow-Core Double Nested Antiresonant Nodeless Fiber Cable With Polarization Mode Dispersion1/2

   Presenter: Guoqun Chen, Yangtze Optical Fibre and Cable Joint Stock Limited Company, China

    Presentation Details   Paper

   Top Scored

   We report a double nested antiresonant nodeless fiber (DNANF) cable with polarization mode dispersion coefficient of 0.046 ps/km1/2, achieved by spinning DNANF, with the loose sheath layer stranded air blown micro cable used for cabling.Authors: Chenyang Hou, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Guoqun Chen, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Xiaokai Wang, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Mingfeng Mao, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Liyan Zhang, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Peng Li, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Lei Zhang, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Jie Luo, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Jinmin Ding, Beijing Jiaotong University / Zeyi Duan, Beijing Jiaotong University / Sheng Liang, Beijing Jiaotong University
3. 9:15 - 9:30
   M1F.3

   Field Trial of CO₂ Absorption Impact on Coherent Transmission Over 36.8km Deployed AR-HCFs

   Presenter: Dawei Ge, China Mobile Research Institute, China

    Presentation Details   Paper

   Severe impact to coherent transmission caused by CO2 absorption in 36.8km field-deployed AR-HCF is reported for the first time. 1 channel in C-band and 29 channels in L-band are over FEC threshold for 800G signals.Authors: Dawei Ge, China Mobile Research Institute / Yifan Xiong, Linfiber Technology (Nantong) Co., Ltd. / Mingqing Zuo, China Mobile Research Institute / Baoluo Yan, ZTE Corporation / Dong Wang, China Mobile Research Institute / Shoufei Gao, Linfiber Technology (Nantong) Co., Ltd. / Dechao Zhang, China Mobile Research Institute / Hu Shi, ZTE Corporation / yingying Wang, Jinan University / Wei Ding, ZTE Corporation / Han Li, China Mobile Research Institute / Zhangyuan Chen, Peking University / Xiaodong Duan, China Mobile Research Institute
4. 9:30 - 10:00
   M1F.4

   Ultra-Low Loss 0.1397dB/km Silica-Core Single-Mode Fiber

   Presenter: Shin Sato, Sumitomo Electric Industries Ltd, Japan

    Presentation Details   Paper

   Invited

   Ultra-low-loss silica-core single-mode fibers are advanced to the minimum loss of 0.1397 dB/km at 1566 nm wavelength due to reduced Rayleigh scattering enabled by lowering the fictive temperature and designing refractive index profileAuthors: Shin Sato, Sumitomo Electric Industries Ltd / Yuki Kawaguchi, Sumitomo Electric Industries Ltd / Hirotaka Sakuma, Sumitomo Electric Industries Ltd / Tetsuya Haruna, Sumitomo Electric Industries Ltd / Takemi Hasegawa, Sumitomo Electric Industries Ltd

Datacenter IM/DD I

1. 8:00 - 8:15
   M1G.1

   Optical Amplification-Free 400 Gbps Net Bitrate Links With a TFLN-Based Transmitter

   Presenter: Armands Ostrovskis, Riga Technical University, Latvia

    Presentation Details   Paper

   We show a record optical amplification-free 400 Gbps PAM4/6/8 net bitrate transmission in the O-band over 500-meter SMF with performance below 6.25% OH HD-FEC threshold using 1 Vpp driving voltage on the TFLN MZM.Authors: Armands Ostrovskis, Riga Technical University / Said El-Busaidy, Keysight Technologies Deutschland GmbH / Toms Salgals, Riga Technical University / Michael Koenigsmann, Keysight Technologies Deutschland GmbH / Kristaps Rubuls, Riga Technical University / Benjamin Krueger, Keysight Technologies Deutschland GmbH / Arvids Sedulis, Riga Technical University / Darja Cirjulina, Riga Technical University / Fabio Pittala, Keysight Technologies Deutschland GmbH / Lu Zhang, Zhejiang University / Xianbin Yu, Zhejiang University / Rafael Puerta, Ericsson / Sandis Spolitis, Riga Technical University / Richard Schatz, KTH Royal Institute of Technology / Katia Gallo, KTH Royal Institute of Technology / Hadrien Louchet, Keysight Technologies Deutschland GmbH / Robert Jahn, Keysight Technologies Deutschland GmbH / Kazuo Yamaguchi, Keysight Technologies Deutschland GmbH / Markus Gruen, Keysight Technologies Deutschland GmbH / Vjaceslavs Bobrovs, Riga Technical University / Marcel Zeiler, Keysight Technologies Deutschland GmbH / Xiaodan Pang, KTH Royal Institute of Technology / Oskars Ozolins, Riga Technical University
2. 8:15 - 8:30
   M1G.2

   Traveling-Wave Silicon Photonics Mach-Zehnder Modulator for Beyond 350 Gb/s Transmission in C-Band

   Presenter: Armands Ostrovskis, Riga Technical University, Latvia

    Presentation Details   Paper

   We demonstrate record transmission of 256 Gbaud OOK, 175 Gbaud PAM4 and 145 Gbaud PAM6 using a C-band differential-drive silicon photonics traveling-wave Mach-Zehnder modulator, achieving BER performance below the 6.25 % HD-FEC threshold after 100 m SMF transmission.Authors: Armands Ostrovskis, Riga Technical University / Darja Cirjulina, Riga Technical University / Toms Salgals, Riga Technical University / Minkyu Kim, interuniversity microelectronics centre / Michael Koenigsmann, Keysight Technologies Deutschland GmbH / Benjamin Krueger, Keysight Technologies Deutschland GmbH / Fabio Pittala, Keysight Technologies Deutschland GmbH / Lu Zhang, Zhejiang University / Xianbin Yu, Zhejiang University / Richard Schatz, Kungliga Tekniska hogskolan / Markus Gruen, Keysight Technologies Deutschland GmbH / Hadrien Louchet, Keysight Technologies Deutschland GmbH / Robert Jahn, Keysight Technologies Deutschland GmbH / Kazuo Yamaguchi, Keysight Technologies Deutschland GmbH / Vjaceslavs Bobrovs, Riga Technical University / Peter De Heyn, interuniversity microelectronics centre / Xiaodan Pang, Kungliga Tekniska hogskolan / Oskars Ozolins, Riga Technical University
3. 8:30 - 9:00
   M1G.3

   Integrated Receivers Based on Thin-Film Lithium Niobate for Data Center Applications

   Presenter: Changjian Guo, South China Normal University, China

    Presentation Details   Paper

   Invited

   We review several key components on TFLN platform for high-speed optical interconnects, include EO modulators, wavelength (de)multiplexers and self-coherent receivers with polarization controllers, and demonstrate a self-coherent system with 400-krad/s polarization tracking.Authors: Ao Cui, South China Normal University / Kaixuan Chen, South China Normal University / Liu Liu, Zhejiang University / Changjian Guo, South China Normal University
4. 9:00 - 9:15
   M1G.4

   200-Gbaud PAM4 O-Band Transmission Using Advanced MLSE With Simple-Soft-Output Scheme and Turbo Product Codes

   Presenter: Shuto Yamamoto, NTT Corporation, Japan

    Presentation Details   Paper

   We demonstrate 200-Gbaud PAM4 transmission with 10-dB bandwidth of 68 GHz in which an advanced MLSE with simple-soft-output scheme improves NGMI. We show that the simple-soft-output scheme is applicable to turbo product codes.Authors: Shuto Yamamoto, NTT Corporation / Hiroki Taniguchi, NTT Corporation / Masanori Nakamura, NTT Corporation / Etsushi Yamazaki, NTT Corporation
5. 9:15 - 9:30
   M1G.5

   340-Gb/s PAM-4 Transmissions With 128-GSa/s DAC Enabled by Joint PRE and MRS-MLSE Decoder for AI Computing Clusters

   Presenter: Jiahao Zhou, Univ of Electronic Science & Tech. China, China

    Presentation Details   Paper

   We experimentally demonstrate a 340-Gb/s PAM-4 signal transmissions with a 128-GSa/s DAC enabled by transmitter-side sub-sampling. The 3rd-order partial response equalization and 71%-complexity reduced MLSE according to the mapping rule are used for signal recovery.Authors: Jiahao Zhou, Univ of Electronic Science & Tech. China / JING ZHANG, Univ of Electronic Science & Tech. China / Shaohua Hu, Univ of Electronic Science & Tech. China / Zhaopeng Xu, Peng Cheng Laboratory / Bo Xu, Univ of Electronic Science & Tech. China / Kun Qiu, Univ of Electronic Science & Tech. China
6. 9:30 - 10:00
   M1G.6

   The Road Towards 400G/Lane IMDD Optics

   Presenter: Dirk Lutz, Eoptolink Technology Inc., Ltd., Sweden

    Presentation Details

   Invited

   Abstract not availableAuthors: Dirk Lutz, Eoptolink Technology Inc., Ltd.

Space-Division Multiplexing and Hollow-Core Fiber Transmission

1. 8:00 - 8:15
   M1H.1

   Full C-Band 3317-km 12-Coupled-Core-Fiber Transmission With 266.2-Tbps Capacity Using Field-Installed Fiber-Optic Cable

   Presenter: Kohki Shibahara, NTT Network Innovation Laboratories, NTT Corporation, Japan

    Presentation Details   Paper

   Top Scored

   We demonstrate 266.2-Tbps 3317-km full-C-band transmission using field-installed standard-cladding 12-coupled-core fiber cable. MDL impact is effectively suppressed to 0.2 dB per span by using per-core gain control of hybrid MC-EDFA and spatially diverse FEC coding.Authors: Kohki Shibahara, NTT Network Innovation Laboratories, NTT Corporation / Akira Kawai, NTT Network Innovation Laboratories, NTT Corporation / Megumi Hoshi, NTT Network Innovation Laboratories, NTT Corporation / Masanori Nakamura, NTT Network Innovation Laboratories, NTT Corporation / Takayuki Kobayashi, NTT Network Innovation Laboratories, NTT Corporation / Ryota Imada, NTT Access Service Systems Laboratories, NTT Corporation / Takayoshi Mori, NTT Access Service Systems Laboratories, NTT Corporation / Taiji Sakamoto, NTT Access Service Systems Laboratories, NTT Corporation / Yusuke Yamada, NTT Access Service Systems Laboratories, NTT Corporation / Kazuhide Nakajima, NTT Access Service Systems Laboratories, NTT Corporation / Munehiko Nagatani, NTT Device Technology Laboratories, NTT Corporation / Hitoshi Wakita, NTT Device Technology Laboratories, NTT Corporation / Yuta Shiratori, NTT Device Technology Laboratories, NTT Corporation / Hiroshi Yamazaki, NTT Device Technology Laboratories, NTT Corporation / Hiroyuki Takahashi, NTT Device Technology Laboratories, NTT Corporation / Soichi Endo, Optical Communications Laboratory, Sumitomo Electric Industries, Ltd. / Takemi Hasegawa, Optical Communications Laboratory, Sumitomo Electric Industries, Ltd. / Koichi Maeda, Furukawa Electric Co., Ltd. / Shigehiro Takasaka, Furukawa Electric Co., Ltd. / Ryo Nagase, Faculty of Engineering, Chiba Institute of Technology / Yutaka Miyamoto, NTT Network Innovation Laboratories, NTT Corporation
2. 8:15 - 8:30
   M1H.2

   Real-Time 25.2 Tb/s/Core Unrepeatered Transmission Over 256 km of 2-Uncoupled Core MCF Fiber

   Presenter: Hans Bissessur, Alcatel Submarine Networks, France

    Presentation Details   Paper

   We show 2 x 25.2 Tb/s transmission over the C-band in 2 core MCF with full scale amplification and real-time transponders. We evidence and discuss crosstalk effects in unidirectional and bidirectional transmissionAuthors: Hans Bissessur, Alcatel Submarine Networks / Alexis Busson, Alcatel Submarine Networks / Farana Hedaraly, Alcatel Submarine Networks / Daryna Kravchenko, Alcatel Submarine Networks
3. 8:30 - 8:45
   M1H.3

   On the Impact of Four-Wave Mixing in Coupled-Core Multicore Fiber Transmissions

   Presenter: Chiara Lasagni, Universita degli Studi di Parma, Italy

    Presentation Details   Paper

   We show through simulations that spatial mode dispersion makes four-wave mixing non-negligible compared to self- and cross-phase modulation in coupled-core multi-core fiber full C-band transmissions, potentially compromising the accuracy of simple disaggregated models.Authors: Chiara Lasagni, Universita degli Studi di Parma / Paolo Serena, Universita degli Studi di Parma / Alberto Bononi, Universita degli Studi di Parma / Antonio Mecozzi, University of L'Aquila / Cristian Antonelli, University of L'Aquila
4. 8:45 - 9:00
   M1H.4

   Analytical Model for the Information Rate of Coupled SDM Systems With MMSE Equalizers

   Presenter: Lucas Zischler, Unicamp, Brazil

    Presentation Details   Paper

   We propose an analytical model for the information rates of MDG-impaired strongly-coupled SDM systems employing MMSE equalizers. The results are validated through simulations of long-distance links and experiments carried out in a 73-km 3-mode setup.Authors: Lucas Zischler, Unicamp / Ruby Ospina, Nokia Bell Labs / Menno van den Hout, Eindhoven University of Technology / Chigo Okonkwo, Eindhoven University of Technology / Darli Mello, Unicamp
5. 9:00 - 9:15
   M1H.5

   Nonlinearity-Free DP-144QAM-PCS Beyond-1Tbps Transmission Over 100km AR-HCF for OTN-Based Decentralized Intelligent Training

   Presenter: Jiang Sun, China Mobile Research Institute, China

    Presentation Details   Paper

   Single-channel DP-144QAM-PCS 1.09Tbps transmission over 100km AR-HCF with 0.164 dB/km at 1550nm for decentralized intelligent training was experimentally verified for the first time. Nonlinearity-free input power is improved from 7dBm for G.652 to above 15dBm.Authors: Jiang Sun, China Mobile Research Institute / dong wang, China Mobile Research Institute / Mingqing Zuo, China Mobile Research Institute / Baoluo Yan, ZTE Corporation / Dawei Ge, China Mobile Research Institute / Lei Zhang, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Huan Chen, ZTE Corporation / Peng Li, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Qiang Qiu, ZTE Corporation / Jie Luo, Yangtze Optical Fibre and Cable Joint Stock Limited Company / Hu Shi, ZTE Corporation / Dechao Zhang, China Mobile Research Institute / Han Li, China Mobile Research Institute / Xiaodong Duan, China Mobile Research Institute
6. 9:15 - 9:30
   M1H.6

   Demonstration of Single-Span 100km Hollow Core Fiber Bidirectional Transmission With 1Tb/s/λ Real-Time Signals

   Presenter: Lipeng Feng, China Telecom Research Institute, China

    Presentation Details   Paper

   We demonstrate a bidirectional transmission using real-time 1Tb/s/λ transponders over single-span 100km HCF with attenuation coefficients ≤0.2dB/km at the C band. The system performance penalties caused by absorption loss and bidirectional transmission are analyzed.Authors: Lipeng Feng, China Telecom Research Institute / Anxu Zhang, China Telecom Research Institute / Jie Luo, State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze OpticaFibre and Cable Joint Stock Limited Company(YOFC) / Lei Zhang, State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze OpticaFibre and Cable Joint Stock Limited Company(YOFC) / Peng Li, State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze OpticaFibre and Cable Joint Stock Limited Company(YOFC) / Jun Chu, State Key Laboratory of Optical Fiber and Cable Manufacture Technology, Yangtze OpticaFibre and Cable Joint Stock Limited Company(YOFC) / Yuyang Liu, China Telecom Research Institute / Xiaoli Huo, China Telecom Research Institute / Junjie Li, China Telecom Research Institute / Chengliang Zhang, China Telecom Research Institute
7. 9:30 - 9:45

   (Withdrawn) 433.32-Tb/s C+L-Band 7-Core 2-Mode Transmission Over 1170-km Weakly-Coupled FM-MCF With Only 2×2 MIMO

   Presenter: Yu Yang, Pengcheng Laboratory, China

    Presentation Details

   We demonstrate a broadband long-haul weakly-coupled SDM-WDM transmission adopting non-degenerate modes of the FM-MCF. C+L-band 14×379×24.5-GBd PDM-QPSK transmission over 1170-km FM-MCF is achieved with total 433.32-Tb/s throughput and 506-Pb/s*km distance-capacity product only utilizing 2×2 MIMO-DSPAuthors: Yu Yang, Pengcheng Laboratory / Gang Qiao, Peking University / Honglin Ji, Pengcheng Laboratory / Zhaopeng Xu, Pengcheng Laboratory / Tonghui Ji, Pengcheng Laboratory / Shangcheng Wang, Pengcheng Laboratory / Lulu Liu, Pengcheng Laboratory / Baolong Zhu, Peking University / Chengbin Long, Peking University / Jiarui Zhang, Peking University / Mingqing Zuo, Peking University / Lei Shen, Yangtze Optical Fiber and Cable Joint Stock Limited Company / Jie Luo, Yangtze Optical Fiber and Cable Joint Stock Limited Company / Weisheng Hu, Pengcheng Laboratory / Juhao Li, Pengcheng Laboratory

Optical X-Haul and In-Door Architectures

1. 8:00 - 8:15
   M1I.1

   Cloned-Comb Enabled Communication & Clock Distribution Integrated Fronthaul Architecture

   Presenter: Jingjing Lin, Peking University, China

    Presentation Details   Paper

   We propose an integrated fronthaul architecture that simultaneously realizes 1-ps timing jitter clock distribution and DSP-simplified 2.88-Tb/s self-homodyne transmission by comb cloning, yielding simple, low-cost solution for multi-functional 6G-network, empowering both large-capacity communication and high-precision positioning.Authors: Jingjing Lin, Peking University / Chenbo Zhang, Peking University / Weihan Liang, Peking University / Yixiao Zhu, Shanghai Jiaotong University / Weisheng Hu, Shanghai Jiaotong University / Zhangyuan Chen, Peking University / Weiwei Hu, Peking University / Xiaopeng Xie, Peking University
2. 8:15 - 8:30
   M1I.2

   First Demonstration of OTFS in a D-Band Indoor Wireless Communication System Based on Photonics-Aided Scheme

   Presenter: mingxu wang, fudan university, China

    Presentation Details   Paper

   First experimental demonstration of OTFS is achieved in a photonics-aided D-band indoor wireless communication system, achieving better BER performance, >2 dB power sensitivity improvement and higher capacity over OFDM in both static and mobile channels.Authors: mingxu wang, fudan university / Jianjun Yu, fudan university / Xianming Zhao, Harbin Institute of Technology / xiongwei yang, fudan university / Chengzhen Bian, fudan university / Qiutong Zhang, fudan university / Wen Zhou, fudan university / Kaihui Wang, fudan university / Weiping Li, fudan university
3. 8:30 - 8:45
   M1I.3

   Optical X-Haul for Beyond 5G: Cost-Effective Deployment Strategies

   Presenter: Brianna Laird, Deakin University, Australia

    Presentation Details   Paper

   We introduce a scalable optimization framework for cost minimized network planning in beyond 5G. The results demonstrate how scalable optical x-haul networks can be designed across different deployment scenarios, optimizing cost and performance for B5G infrastructure.Authors: Brianna Laird, Deakin University / Chathurika Ranaweera, Deakin University / Julien Ugon, Deakin University
4. 8:45 - 9:00
   M1I.4

   Cross-Layer Resource Optimization for Energy Minimization in Reconfigurable Optical Crosshaul Architecture

   Presenter: Yijie Tao, University of Melbourne, Australia

    Presentation Details   Paper

   We formulated a cross-layer optimization framework for next-generation reconfigurable optical crosshaul architecture in Radio Access Networks (RAN) that jointly optimizes optical, packet, and RAN function-layer resources to minimize power consumption while meeting service demands.Authors: Yijie Tao, University of Melbourne / Chathurika Ranaweera, Deakin University / Sampath Edirisinghe, University of Sri Jayewardenepura / Christina Lim, University of Melbourne / Ampalavanapillai Nirmalathas, University of Melbourne / Lena Wosinska, Chalmers University of Technology / Tingting Song, University of Melbourne
5. 9:00 - 9:30
   M1I.5

   From Artificial Intelligence to Active Inference: "Natural Intelligence" - the Future of AI-Native 6G

   Presenter: Martin Maier, INRS-Energie Materiaux et Telecom, Canada

    Presentation Details   Paper

   Invited

   Today’s complex networks increasingly resemble biological superorganisms with brain-like cognitive capabilities. This paper elaborates on today’s AI and what it can become by using active inference to biomimic key elements found in living intelligent systems.Authors: Martin Maier, INRS-Energie Materiaux et Telecom
6. 9:30 - 10:00
   M1I.6

   Optical Home LAN Innovations to Meet Current and Future Needs

   Presenter: Philippe Chanclou, Orange Labs, France

    Presentation Details   Paper

   Invited

   Optical Home LAN, utilizing PON and PtP technologies, offers a "FTTH-like" experience with high throughput, low latency, and improved Wi-Fi coverage. It ensures seamless connectivity and enhances the overall user experience within the home network.Authors: Philippe Chanclou, Orange Labs / Fabienne Saliou, Orange Labs / Gael Simon, Orange Labs / Jeremy Potet, Orange Labs / Stephane Le Huerou, Orange Labs / Hugues Le Bras, Orange Labs

Intelligent and Autonomous Network Management

1. 8:00 - 8:15
   M1J.1

   ML-Assisted Traffic Grooming With Low Design Margins

   Presenter: Massimo Tornatore, Politecnico di Milano, Italy

    Presentation Details   Paper

   Low-margin design allows significant resource savings, but synergy with traffic grooming is unexplored. We propose a new low-margin-design procedure with traffic grooming and show up to 12% throughput increase from lower margins estimated via ML.Authors: Oleg Karandin, Politecnico di Milano / Francesco Musumeci, Politecnico di Milano / Yvan Pointurier, Huawei Technologies, Paris Research Center / Massimo Tornatore, Politecnico di Milano
2. 8:15 - 8:30
   M1J.2

   Demonstration of Flexible Congestion Control Mechanism for Distributed ML Traffic in Metro All-Optical Collaborative Switching Networks

   Presenter: Huitao Zhou, Beijing University of Posts and Teles, China

    Presentation Details   Paper

   We demonstrate a flexible congestion control mechanism for distributed ML traffic in an all-optical collaborative switching network through an FPGA-based testbed. Experimental results show that it accelerates flow completion time and provides low latency jitter.Authors: Huitao Zhou, Beijing University of Posts and Teles / Jiawei Zhang, Beijing University of Posts and Teles / Haoyang Chen, Beijing University of Posts and Teles / Yuanhang Shi, Beijing University of Posts and Teles / Ruikun Wang, Beijing University of Posts and Teles / Yuefeng Ji, Beijing University of Posts and Teles
3. 8:30 - 9:00
   M1J.3

   Scalable Machine Learning Models for Optical Transmission System Management

   Presenter: Tingjun Chen, Duke University, United States

    Presentation Details   Paper

   Invited

   Optical transmission systems require accurate modeling and performance estimation for autonomous adaption and reconfiguration. We present efficient and scalable machine learning (ML) methods for modeling optical networks at component- and network-level with minimized data collection.Authors: Zehao Wang, Duke University / Agastya Raj, Trinity College Dublin / Giacomo Borraccini, NEC Laboratories America, Inc. / Shaobo Han, NEC Laboratories America, Inc. / Yue-Kai Huang, NEC Laboratories America, Inc. / Ting Wang, NEC Laboratories America, Inc. / Marco Ruffini, Trinity College Dublin / Daniel Kilper, Trinity College Dublin / Tingjun Chen, Duke University
4. 9:00 - 9:15
   M1J.4

   Enhancing EDFAs Greybox Modeling in Optical Multiplex Sections Using Few-Shot Learning

   Presenter: Rocco DIngillo, Politecnico di Torino, Italy

    Presentation Details   Paper

   We combine few-shot learning and grey-box modeling for EDFAs in optical lines, training a single EDFA model on 500 spectral loads and transferring it to other EDFAs using 4-8 samples, maintaining low OSNR prediction error.Authors: Rocco DIngillo, Politecnico di Torino / Andrea D Amico, NEC Labs America / Renato Ambrosone, Politecnico di Torino / Hideki Nishizawa, NTT Network Innovation Labs / Toru Mano, NTT Network Innovation Labs / Tatsuya Matsumura, NTT Network Innovation Labs / Stefano Straullu, LINKS Foundation / Francesco Aquilino, LINKS Foundation / Vittorio Curri, Politecnico di Torino
5. 9:15 - 9:30
   M1J.5

   QoT Estimation With Margin-Driven Transfer Learning in Time-Varying Optical Networks

   Presenter: Piotr Lechowicz, Chalmers University of Technology, Sweden

    Presentation Details   Paper

   Estimating transmission quality in an optical network is critical for resource efficiency but challenging due to the infrastructure time-varying state.We propose a transfer learning solution to adapt a data-driven model to network changes.Authors: Piotr Lechowicz, Chalmers University of Technology / Carlos Natalino, Chalmers University of Technology / Paolo Monti, Chalmers University of Technology
6. 9:30 - 9:45
   M1J.6

   Transceiver Penalty and Amplifier Noise Figure Characterization for Accurate QoT Estimation in Hyperscale Disaggregated DCI Networks

   Presenter: Yan He, The Hong Kong Polytechnic University, Hong Kong

    Presentation Details   Paper

   We demonstrated that experimentally characterizing the input/frequency-dependent amplifier noise figure and input power dependent transceiver penalty can reduce the RMSE of QoT estimation from 0.662dB to 0.287dB in hyperscale disaggregated DCI production networks.Authors: Yan He, The Hong Kong Polytechnic University / Zhiqun Zhai, Alibaba Cloud / Sai Chen, Alibaba Cloud / Huan Zhang, Alibaba Cloud / Chuang Xu, The Hong Kong Polytechnic University / Liang Dou, Alibaba Cloud / Yuanchao Su, Alibaba Cloud / Chao Lu, The Hong Kong Polytechnic University / Alan Pak Tao Lau, The Hong Kong Polytechnic University
7. 9:45 - 10:00
   M1J.7

   Autonomous Closed-Loop Operations to Ensure QoT Connections in SDN-Controlled Elastic Optical Networks

   Presenter: Ricardo Martínez, Centre Tecnològic Telecom de Catalunya, Spain

    Presentation Details   Paper

   This work presents an autonomous SDN controller for EONs, detailing closed-loop QoT management with telemetry, a QoT tool, and a Path Computation Server. Two recovery strategies for QoT-degraded services are proposed and numerically compared.Authors: Ricardo Martínez, Centre Tecnològic Telecom de Catalunya / Josep Maria Fàbrega, Centre Tecnològic Telecom de Catalunya / Ramon Casellas, Centre Tecnològic Telecom de Catalunya / Ricard Vilalta, Centre Tecnològic Telecom de Catalunya / Raul Muñoz, Centre Tecnològic Telecom de Catalunya / Henry Yu, Huawei Technologies Canada Co, Ltd. / Yanpeng Wang, Huawei Technologies Canada Co, Ltd. / Mahdi Hemmati, Huawei Technologies Canada Co, Ltd. / Christopher Janz, Huawei Technologies Canada Co, Ltd. / Hao Li, Huawei Technologies / Haoyu Feng, Huawei Technologies

Light-Source and Integration I

1. 8:00 - 8:15
   M1K.1

   Ultra-Wideband Precision Tunable Laser With Wavelength Locking Based on a High-Density Integrated DFB Laser Array

   Presenter: Yaqiang Fan, Nanjing University, China

    Presentation Details   Paper

   This paper presents an ultra-wideband DFB laser array with an 80 nm tuning range, employing a wavelength-locking and feedback control mechanism for rapid and precise wavelength control, suitable for future data centers and access networks.Authors: Yaqiang Fan, Nanjing University / Haolin Xia, Nanjing University / Zilong He, Nanjing University / Yuan Lv, Nanjing University / Pan Dai, Nanjing University / Wei Yuan, Nanjing University / Jingxuan Zhang, Nanjing University / Zhenxing Sun, Nanjing University / Xiangfei Chen, Nanjing University
2. 8:15 - 8:30
   M1K.2

   Power-Efficient Tuning (<150 mW) of Electro-Optically Tunable RTF Laser With Control Board for Digital Coherent Communications

   Presenter: Yuta Ueda, NTT Device Innovation Center, Japan

    Presentation Details   Paper

   We developed an electro-optically tunable RTF laser with a control board composed of commercially available ICs. A tuning power of <150 mW at 75°C and practical light-source performance for a 400G-coherent system was demonstrated.Authors: Yuta Ueda, NTT Device Innovation Center / Yusuke Saito, NTT Device Innovation Center / Takahiko Shindo, NTT Device Innovation Center / Shigeru Kanazawa, NTT Device Innovation Center / Makoto Shimokozono, NTT Device Innovation Center / Fumito Nakajima, NTT Device Innovation Center
3. 8:30 - 9:30
   M1K.3

   Laser Source for Silicon Photonics System

   Presenter: Di Liang, University of Michigan, United States

    Presentation Details

   Tutorial

   This tutorial covers advancements in laser sources for silicon photonics, including hybrid, heterogeneous, and monolithic integration of diode lasers and frequency combs, addressing progresses and challenges in efficiency, scalability, and stability for interconnects and emerging applications.Authors: Di Liang, University of Michigan
4. 9:30 - 9:45
   M1K.4

   High-Temperature Silicon-Based InAs QD Laser for Optical Interconnects

   Presenter: jiajian chen, Songshan Lake Materials Laboratory, China

    Presentation Details   Paper

   This paper presents a silicon-based InAs quantum dot laser for optical transmitter, operating up to 80 C, supports 4λ× 32 Gbps data transmission, making it ideal for high-efficiency, cost-effective optical interconnects.Authors: jiajian chen, Songshan Lake Materials Laboratory / wenqi wei, Songshan Lake Materials Laboratory / Shihuan Ran, State Key Laboratory of Advanced Optical Communication Systems and Networks / yuanhang wang, State Key Laboratory of Optical Communication Technologies and Networks / jiale qin, Institute of Physics, Chinese Academy of Sciences / Bo Yang, Institute of Physics, Chinese Academy of Sciences / Xiangru Cui, Institute of Physics, Chinese Academy of Sciences / Liangjun Lu, State Key Laboratory of Advanced Optical Communication Systems and Networks / Linjie Zhou, State Key Laboratory of Advanced Optical Communication Systems and Networks / Yu Li, State Key Laboratory of Advanced Optical Communication Systems and Networks / Zihao Wang, Institute of Physics, Chinese Academy of Sciences / Ting Wang, Institute of Physics, Chinese Academy of Sciences / Changyuan Yu, Hong Kong Polytechnic University / Jianjun Zhang, Institute of Physics, Chinese Academy of Sciences
5. 9:45 - 10:00
   M1K.5

   Flip-Chip Bonded 450-nm InGaN Laser Diodes in a Foundry Fabricated Visible-Light Silicon Photonics Platform

   Presenter: Xin Mu, Max Planck Institute of Microstructure Physics, Germany

    Presentation Details   Paper

   We report hybrid integration of blue InGaN laser diodes in a visible-light silicon photonics platform using passive-alignment flip-chip bonding. We demonstrate continuous-wave on-chip optical powers of 9.6 mW and integration with optical switches and photodetectors.Authors: Xin Mu, Max Planck Institute of Microstructure Physics / Frank Weiss, Max Planck Institute of Microstructure Physics / Hongyao Chua, Advanced Micro Foundry Pte. Ltd. / Robert Lawrowski, ams OSRAM International GmbH / Jared Mikkelsen, Max Planck Institute of Microstructure Physics / John Straguzzi, Max Planck Institute of Microstructure Physics / Hannes Wahn, Max Planck Institute of Microstructure Physics / Joyce Poon, University of Toronto / Guo-Qiang Lo, Advanced Micro Foundry Pte. Ltd. / Mariel Jama, ams OSRAM International GmbH / Wesley Sacher, Max Planck Institute of Microstructure Physics

Moscone Convention Center Level 3- Hands-On:Test and Measurement for Coherent Optical Transceivers

Moscone Convention Center Level 3- Digital Signal Processing for Coherent Optical Transceivers

Marriott Marquis- Optical Amplifiers: From Fundamental Principles to Technology Trends

Marriott Marquis- Emerging Optical Network Technologies Towards 2030

Marriott Marquis- Evolving Software Defined Optical Network: Architecture and Design Principles

Moscone Convention Center Level 3- FPGA Prototyping for Optical Subsystems

Marriott Marquis- Hands-On: Fiber Optic Handling, Measurements, and Component Testing

Marriott Marquis- Hands-On: Silicon Photonics Design - Circuits

Marriott Marquis- High-capacity Data Center Interconnects for Cloud-scale Networking

Marriott Marquis- Photonic Switching Systems

Marriott Marquis- Machine Learning in Optical Networks

Marriott Marquis- Hands-On: Laboratory Automation and Control using Python (Advanced)

Marriott Marquis- Data Center Short Links – Link Design, Modeling, Test and Measurements

Moscone Convention Center Level 3-Photonic and electronic packaging - materials, processes, equipment and reliability

Moscone Convention Center Level 3- Satellite Communications

Marriott Marquis- Technologies and Applications for Passive Optical Networks (PONs)

Marriott Marquis- Transmission Fiber and Cables

The Year of Quantum: Applications, Architectures and Enabling Technologies for Quantum Communication and Computing II

1. 10:30 - 11:00
   M2A.1

   Quantum Technologies With Semiconductor Color Centers in Integrated Photonics

   Presenter: Jelena Vuckovic, Stanford University, United States

    Presentation Details

   Invited

   Optically interfaced spin qubits based on diamond and silicon carbide color centers are considered promising candidates for scalable quantum networks and sensors. However, they can also be used to build chip-scale quantum many body systems with tunable all to all interactions between qubits enabled by photonics - useful for quantum simulation and possibly computing.Authors: Jelena Vuckovic, Stanford University
2. 11:00 - 11:30
   M2A.2

   Practical Fiber Quantum Key Distribution

   Presenter: Zhiliang Yuan, Beijing Academy of Quantum Info Sciences, China

    Presentation Details

   Invited

   Abstract not available.Authors: Zhiliang Yuan, Beijing Academy of Quantum Info Sciences
3. 11:30 - 12:00
   M2A.3

   High-Dimensional Entanglement in Quantum Frequency Combs

   Presenter: Chee Wei Wong, University of California Los Angeles, United States

    Presentation Details   Paper

   Invited

   We describe high-dimensional entanglement in biphoton frequency combs, providing multi-qubits-per-photon and dramatically-large Hilbert spaces for quantum communications, sensing and computation. Measurement-efficient certification via arbitrary bases, steering, non-locality, and multi-party high-dimensional network testbeds will be described.Authors: Chee Wei Wong, University of California Los Angeles

Sensing Applications II

1. 10:30 - 10:45
   M2C.1

   DiffOptics: a Conditional Diffusion Model for Fiber Optics Sensing Data Imputation

   Presenter: Zhuocheng Jiang, NEC Laboratories America, Inc, United States

    Presentation Details   Paper

   We present a generative AI framework based on a conditional diffusion model for distributed acoustic sensing (DAS) data imputation. The proposed DiffOptics model generates high-quality DAS data of various acoustic events using telecom fiber cables.Authors: Zhuocheng Jiang, NEC Laboratories America, Inc / Yue Tian, NEC Laboratories America, Inc / Yangmin Ding, NEC Laboratories America, Inc / Sarper Ozharar, NEC Laboratories America, Inc / Ting Wang, NEC Laboratories America, Inc
2. 10:45 - 11:00
   M2C.2

   Dual-Mentor Guided Incremental Learning for Robust Anomaly Detection in Optical Networks

   Presenter: Khouloud Abdelli, Nokia, Italy

    Presentation Details   Paper

   We present a dual-mentor approach for anomaly detection, achieving up to 94x reduction in training time and significant performance improvements (up to 79%) over baselines, effectively addressing catastrophic forgetting with minimal data and optimized computation.Authors: Khouloud Abdelli, Nokia / Matteo Lonardi, Nokia / Fabien Boitier, Nokia Bell Labs / Diego Correa, Nokia / Jurgen Gripp, Nokia / samuel Olsson, Nokia / Patricia Layec, Nokia Bell Labs
3. 11:00 - 11:15
   M2C.3

   Simple and Fast Optical Fiber Flap Localization Based on Two-Edge Channel Power in Wideband System

   Presenter: Shengnan Li, BUPT, China

    Presentation Details   Paper

   We propose a fast method to localize optical fiber flap using the monitored power of two edge channels, achieving average location and attenuation errors below 0.64 km and 0.1 dB in a C96+L96 experimental system.Authors: Shengnan Li, BUPT / yuchen song, BUPT / Zihao Cui, BUPT / Jin Li, BUPT / Min Zhang, BUPT / Danshi Wang, BUPT
4. 11:15 - 11:30
   M2C.4

   Boosting Mechanical Event Classification With Limited Field Data via Conditional GANs and Knowledge Distillation

   Presenter: Khouloud Abdelli, Nokia Bell Lab, Germany

    Presentation Details   Paper

   We propose a two-step approach combining conditional generative adversarial networks and knowledge distillation addressing field-data scarcity. Validated on field data, we outperform baselines, boosting accuracy from 83% to 99% with an error rate of 0.6%.Authors: Khouloud Abdelli, Nokia Bell Lab / Christian Dorize, Nokia Bell Lab / Sterenn Guerrier, Nokia Bell Lab / Haik MARDOYAN, Nokia Bell Lab / Patricia Layec, Nokia Bell Lab / Jeremie Renaudier, Nokia Bell Lab
5. 11:30 - 12:00
   M2C.5

   Advanced Optical Link Tomography for Optical Network Monitoring

   Presenter: Alix May, Nokia Bell Labs France, France

    Presentation Details   Paper

   Invited

   We review methods for optical link tomography, particularly receiver-based power profile estimation. We highlight key works including a demonstration over 10,000 km and an accuracy comparison between linear least squares method and deconvoluted correlation-based method.Authors: Alix May, Nokia Bell Labs France / Fabien Boitier, Nokia Bell Labs France / Patricia Layec, Nokia Bell Labs France
6. 12:00 - 12:15
   M2C.6

   Raman Amplifier-Induced OTDR Trace Distortion Correction Using Higher-Order ReLU Kolmogorov-Arnold Network (HRKAN)

   Presenter: Qingyi Guo, Huawei Technologies Canada, Canada

    Presentation Details   Paper

   A method to correct Raman amplifier-induced OTDR trace distortions utilizing the Higher-Order ReLU Kolmogorov-Arnold Network (HRKAN) is presented. A reduction of mean squared error (MSE) by at least two orders of magnitude is achieved experimentally.Authors: Md Ghulam Saber, Huawei Technologies Canada / Qingyi Guo, Huawei Technologies Canada / Zhiping Jiang, Huawei Technologies Canada
7. 12:15 - 12:30
   M2C.7

   Optical Fiber Anomaly Detection Using Channel Power Tilt Through Forward and Inverse Calculation of ISRS

   Presenter: Zihao Cui, Beijing University of Posts and Telecommunications, China

    Presentation Details   Paper

   The proposed low-complexity fiber anomaly detection method, utilizes power tilt comparison from forward and backward ISRS calculation, demonstrating maximum positioning error of 0.7% and strength estimation error of 4.2% in an 80km C+L-band experiment link.Authors: Zihao Cui, Beijing University of Posts and Telecommunications / yuchen song, Beijing University of Posts and Telecommunications / Xiao Luo, Beijing University of Posts and Telecommunications / Shengnan Li, Beijing University of Posts and Telecommunications / Jiele Li, Beijing University of Posts and Telecommunications / Min Zhang, Beijing University of Posts and Telecommunications / Danshi Wang, Beijing University of Posts and Telecommunications

Applications of Passive Photonics

1. 10:30 - 10:45
   M2D.1

   Reconfigurable Multi-Port Multi-Wavelength Coherent Receiver

   Presenter: Haoshuo Chen, Nokia Bell Labs, United States

    Presentation Details   Paper

   Top Scored

   We demonstrate a coherent receiver detecting multiple spatial and wavelength channels simultaneously.It combines a surface-normal optical hybrid array and a wavelength-selective element, and is experimentally validated for space-wavelength-division multiplexing reception in two-core fiber systems.Authors: Haoshuo Chen, Nokia Bell Labs / Nicolas Fontaine, Nokia Bell Labs / Roland Ryf, Nokia Bell Labs / Giammarco Di Sciullo, University of L'Aquila / Lauren Dallachiesa, Nokia Bell Labs / Kwangwoong Kim, Nokia Bell Labs / Tran C., Nokia Bell Labs / Mikael Mazur, Nokia Bell Labs / Xiaonan Xu, Nokia Bell Labs / Jesse Simsarian, Nokia Bell Labs / René-Jean Essiambre, Nokia Bell Labs / Kawashima T., Photonic Lattice, Inc. / Oonuma T., Photonic Lattice, Inc. / Kawakami S., Photonic Lattice, Inc. / Takemi Hasegawa, Sumitomo Electric Industries, Ltd. / Tetsuya Hayashi, Sumitomo Electric Industries, Ltd. / Cristian Antonelli, University of L'Aquila / David Neilson, Nokia Bell Labs
2. 10:45 - 11:00
   M2D.2

   Arrayed High Performance Optical Circulators

   Presenter: Chun He, Focuslight Technologies Inc., United States

    Presentation Details   Paper

   An 8-channel optical circulator array has been fabricated using a high precision microlens array. The array achieves ISO >50dB, IL 0.41dB, and PDL 0.002dB across all channels. Such an arranged optical circulator has never been reported.Authors: Chun He, Focuslight Technologies Inc.
3. 11:00 - 11:30
   M2D.3

   Integrated Photonics for Space Applications

   Presenter: Milos Nedeljkovic, Univ. of Southampton, United Kingdom

    Presentation Details

   Invited

   This talk explores opportunities for applying integrated photonics to the rapidly expanding space optics sector, and presents our recent progress on silicon photonic beam steering for satellite-based free-space optical communications.Authors: Milos Nedeljkovic, Univ. of Southampton / Bharat Pant, Univ. of Southampton / Zhen Liu, Univ. of Southampton / Aiman Hazim Shafizam, Univ. of Southampton / Zixuan Wang, Univ. of Southampton / Jinhao Liang, Univ. of Southampton / James Le Besque, Univ. of Southampton / Eleni Tsanidou, Univ. of Southampton / Xingzhao Yan, Univ. of Southampton / Martin Ebert, Univ. of Southampton / Callum Littlejohns, Univ. of Southampton / Jize Yan, Univ. of Southampton / David Thomson, Univ. of Southampton
4. 11:30 - 11:45
   M2D.4

   Integrated Reconstructive Spectrometer With Dispersion-Engineered Components

   Presenter: Tongyun Li, Cambridge University, United Kingdom

    Presentation Details   Paper

   We describe a design of chip-scale near-infrared reconstructive spectrometer that operates towards >1000nm wavelength range, with dispersion-engineered ring-resonators. A 500nm-bandwidth on-chip spectrometer is demonstrated with 10pm resolution, setting up a new record in bandwidth-to-resolution ratio.Authors: Wanlu Zhang, Cambridge University / Chunhui Yao, Cambridge University / Peng Bao, Cambridge University / Kangning Xu, GlitterinTech Limited / Ting Yan, GlitterinTech Limited / Liang Ming, GlitterinTech Limited / Richard Penty, Cambridge University / Qixiang Cheng, Cambridge University / Tongyun Li, Cambridge University
5. 11:45 - 12:15
   M2D.5

   Absorption/Scattering Limits of SiN Visible Photonics

   Presenter: Michal Lipson, Columbia University, United States

    Presentation Details

   Invited

   Abstract not availableAuthors: Michal Lipson, Columbia University
6. 12:15 - 12:30
   M2D.6

   Measuring Broadly Spanning Lasers at Nanosecond Speed With a Silicon Photonic Wavemeter

   Presenter: Brian Stern, Nokia Bell Labs, United States

    Presentation Details   Paper

   We demonstrate nanosecond-scale measurements of laser wavelength using an integrated silicon wavemeter covering a 95 nm range with high accuracy. We measure the wavelengths of multiple alternating, bursting lasers within 10 ns.Authors: Brian Stern, Nokia Bell Labs / Kovendhan Vijayan, Nokia Bell Labs / Robert Borkowski, Nokia Bell Labs / Bob Farah, Nokia Bell Labs / Ed Sutter, Nokia Bell Labs / Kwangwoong Kim, Nokia Bell Labs

Digital Signal Processing, Machine Learning and Electrically-Enhanced Phase Noise

1. 10:30 - 11:00
   M2E.1

   Application of Artificial Intelligence in Nonlinear Performance Analysis of Optical Links

   Presenter: Amirhossein Ghazisaeidi, Nokia Bell Labs France, France

    Presentation Details

   Invited

   We report on our novel QoT estimation tool leveraging neural networks to speed-up nonlinear accurate variance computations by several orders of magnitude.Authors: Amirhossein Ghazisaeidi, Nokia Bell Labs France / Xiaoyan Ye, University of Cambridge / Leonardo Sorensen Braga, Nokia Bell Labs France
2. 11:00 - 11:15
   M2E.2

   Nonlinearity Estimation Leveraging PSD-Based Monitoring and Machine Learning

   Presenter: Joana Girard-Jollet, Nokia Bell Labs, France

    Presentation Details   Paper

   We propose a regression model to estimate Kerr nonlinearity proportion in fiber optic transmissions. Trained on simulations and validated experimentally, the model achieves a 4% RMSE across varying power profiles, CPE parameters, and transmission reaches.Authors: Joana Girard-Jollet, Nokia Bell Labs / Lina SHI, Nokia Bell Labs / Fabien Boitier, Nokia Bell Labs / Patricia Layec, Nokia Bell Labs
3. 11:15 - 11:30
   M2E.3

   Active Learning With Gaussian Process Regression and Physical Models for Robust SNR Estimation

   Presenter: xiaoyan YE, University of Cambridge, United Kingdom

    Presentation Details   Paper

   We demonstrate improved performance using active learning for both GPR and hybrid models to predict SNR using experimental data from a 15-channel WDM system over 1000km. Physical model interpreted GPR agrees with interpreting measured data.Authors: xiaoyan YE, University of Cambridge / Mariane Mansour, University of Cambridge / Md Saifuddin Faruk, Bangor University / Charles Laperle, Ciena Corporation / Michael Reimer, Ciena Corporation / Maurice O'Sullivan, Ciena Corporation / Seb J. Savory, University of Cambridge
4. 11:30 - 11:45
   M2E.4

   A Kolmogorov-Arnold Networks-Based low-Complexity Equalizer for High-Speed IMDD System

   Presenter: Xi Chen, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   A low-complexity equalizer based on Kolmogorov-Arnold Networks is designed for high-speed PAM-4 IMDD system. Results show that, our equalizer reduces the computational complexity by 64.6% compared to the common DNN equalizer without performance degradation.Authors: Xiangmin Fang, Hangzhou Dianzi University / Meihua Bi, Hangzhou Dianzi University / Lu Zhang, Zhejiang University / Min Zhu, Southeast University / Xi Chen, Shanghai Jiao Tong University / Miao Hu, Hangzhou Dianzi University
5. 11:45 - 12:00
   M2E.5

   On Second-Stage Timing Recovery for Equalization-Enhanced Phase Noise Mitigation

   Presenter: Sebastian Jung, University of Stuttgart, Germany

    Presentation Details   Paper

   An optimized version of Mueller-Muller (MM) timing recovery algorithm for equalization-enhanced phase noise mitigation is introduced and compared to standard MM showing gains of 0.15 dB. Addtionally, a comparable adaptive post-equalizer is adjusted outperforming both MM designs by up to 0.4 dB.Authors: Sebastian Jung, University of Stuttgart / Tim Janz, University of Stuttgart / Stephan ten Brink, University of Stuttgart
6. 12:00 - 12:15
   M2E.6

   A Novel Phenomenological Model of Equalization-Enhanced Phase Noise

   Presenter: Benedikt Geiger, Karlsruhe Institute of Technology, Germany

    Presentation Details   Paper

   We show that equalization-enhanced phase noise manifests as a time-varying, frequency-dependent phase error, which can be modeled and reversed by a time-varying all-pass finite impulse response filter.Authors: Benedikt Geiger, Karlsruhe Institute of Technology / Fred Buchali, Nokia / Vahid Aref, Nokia / Laurent Schmalen, Karlsruhe Institute of Technology
7. 12:15 - 12:30
   M2E.7

   Low-Cost and Power-Efficient EEPN Mitigation Enabled by Accurate Jitter Waveform Estimation

   Presenter: Jingnan Li, Fujitsu Research & Development Center Co., Ltd., China

    Presentation Details   Paper

   Jitter waveform induced by equalization-enhanced phase noise is accurately estimated from the low-cost and power-efficient measurement of LO laser instant frequency. With the jitter mitigation using existing DSP functions, the tolerable chromatic dispersion improves 70%.Authors: Jingnan Li, Fujitsu Research & Development Center Co., Ltd. / Xiaofei Su, Fujitsu Research & Development Center Co., Ltd. / Tong Ye, Fujitsu Research & Development Center Co., Ltd. / Ke Zhang, Fujitsu Research & Development Center Co., Ltd. / Hisao Nakashima, Fujitsu Ltd. / Takeshi Hoshida, Fujitsu Ltd. / Zhenning Tao, Fujitsu Research & Development Center Co., Ltd.

Hollow-Core Fiber Characterizations and Applications

1. 10:30 - 10:45
   M2F.1

   Preliminary Experimental Analysis of Birefringence in a 5-Tube NANF

   Presenter: Silvia Zampato, University of Padova, Italy

    Presentation Details   Paper

   Preliminary experimental measurements of birefringence in a 5-tube NANF using polarization-sensitive reflectometry are reported. Results show an average beat length of approximately 6 m, consistent with numerical simulations. The effects of fiber bending are discussed.Authors: Silvia Zampato, University of Padova / Austin Taranta, University of Southampton / Gianluca Guerra, University of Southampton / Seyed Mohammad Abokhamis Mousavi, University of Southampton / Thomas W. Kelly, University of Southampton / Hesham Sakr, University of Southampton / Konstantin Vidiajev, University of Southampton / Andrea Galtarossa, University of Padova / Marco Santagiustina, University of Padova / Francesco Poletti, University of Southampton / Luca Palmieri, University of Padova
2. 10:45 - 11:00
   M2F.2

   Simultaneous C/L-Band Power and Data Delivery Over 3.1km of NANF

   Presenter: Douglas McCulloch, Optoelectronics Research Centre, United Kingdom

    Presentation Details   Paper

   We show that hollow-core fibre outperforms single-mode fibre at three-channel 28 GBd DP-16QAM transmission when copropagating with up to 37.5 dBm feed. There is no sign of power-dependent signal degradation in the hollow-core fibre.Authors: Douglas McCulloch, Optoelectronics Research Centre / Kyle Bottrill, Optoelectronics Research Centre / Suttikarn Wantee, Optoelectronics Research Centre / Nura Adamu, Optoelectronics Research Centre / Gregory Jasion, Optoelectronics Research Centre / Hesham Sakr, Optoelectronics Research Centre / John Hayes, Optoelectronics Research Centre / Francesco Poletti, Optoelectronics Research Centre / Periklis Petropoulos, Optoelectronics Research Centre
3. 11:00 - 11:15
   M2F.3

   Fluorescence Lifetime Measurements of a Trapped Microparticle in a Hollow-Core Fiber for Remote Temperature Sensing With High Spatial Resolution

   Presenter: Jasper Freitag, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Germany

    Presentation Details   Paper

   Fluorescence lifetime measurements of trapped microparticles in hollow-core fibers can probe temperature with high sensitivity. We use coherent optical frequency domain reflectometry to demonstrate remote flying particle temperature measurements with sub-mm spatial resolution.Authors: Jasper Freitag, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) / Max Koeppel, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) / Mohammad Sahil, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) / Nicolas Joly, Max Planck Institute for the Science of Light / Bernhard Schmauss, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
4. 11:15 - 11:30
   M2F.4

   Hollow-Core Fiber Side-View Imaging for Non-Destructive Clocking Angle Measurement and Structural Analysis

   Presenter: JIE LIU, Corning Inc., United States

    Presentation Details   Paper

   We report side-view images of a HCF compared with the simulated transmission interference patterns to clarify clocking angle and feasibility of side-view imaging for HCF non-destructive structural analysis. © 2024 The Author(s)Authors: JIE LIU, Corning Inc.
5. 11:30 - 12:00
   M2F.5

   Hollow-Core Fibers: Design and Applications

   Presenter: Rodrigo Amezcua Correa, Univ. of Central Florida, CREOL, United States

    Presentation Details

   Invited

   Abstract not availableAuthors: Rodrigo Amezcua Correa, Univ. of Central Florida, CREOL

Datacenter IM/DD II

1. 10:30 - 10:45
   M2G.1

   Multi-Rate PAM4 Silicon Photonic Based Receiver Assembly With -10dBm IFEC Sensitivity at 226Gb/s/λ and 125mW/Ch CMOS TIA

   Presenter: Mahdi Parvizi, Cisco Systems, Canada

    Presentation Details   Paper

   We demonstrate a multi-rate PAM4 Silicon-photonic based receiver assembly that supports 226Gb/s/λ, with -10dBm iFEC OMA sensitivity, and 212Gb/s/λ and 106Gb/s/λ with -8.5dBm and -11.5dBm OMA KP4-FEC sensitivity, respectively. The CMOS TIA achieves 0.55pJ/b power efficiency.Authors: Mahdi Parvizi, Cisco Systems / Hao Song, Cisco Systems / Bahar Jalali, Cisco Systems / Masoud Madiseh, Cisco Systems / John Rogers, Cisco Systems / Tie Sun, Cisco Systems / Toshi Omori, Cisco Systems / Brandon Davis, Cisco Systems / Bernd Huebner, Cisco Systems / Mark Heimbuch, Cisco Systems / Michael Soskind, Cisco Systems / Md Jubayer Shawon, Cisco Systems / Ren Jye Shiue, Cisco Systems / Jonathan Roth, Cisco Systems / Qianfan Xu, Cisco Systems / Li Chen, Cisco Systems / John Heanue, Cisco Systems / Richard Zhou, Cisco Systems / Long Chen, Cisco Systems / Alex Turukhin, Cisco Systems / Ricardo Aroca, Cisco Systems
2. 10:45 - 11:00
   M2G.2

   42-Gbps/ch x 4 ch Simultaneous Error-Free Operation With Low-Power Transmitter Flip-Chip-Bonded 1.3-μm LD-Array-on-Si

   Presenter: Toshiki Kishi, NTT Device Technology Labs., Japan

    Presentation Details   Paper

   42-Gbps/ch NRZ PRBS-31 x 4 ch simultaneous error-free BtoB operation was achieved with a 4-ch transmitter used LD drivers with EO-bandwidth-improvement functions, yielding an LD bandwidth increase of 60% and power efficiency of 2.06 mW/Gbps.Authors: Toshiki Kishi, NTT Device Technology Labs. / Munehiko Nagatani, NTT Device Technology Labs. / Shigeru Kanazawa, NTT Device Innovation Center / Takuro Fujii, NTT Device Technology Labs. / Hidetaka Nishi, NTT Device Technology Labs. / Tadashi Minotani, NTT Device Technology Labs. / Norio Sato, NTT Device Technology Labs. / Tomonari Sato, NTT Device Technology Labs. / Shinji Matsuo, NTT Device Technology Labs.
3. 11:00 - 11:30
   M2G.3

   Electronics for 100 Gbaud and Beyond

   Presenter: Lian Qin, Marvell Semiconductor Inc., United States

    Presentation Details

   Invited

   the advancements in 200G and 400G per lane technologies are significant for the future of high-speed data transmission:200G per lane technology is being rapidly adopted,and widely used in hyperscalers. 400G per lane technology is anticipated to play a key role in 3.2T optical modules, which will be essential for next-generation switches and large-scale AI clusters<span style="font-size:10.8333px">.</span>Authors: Lian Qin, Marvell Semiconductor Inc.
4. 11:30 - 11:45
   M2G.4

   Low Complexity Optical Multipath Interference Mitigation Using Long-Term Memory Postfilter in IM-DD System

   Presenter: Weihao Ni, Sun Yat-Sen University, China

    Presentation Details   Paper

   We propose a low-complexity clustered long-term memory postfilter to whiten the MPI noise in high-speed IM-DD systems. Experiments with 112 Gbit/s PAM-4 transmission show that the signal-to-interference ratio tolerance can be improved by >4.6 dB.Authors: Weihao Ni, Sun Yat-Sen University / Zhaohui Li, Sun Yat-Sen University / Fan Li, Sun Yat-Sen University
5. 11:45 - 12:00
   M2G.5

   Probabilistic Shaping for Peak Power Constrained IM-DD Systems: Perspective of Envelope Control

   Presenter: Weihao Ni, Sun Yat-Sen University, China

    Presentation Details   Paper

   A novel indirect probabilistic shaping scheme tailed for peak-power constrained IM-DD systems is proposed based on dynamic selective mapping. Collaborating with turbo equalization, about 1dB receiver sensitivity improvement is observed in a 56GBaud PAM8 system.Authors: dongdong zou, SOOCHOW UNIVERSITY / wang wei, Sun Yat-Sen University / MingZhu Yin, Sun Yat-Sen University / Weihao Ni, Sun Yat-Sen University / Zhongxing Tian, SOOCHOW UNIVERSITY / Huan Huang, SOOCHOW UNIVERSITY / Fan Li, Sun Yat-Sen University / Yi Cai, SOOCHOW UNIVERSITY
6. 12:00 - 12:15
   M2G.6

   Real-Time Deployment of Nonlinear Compensation Equalizer Based on Pruning and non-Uniform Quantization in Short-Reach Optical Links

   Presenter: Xinda Sun, Fudan University, China

    Presentation Details   Paper

   We propose a low-complexity Volterra RTL design to achieve 212Gbit/s PAM4 1km transmission and real-time FPGA-based 29.4912 Gbit/s 25km PAM4 transmission. The design saves 75.3% of DSP and reduces power consumption by 26.2%.Authors: Xinda Sun, Fudan University / Kaihui Wang, Fudan University / Bohan Sang, Fudan University / Zonghui Zhu, Fudan University / Yumeng Gou, Fudan University / Yuanxiao Meng, Fudan University / Tianqi Zheng, Fudan University / Sheng Hu, Fudan University / Jianghao Wu, Fudan University / Jianjun Yu, Fudan University / Wen Zhou, Fudan University / Yun Chen, Fudan University

Optical Transceiver Technologies

1. 10:30 - 10:45
   M2H.1

   Performance Limitations and Optimizations of Linear Driver Optics for 200G/Lane and Beyond

   Presenter: Jianying Zhou, Hisense Broadband Inc, United States

    Presentation Details   Paper

   We studied performance limitations and optimizations using digital equalization and modulation bandwidth in linear-driver-optics for 200G/lane and beyond. The results show linear pluggable modules can support 30dB bump-to-bump loss for 200G/lane using an enhanced CTLE.Authors: Jianying Zhou, Hisense Broadband Inc / Lei Xin, Hisense Broadband Inc. / Jin Hong, Hisense Broadband Inc.
2. 10:45 - 11:00
   M2H.2

   A 4λx128Gb/s PAM-4 Si-Photonic Transmitter With Micro-Ring Modulator and Co-Designed Linear Driver for Chiplet Optical I/O

   Presenter: nan qi, institute of semiconductor, Chinese Academy of Sciences, China

    Presentation Details   Paper

   A 4λ×128Gb/s PAM4 Silicon-Photonic WDM transmitter is designed in CMOS, consisting of a linear driver and a micro-ring modulator for optical I/O. Measurement results demonstrate optical eye diagrams > 3.5dB extinction ratio while consuming 1.5pJ/bit.Authors: Siyuan Ma, institute of semiconductor, Chinese Academy of Sciences / Yingjie Ma, institute of semiconductor, Chinese Academy of Sciences / Chaoyang Dai, institute of semiconductor, Chinese Academy of Sciences / Sikai Chen, institute of semiconductor, Chinese Academy of Sciences / Qianli Ma, institute of semiconductor, Chinese Academy of Sciences / Yihan Chen, institute of semiconductor, Chinese Academy of Sciences / Haoran Yin, institute of semiconductor, Chinese Academy of Sciences / Yujun Xie, institute of semiconductor, Chinese Academy of Sciences / Guike Li, institute of semiconductor, Chinese Academy of Sciences / Jian Liu, institute of semiconductor, Chinese Academy of Sciences / Ming Li, institute of semiconductor, Chinese Academy of Sciences / Liyuan Liu, institute of semiconductor, Chinese Academy of Sciences / nan qi, institute of semiconductor, Chinese Academy of Sciences
3. 11:00 - 11:15
   M2H.3

   A 100 Gbps, sub-pJ/bit Transimpedance Amplifier in 90-nm SiGe in a Reconfigurable IMDD/Coherent Optical Receiver

   Presenter: Aaron Wissing, University of California, Santa Barbara, United States

    Presentation Details   Paper

   We report a 0.91 pJ/bit, differential dual-channel TIA with variable gain reaching 64 dBΩ in 90-nm SiGe measured in a reconfigurable PAM4/QPSK O-band receiver at 53.125 Gbaud with BERs below the KP4-FEC threshold of 2.2e-4.Authors: Aaron Wissing, University of California, Santa Barbara / James Dalton, University of California, Santa Barbara / Viviana Arrunategui Norvick, University of California, Santa Barbara / Evan Chansky, University of California, Santa Barbara / Xinhong Du, University of California, Santa Barbara / Junqian Liu, University of California, Santa Barbara / Hector Andrade, University of California, Santa Barbara / Aaron Maharry, University of California, Santa Barbara / Stephen Misak, University of California, Santa Barbara / Mario Milicevic, MaxLinear Incorporated / Luis Valenzuela, University of California, Santa Barbara / Larry Coldren, University of California, Santa Barbara / Adel Saleh, University of California, Santa Barbara / James Buckwalter, University of California, Santa Barbara / Clint Schow, University of California, Santa Barbara
4. 11:15 - 11:30
   M2H.4

   Adaptive Wavelength Tracking and Temperature Tuning of a 45Gbps Coupled Ring Resonator Based DWDM Link

   Presenter: Zhaowen Wang, Advanced Micro Devices, United States

    Presentation Details   Paper

   We demonstrate an adaptive wavelength locking system for micro-ring-based DWDM transceivers with high-order filters, utilizing DC data. Despite 20°C temperature fluctuations, system-level measurements at 45Gbps achieve BER<1E-10 with 1.2pJ/bit EIC power and 0.3pJ/bit heater power.Authors: Zhaowen Wang, Advanced Micro Devices / Ade Bekele, Advanced Micro Devices / Mingshan Li, Advanced Micro Devices / Mayank Raj, Advanced Micro Devices / Chuan Xie, Advanced Micro Devices / Anish Joshi, Advanced Micro Devices / Gareeyasee Saha, Advanced Micro Devices / Zakriya Mohammed, Advanced Micro Devices / Stuart Daudlin, Advanced Micro Devices / Parag Upadhyaya, Advanced Micro Devices / Yohan Frans, Advanced Micro Devices
5. 11:30 - 12:00
   M2H.5

   Electronic-Photonic Co-Design for Next Generation Optical Transceivers

   Presenter: Firooz Aflatouni, University of Pennsylvania, United States

    Presentation Details   Paper

   Invited

   Recent advances in monolithically integrated energy efficient high data-rate optical receivers, transmitters, and WDM light sources are presented and opportunities and challenges of next generation optical transceivers are discussed.Authors: Ali Pirmoradi, University of Pennsylvania / Han Hao, University of Pennsylvania / Kaisarbek Omirzakhov, University of Pennsylvania / Firooz Aflatouni, University of Pennsylvania
6. 12:00 - 12:30
   M2H.6

   Next-Generation Data Center Interconnects in the Age of AI

   Presenter: Reza Motaghian, Amazon Web Services, United States

    Presentation Details

   Invited

   This talk explores optical technology advancements enhancing AI performance in data centers through high-speed data transfer. We highlight requirements and challenges in managing complex optical networks, focusing on scalability and troubleshooting for next-generation AI infrastructure.Authors: Reza Motaghian, Amazon Web Services

Coherent Access Networks

1. 10:30 - 11:30
   M2I.1

   Coherent PON: Recent Evolutions and Expected Trends

   Presenter: Roberto Gaudino, Politecnico di Torino, Italy

    Presentation Details   Paper

   Tutorial

   This Tutorial will explore the potential future transition from IM-DD to coherent PON, evaluating their technical Pros and Cons and presenting the ultimate scalability laws for both solutions, including their potential for extended reach metro+PON convergence.Authors: Roberto Gaudino, Politecnico di Torino
2. 11:30 - 11:45
   M2I.2

   480 Gbit/s and 240 Gbit/s Single-Carrier Super-Rated Upstream Burst-Mode Coherent PON Utilizing Off-the-Shelf Coherent Receiver.

   Presenter: Kovendhan Vijayan, Nokia Bell Labs, United States

    Presentation Details   Paper

   Top Scored

   We demonstrate 480 Gbits/s (400G-PON) and 240 Gbits/s (200G-PON) upstream burst-mode coherent PON operation over 29 dB and 41 dB path loss, respectively with SOA boosters acting as shutter and pre-levelers, using off-the-shelf coherent receiver.Authors: Kovendhan Vijayan, Nokia Bell Labs / Robert Borkowski, Nokia Bell Labs / Qian Hu, Nokia Bell Labs / Dora van Veen, Nokia Bell Labs / Vincent Houtsma, Nokia Bell Labs
3. 11:45 - 12:00
   M2I.3

   200 Gb/s Coherent PON With a 40 dB Power Budget Over 20 km Anti-Resonant Hollow-Core Fiber

   Presenter: Chao Li, Pengcheng Laboratory, China

    Presentation Details   Paper

   We propose and demonstrate a 200 Gb/s/λ coherent PON over a 20-km NANF link achieving a power budget of 40 dB, in which the local oscillator is transmitted simultaneously with signal for heterodyne detection.Authors: Xumeng Liu, Pengcheng Laboratory / Chao Li, Pengcheng Laboratory / Peng Sun, Pengcheng Laboratory / Qibing Wang, Pengcheng Laboratory / Mingshi Zhang, Pengcheng Laboratory / Zichen Liu, Pengcheng Laboratory / Songyuan Hu, Pengcheng Laboratory / Yunhong Liu, Pengcheng Laboratory / Peng Li, YOFC / Jie Luo, YOFC / Lei Zhang, YOFC / Lei Wang, Pengcheng Laboratory / Zhixue He, Pengcheng Laboratory / Shaohua Yu, Pengcheng Laboratory
4. 12:00 - 12:15
   M2I.4

   Single-Laser BiDirectional Coherent PON: a Hybrid SC/DSC Architecture for Flexible and Cost-Efficient Optical Access Networks

   Presenter: Haipeng Zhang, CableLabs, United States

    Presentation Details   Paper

   Top Scored

   We demonstrate a single-laser BiDi coherent PON with hybrid SC/DSC support, offering flexible-rate upstream burst transmission and reduced complexity, enabling adaptable, high-performance, and cost-effective next-generation optical access networks.Authors: Haipeng Zhang, CableLabs / Zhensheng Jia, CableLabs / Luis Alberto Campos, CableLabs / Karthik Choutagunta, CableLabs / Curtis Knittle, CableLabs

LiDAR, Ranging and Urban Demonstrations

1. 10:30 - 10:45
   M2J.1

   Demonstrated High-Frame-Rate Real-Time 4D Imaging of Optical Phased Array Solid-State LiDAR System

   Presenter: baisong chen, Jilin University, China

    Presentation Details   Paper

   We present a silicon-based OPA all-solid-state LiDAR system that achieves real-time 4D imaging. The system achieved a 40 kHz LiDAR point frequency and demonstrated real-time 4D imaging up to 30 frames per second.Authors: baisong chen, Jilin University / Yingzhi Li, Jilin University / quanxin na, Peng Cheng Laboratory / qijie xie, Peng Cheng Laboratory / Ziming Wang, Jilin University / Min Tao, Jilin University / haolun hao, Jilin University / heming hu, Jilin University / Xianqi Pang, Jilin University / Jie Li, Jilin University / Zihao Zhi, Jilin University / Xuetong Li, Jilin University / Huan Qu, Jilin University / Guo-Qiang Lo, Advance Micro Foundry / Junfeng Song, Jilin University
2. 10:45 - 11:00
   M2J.2

   Towards Phase Noise-Free in FMCW LiDAR Sensors for Autonomous Driving

   Presenter: Javier Perez Santacruz, IMEC NL, Netherlands

    Presentation Details   Paper

   This work introduces a novel phase noise compensation technique for FMCW LiDAR in automotive applications, achieving an 18x linewidth reduction to tens of kHz, experimentally tested and evaluated under various AWGN and long-distance conditions.Authors: Javier Perez Santacruz, IMEC NL / Jac Romme, IMEC NL / Xuebing Zhang, IMEC NL / Esteban Venialgo Araujo, IMEC NL / Marcus Dahlem, IMEC BE / Ruud Oldenbeuving, IMEC NL / Dongjae Shin, IMEC NL
3. 11:00 - 11:15
   M2J.3

   Photonics-Enabled Code-Division Multiplexing FMCW Distributed Radar

   Presenter: Chang-Shao Shen, imec, Belgium

    Presentation Details   Paper

   This paper presents a 144-GHz Hadamard code-division multiplexing distributed FMCW radar with the phase encoder integrated with the optical distribution network providing the chirps to remote radar units. A proof-of-concept experiment demonstrates successful range measurements.Authors: Chang-Shao Shen, imec / Nishant Singh, imec / Anirudh Kankuppe, imec / Kristof Vaesen, imec / Piet Wambacq, imec / Guy Torfs, imec
4. 11:15 - 11:30
   M2J.4

   Highly Efficient Algorithm for Frequency Linearization in FMCW Lidar Using Directly-Modulated DFB Laser

   Presenter: Ning Cheng, InnoLight Technology (Suzhou) Ltd., China

    Presentation Details   Paper

   A non-iterative pre-distortion algorithm is presented for linear frequency sweep in FMCW LiDAR using directly-modulated semiconductor lasers. This method achieves a residual frequency nonlinearity of ±0.6MHz and an accuracy of 18.7cm for 300m ranging distance.Authors: ying lu, InnoLight Technology (Suzhou) Ltd. / jun zhou, InnoLight Technology (Suzhou) Ltd. / SIYU DUAN, InnoLight Technology (Suzhou) Ltd. / wenjie xiao, InnoLight Technology (Suzhou) Ltd. / Ning Cheng, InnoLight Technology (Suzhou) Ltd. / XUEZHE zheng, InnoLight Technology (Suzhou) Ltd.
5. 11:30 - 11:45
   M2J.5

   VLC Over High-Flux LEDs Using Simple Baseband Signaling: Spectral Stitching vs. Beam Combining

   Presenter: Bernhard Schrenk, Austrian Institute of Technology, Austria

    Presentation Details   Paper

   Ethernet-over-VLC transmission is accomplished over medium- and high-flux (>50lm) LEDs, revealing that broadband modulation with simple coding prevails over distortion-sensitive modulation techniques. Towards that, a sub-20lm LED can cater for 100-m real-time LiDAR point-cloud transmission.Authors: Bernhard Schrenk, Austrian Institute of Technology
6. 11:45 - 12:00
   M2J.6

   Demonstration of Combined Coarse and Fine Underwater Ranging Using Structured Light of Varying Longitudinal Wavenumbers for Enhanced Dynamic Range and Accuracy

   Presenter: Yuxiang Duan, University of Southern California, United States

    Presentation Details   Paper

   We demonstrate combined coarse and fine underwater ranging by tuning the longitudinal wavenumber difference of structured light beams. ~4X enhanced dynamic range (1 meter) and accuracy (average error of 4.2 mm) is achieved under scattering water (γ= 1.3 m-1).Authors: Yuxiang Duan, University of Southern California / Yingning Wang, University of Southern California / Huibin Zhou, University of Southern California / Zile Jiang, University of Southern California / Muralekrishnan Ramakrishnan, University of Southern California / Zixun Zhao, University of Southern California / Ruoyu Zeng, University of Southern California / Yue Zuo, University of Southern California / Hongkun Lian, University of Southern California / Xinzhou Su, University of Southern California / Robert Bock, R-DEX Systems, Inc. / Moshe Tur, Tel Aviv University / Alan Willner, University of Southern California
7. 12:00 - 12:15
   M2J.7

   5.7 Tb/s Transmission Over a 4.6 km Field-Deployed Free-Space Optical Link in Urban Environment

   Presenter: Vincent van Vliet, Eindhoven University of Technology, Netherlands

    Presentation Details   Paper

   Top Scored

   We transmitted 5.7 Tb/s over a 4.6 km free-space optical link in an urban environment, spanning the city of Eindhoven, the Netherlands, using a 1.1 THz wide wavelength-division multiplexed signal.Authors: Vincent van Vliet, Eindhoven University of Technology / Menno van den Hout, Eindhoven University of Technology / Kadir Gumus, Eindhoven University of Technology / Eduward Tangdiongga, Eindhoven University of Technology / Chigo Okonkwo, Eindhoven University of Technology
8. 12:15 - 12:30
   M2J.8

   Wireless Transmission of 220-GHz Terahertz Signals Over 4.6 km Using Photonics-Aided Technology

   Presenter: Yi Wei, Fudan university, China

    Presentation Details   Paper

   Based on photonics-aided technology, we achieved a record-breaking 4.6-km wireless transmission of 220-GHz terahertz signals and attained a 2,000-Mbps transmission rate for QPSK signals in this system.Authors: Yi Wei, Fudan university / Jianjun Yu, Fudan university / Xiongwei Yang, Fudan university / mingxu wang, Fudan university / Si wang, Fudan university / Qiutong Zhang, Fudan university / chenzhen Bian, Fudan university / jingwen tan, Fudan university / peng tian, Fudan university / yang han, Fudan university / sicong xu, Fudan university / Wen Zhou, Fudan university / Kaihui Wang, Fudan university / Feng Zhao, Xi’an University of Posts and Telecommunications

Light Source and Integration II

1. 10:30 - 10:45
   M2K.1

   90 GHz Silicon Mach-Zehnder Modulator With Integrated Equalizer for 1.6 Tbps (200G/λ) IMDD Transceivers

   Presenter: Haibo Wang, Advanced Micro Foundry, Singapore

    Presentation Details   Paper

   We successfully demonstrated 90 GHz Silicon Mach-Zehnder modulator using an integrated equalizer, which was fabricated using foundry standard silicon photonics technology. This potentially enables high volume manufacturable 1.6Tbps (200G/(λ)) and beyond IMDD transceivers.Authors: Haibo Wang, Advanced Micro Foundry / James Tan, Advanced Micro Foundry / Hanzhi Tang, Advanced Micro Foundry / Tingyu Teo, Advanced Micro Foundry / Wu Xie, Advanced Micro Foundry / Chewping Leong, Advanced Micro Foundry / Wenxu Gu, Advanced Micro Foundry / Chao Li, Advanced Micro Foundry / Guo-Qiang Lo, Advanced Micro Foundry
2. 10:45 - 11:00
   M2K.2

   135 GHz Waveguide-Coupled Germanium Photodiode

   Presenter: Mingjie Zou, Huazhong University of Science and Technology, China

    Presentation Details   Paper

   We demonstrate a high-bandwidth waveguide-coupled germanium photodiode compatible with the complementary metal-oxide-semiconductor fabrication, achieving a bandwidth of 135 GHz at -1 V and enabling four-level pulse amplitude modulation signal reception up to 270 Gb/s.Authors: Mingjie Zou, Huazhong University of Science and Technology / Yang Shi, Huazhong University of Science and Technology / Zuhang Li, Huazhong University of Science and Technology / Xiaojun Xie, Southwest Jiaotong University / Yu Yu, Huazhong University of Science and Technology
3. 11:00 - 11:30
   M2K.3

   High Speed and High Temperature Operating III-v on Si Membrane DFB Lasers

   Presenter: Koji Takeda, NTT Device Technology Labs, Japan

    Presentation Details   Paper

   Invited

   Heat dissipation is an important factor limiting the operating speed and temperature of lasers on Si. We review our recent progress on III-V membrane lasers on Si, SiC, and sapphire/Si, including the transfer printing technique.Authors: Koji Takeda, NTT Device Technology Labs / Takuro Fujii, NTT Device Technology Labs / Suguru Yamaoka, NTT Device Technology Labs / Tatsurou Hiraki, NTT Device Technology Labs / Yoshiho Maeda, NTT Device Technology Labs / Shinji Matsuo, NTT Device Technology Labs
4. 11:30 - 11:45
   M2K.4

   Monolithically Integrated Ultra-Dense Polarization Insensitive 8x8 InP Switch for Optical Networks

   Presenter: Nicola Calabretta, TUe, Netherlands

    Presentation Details   Paper

   For the first time, we experimentally demonstrated an ultra-dense polarization-insensitive C-band 8x8 broadcast&select switch based on bulk SOAs. Results show broadband net-gain, low PDG<2dB, error-free operation with <0.2dB power-penalty at 30Gbps NRZ-modulated signal in C-band.Authors: Aref Rasoulzadehzali, TUe / Marijn Rombouts, TUe / Shiyi Xia, TUe / Steven Kleijn, Smart Photonics / Luc Augustin, Smart Photonics / Nicola Calabretta, TUe
5. 11:45 - 12:00
   M2K.5

   5-mW 300-GHz-Band THz-Wave Generator Consisting of two SiC-Based Photomixers and Power Combiner

   Presenter: Yoshiki Kamiura, Kyushu University, Japan

    Presentation Details   Paper

   A high-power UTC-PD on a SiC substrate has achieved 5 mW output power and 87 GHz bandwidth in the 300-GHz band. This breakthrough was accomplished using a compact WR-3.4 waveguide module and Y-junction power combiner.Authors: Yoshiki Kamiura, Kyushu University / Ryo Doi, Kyushu University / Kentaro Soeda, The University of Tokyo / Kazunori Naganuma, The University of Tokyo / Yoshinori Yamaguchi, The University of Tokyo / Chengyuan Qian, Kyushu University / Ming Che, Kyushu University / Yuya Mikami, Kyushu University / Junji Yumoto, The University of Tokyo / Tadao Nagatsuma, The University of Tokyo / Tadao Ishibashi, wavepackets LLC / Kazutoshi Kato, Kyushu University
6. 12:00 - 12:15
   M2K.6

   Integrated Optical Link on Si Wafer Using Low Energy Membrane InP-Based Photonic Devices

   Presenter: Tatsurou Hiraki, NTT Device Innovation Center, Japan

    Presentation Details   Paper

   Top Scored

   An integrated optical link on a Si wafer is demonstrated with a short-cavity membrane laser, over-67-GHz-bandwidth electro-absorption modulator, 48-GHz-bandwidth photodetector, and 7.6-mm-long SiOx waveguide. It demonstrates 0.26-pJ/bit operation for 64-Gbit/s non-return-to-zero signals.Authors: Tatsurou Hiraki, NTT Device Innovation Center / Koji Takeda, NTT Device Innovation Center / Takuro Fujii, NTT Device Innovation Center / Takuma Aihara, NTT Device Innovation Center / Yoshiho Maeda, NTT Device Innovation Center / Hiroki Sugiyama, NTT Device Technology Labs / Tomonari Sato, NTT Device Innovation Center / Shinji Matsuo, NTT Device Technology Labs
7. 12:15 - 12:30
   M2K.7

   230 GHz MUTC Photodiodes Integrated on Thin-Film Lithium Niobate

   Presenter: Luyu Wang, Shanghaitech University, China

    Presentation Details   Paper

   Top Scored

   We report an ultrafast modified uni-traveling carrier photodiode (MUTC PD) heterogeneously integrated on thin-film lithium niobate (TFLN) waveguides, achieving a record-high 3-dB bandwidth of 230 GHz and a responsivity of 0.51 A/W at 1550-nm wavelength.Authors: Luyu Wang, Shanghaitech University / Hanke Feng, City University of Hong Kong / Zhouze Zhang, Shanghaitech University / Linze Li, Shanghaitech University / Tianyu Long, Shanghaitech University / Chengfei Shang, City University of Hong Kong / Cheng Wang, City University of Hong Kong / Baile Chen, Shanghaitech University

Marriott Marquis- Applications of Radio-over-Fiber Technologies Including Future G Networks

Moscone Convention Center Level 3- ROADM Technologies and Network Applications

Marriott Marquis- The Life Cycle of an Optical Network: From Planning to Decommissioning

Moscone Convention Center Level 3- Optical Wireless Technologies, Systems and Applications

Marriott Marquis- Microwave Photonics

Moscone Convention Center Level 3- Highly Integrated Monolithic Photonic Integrated Circuits

Moscone Convention Center Level 3-Modeling and Design of Long-Haul Fiber-Optic Communication Systems

Marriott Marquis- Standards for High-Speed Optical Networking

Marriott Marquis- Circuits and Equalization Methods for Coherent and Direct Detection Optical Links

Marriott Marquis- Photonic Technologies in the Data Center

Marriott Marquis- Introduction to Photodetectors and Optical Receivers

Marriott Marquis- Optical Fiber Sensors

Marriott Marquis- Hands-On: Fiber Optic Handling, Measurements, and Component Testing

Moscone Convention Center Level 1- Fiber Optic OFC NET Course- Practical Fiber Optic network testing hands-on short course in a realistic network environment

Generative AI in Networking: From Proof of Concept to Production I

1. 14:00 - 14:20
   M3A.1

   Generative AI Applications in Telecom

   Presenter: Larry Zhou, AT&T Corp, United States

    Presentation Details

   Invited

   This presentation explores GenAI's transformation role in telecom, enhancing predictive maintenance, automated troubleshooting, network modeling, and AI-driven service assurance. By leveraging multimodal AI and edge computing, we enable smarter, more efficient, and resilient network operations.Authors: Larry Zhou, AT&T Corp
2. 14:20 - 14:40
   M3A.2

   Generative AI for Network Operations

   Presenter: Young Jung, Amazon Web Services, United Kingdom

    Presentation Details

   Invited

   Abstract not available.Authors: Imen Grida Ben Yahia, Amazon Web Services / Young Jung, Amazon Web Services
3. 14:40 - 15:00
   M3A.3

   AIOps: the Autonomous Network Journey

   Presenter: Anurag Sharma, Google LLC, United States

    Presentation Details

   Invited

   AI-powered Network 5.0 uses AI and deep learning to predict and manage network issues, optimize support, and streamline processes to enable fast responses to change, promising autonomous, efficient, and reliable networks.Authors: Anurag Sharma, Google LLC
4. 15:00 - 15:20
   M3A.4

   LLM-Centric Transport Network Configuration Management Framework and Demonstration

   Presenter: Cen Wang, KDDI Research Inc., Japan

    Presentation Details   Paper

   Invited

   We demonstrate the multivendor use case of LLM-based transport network assimilation, configuration and telemetry automations through parameter-efficiently fine tuning the LLM over an evolutionarily designed LLM-centric control and management framework.Authors: Cen Wang, KDDI Research Inc. / Noboru Yoshikane, KDDI Research Inc. / Chenxiao Zhang, KDDI Research Inc. / Yuta Wakayama, KDDI Research Inc. / Daiki Soma, KDDI Research Inc. / Takehiro Tsuritani, KDDI Research Inc.
5. 15:20 - 15:40
   M3A.5

   Measuring and Mitigating Generative AI Risk: Successes and Challenges From a Practitioner Perspective

   Presenter: Harish Babu Arunachalam, Verizon Communications Inc, United States

    Presentation Details

   Invited

   Generative AI (GenAI) is a powerful technology but brings with it significant risks. We showcase real examples of GenAI risks, their impacts, and discuss strategies to identify, measure, and mitigate risks for safe business deploymentsAuthors: Harish Babu Arunachalam, Verizon Communications Inc / Joshua Andrews, Verizon Communications Inc
6. 15:40 - 16:00
   M3A.6

   Operations Science and Automation in Optical Networks: From Machine Learning to Generative AI

   Presenter: Christopher Janz, Huawei Canada, Canada

    Presentation Details

   Invited

   Abstract not available.Authors: Christopher Janz, Huawei Canada

High Symbol Rates Transceivers

1. 14:00 - 15:00
   M3C.1

   Components, DSP, and Subsystem Design for Ultra-High-Speed Optical Transceivers

   Presenter: Vivian Xi Chen, Nokia Bell Labs, United States

    Presentation Details

   Tutorial

   An overview of the critical parts of high-speed optical transceivers will be given, including DSP and high-speed signal generation, modulators, CW sources, etc. Thoughts on possible research directions of future transceivers will also be shared.Authors: Vivian Xi Chen, Nokia Bell Labs
2. 15:00 - 15:30
   M3C.2

   Single-Carrier High-Capacity Transmission in Bandwidth-Limited Systems

   Presenter: Hisao Nakashima, Fujitsu Limited, Japan

    Presentation Details   Paper

   Invited

   Towards next coherent system, the technologies to dealing with insufficient analog bandwidth with low power consumption is attractive. We experimentally evaluated Tomlinson-Harashima pre-coding to the probabilistic-shaped signal with low-speed receiver DSP and required OSNR improvements.Authors: Guoxiu Huang, Fujitsu Limited / Hisao Nakashima, Fujitsu Limited / Takeshi Hoshida, Fujitsu Limited
3. 15:30 - 15:45
   M3C.3

   628 Gb/s Net Bitrate IMDD Transmission Using Ultra-Broadband InP-DHBT-Based Electrical Mixer With Upper-Sideband Gain-Enhanced Mode

   Presenter: Masanori Nakamura, NTT Network Innovation Laboratories, Japan

    Presentation Details   Paper

   Top Scored

   We demonstrate a net bitrate of 633-Gb/s back-to-back and 628-Gb/s 11-km IMDD transmission with 224-GBd PS-PAM14 signal using upper-sideband gain-enhanced mode of a 150-GHz-bandwidth electrical mixer for frequency-domain multiplexing, achieving the first >600-Gb/s/lane IMDD transmission.Authors: Masanori Nakamura, NTT Network Innovation Laboratories / Teruo Jyo, NTT Device Technology Laboratories / Munehiko Nagatani, NTT Network Innovation Laboratories / Hitoshi Wakita, NTT Device Technology Laboratories / Miwa Mutoh, NTT Device Technology Laboratories / Yuta Shiratori, NTT Device Technology Laboratories / Hiroki Taniguchi, NTT Network Innovation Laboratories / Shuto Yamamoto, NTT Network Innovation Laboratories / Fukutaro Hamaoka, NTT Network Innovation Laboratories / Etsushi Yamazaki, NTT Network Innovation Laboratories / Takayuki Kobayashi, NTT Network Innovation Laboratories / Hiroyuki Takahashi, NTT Network Innovation Laboratories / Yutaka Miyamoto, NTT Network Innovation Laboratories

Satellite and THz Communications

1. 14:00 - 14:30
   M3D.1

   High-Capacity THz Wireless Transmission Supporting Future 6G Optical Networks

   Presenter: Colja Schubert, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut, Germany

    Presentation Details   Paper

   Invited

   We review recent developments in high-capacity THz wireless transmission, focusing on point-to-point links in the lower THz frequency range around 300 GHz. Available technologies and challenges for integration into future 6G optical networks are discussed.Authors: Colja Schubert, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Robert Elschner, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Oliver Stiewe, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / In-Ho Baek, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Simon Schütze, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Andreas Maassen, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Kallyan Das, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Robert Kohlhaas, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Simon Nellen, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Milan Deumer, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Thomas Merkle, Fraunhofer Institute for Applied Solid State Physics / Axel Tessmann, Fraunhofer Institute for Applied Solid State Physics / Markus Rösch, Fraunhofer Institute for Applied Solid State Physics / Fred Meier, Technische Universität Berlin / Frederik Bart, Technische Universität Berlin / Ronald Freund, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut / Martin Schell, Fraunhofer Institue for Telecommunications Henrich-Hertz-Institut
2. 14:30 - 14:45
   M3D.2

   Ultra-Fast Fibre Optic Alignment System for Free-Space Optical Communications Utilizing Multi-Spot Beams

   Presenter: Ruixue Guo, Southeast University, China

    Presentation Details   Paper

   This paper demonstrated a holographic fibre coupling method, which achieved a 98% reduction in the average search steps with an enhanced efficiency compared with the traditional method using FSM.Authors: Ruixue Guo, Southeast University / Xun Yu, Southeast University / Haining Yang, Southeast University
3. 14:45 - 15:15
   M3D.3

   Fully Reconfigurable Silicon Photonic Transceiver for Optical Inter-Satellite Links

   Presenter: Vignesh Gopal, Columbia University, United States

    Presentation Details

   Invited

   Over the past two decades, LEO satellites have rapidly proliferated, fragmenting communication protocols. We propose a reconfigurable silicon-photonic link enabling versatile modulation formats to promote seamless interoperability and efficiency in inter-satellite communications.Authors: Vignesh Gopal, Columbia University / Asher Novick, Columbia University / Xinzhou Su, University of Southern California / James Venditto, Columbia University / Muralekrishnan Ramakrishnan, University of Southern California / Zile Jiang, University of Southern California / Maarten Hattink, Columbia University / Anthony Rizzo, Columbia University / Ricard Menchon-Enrich, Intel Corporation / Xiang Meng, Columbia University / Alan Willner, University of Southern California / Keren Bergman, Columbia University
4. 15:15 - 15:30
   M3D.4

   1.2 Tb/s/λ Real Time Mode Division Multiplexing Free Space Optical Communication With Commercial 400G Open and Disaggregated Transponders

   Presenter: Giacomo Borraccini, NEC Laboratories America Inc., United States

    Presentation Details   Paper

   We experimentally demonstrate real time mode division multiplexing free space optical communication with commercial 400G open and disaggregated transponders. As proof of concept, using HG00, HG01, and HG10 modes, we transmit 1.2 Tb/s/λ (3×1λ×400 Gb/s) error free.Authors: Giacomo Borraccini, NEC Laboratories America Inc. / Giovanni Milione, NEC Laboratories America Inc. / Andrea D Amico, NEC Laboratories America Inc. / Yue-Kai Huang, NEC Laboratories America Inc. / Ezra Ip, NEC Laboratories America Inc. / Jian Fang, NEC Laboratories America Inc. / Philip Ji, NEC Laboratories America Inc. / Koji Asahi, NEC Corporation / Ting Wang, NEC Laboratories America Inc.
5. 15:30 - 16:00
   M3D.5

   Challenges and Opportunities in Free Space Optical Satellite Communication

   Presenter: Mustafa Cardakli, Amazon, United States

    Presentation Details   Paper

   Invited

   This paper examines the technical challenges and potential solutions for implementing optical communications in low-Earth-orbit (LEO) constellations, with an emphasis on achieving high photon efficiency, enabling adaptable high data rates, and minimizing power consumption.Authors: Mustafa Cardakli, Amazon

Integration and Devices for Quantum Systems

1. 14:00 - 14:15
   M3E.1

   Integrated Visible Light Coil-Resonator Stabilized Brillouin Lasers for Sr Neutral and Trapped-ion Clock and Qubit Transitions

   Presenter: Meiting Song, University of California, Santa Barbara, United States

    Presentation Details   Paper

   We demonstrate stabilization of 698 and 674 nm integrated Brillouin lasers to integrated 3-m coil resonators for neutral and trapped-ion strontium clock applications, achieving record-low 17 Hz fundamental and 660 Hz integral linewidths.Authors: Meiting Song, University of California, Santa Barbara / Nitesh Chauhan, University of California, Santa Barbara / Nick Montifiore, University of California, Santa Barbara / Kaikai Liu, University of California, Santa Barbara / Andrew Hunter, University of California, Santa Barbara / Andrei Isichenko, University of California, Santa Barbara / Robert J. Niffenegger, University of Massachusetts Amherst / Daniel J. Blumenthal, University of California, Santa Barbara
2. 14:15 - 14:30
   M3E.2

   Strong Nanophotonic Quantum Squeezing Exceeding 3.5 dB in Kerr Microresonator

   Presenter: Yichen Shen, University of Maryland, United States

    Presentation Details   Paper

   We report the highest level of squeezing directly detected from a microresonator, 3.7 dB (10.7 dB inferred). We use Si$_3$N$_4$ nanophotonic microrings operated in the continuous-wave regime and observe stable squeezing with minimal excess classical noise.Authors: Yichen Shen, University of Maryland / Ping-Yen Hsieh, University of Maryland / Sashank Sridhar, University of Maryland / Samantha Feldman, University of Maryland / You-Chia Chang, National Yang Ming Chiao Tung University / Thomas Smith, Naval Air Warfare Center / Avik Dutt, University of Maryland
3. 14:30 - 15:00
   M3E.3

   Quantum Light Source Technologies Based on Silicon Nitride Photonic Integrated Circuits

   Presenter: Kartik Srinivasan, National Inst of Standards & Technology, United States

    Presentation Details

   Invited

   I will discuss three types of quantum light sources in silicon nitride photonics based on: (1) bulk c(3) nonlinearity, (2) heterogeneous integration with III-V epitaxial quantum dots, and (3) heterogeneous integration with Rb alkali vapor.Authors: Kartik Srinivasan, National Inst of Standards & Technology
4. 15:00 - 15:15
   M3E.4

   Nonlinear Interference in Silicon Photonics for Enhanced Photon Pair Generation

   Presenter: Haoran Ma, Zhejiang University, China

    Presentation Details   Paper

   We observed quantum nonlinear interference in a silicon chip and propose a scheme to utilize it for improving the photon pair rate. The numerical analysis shows that a gain of over two can be attained.Authors: Haoran Ma, Zhejiang University / Huihui Zhu, The Hong Kong Polytechnic University / Fanjie Ruan, Zhejiang University / Li'ao Ye, Zhejiang University / Zichao Zhao, Zhejiang University / Qishen Liang, Zhejiang University / Donghui Chen, Zhejiang University / denghui wang, Zhejiang University / Yuehai Wang, Zhejiang University / Jianyi Yang, Zhejiang University
5. 15:15 - 15:30
   M3E.5

   Tapered Optical Fibres With a Xenon Gas Cladding for Entangled Photon Pair Generation

   Presenter: Tom Bradley, Technische Universiteit Eindhoven, Netherlands

    Presentation Details   Paper

   Photon pair generation compatible with quantum memories and telecommunication systems is critical for integration into optical fiber networks. A feasibility study was conducted on the phase-matching conditions necessary for spontaneous four-wave-mixing in tapered single-mode fiber.Authors: Tom Bradley, Technische Universiteit Eindhoven / Liudmila Silanteva, Technische Universiteit Eindhoven / Menno van den Hout, Technische Universiteit Eindhoven / Chigo Okonkwo, Technische Universiteit Eindhoven
6. 15:30 - 16:00
   M3E.6

   Photonics for Trapped Ion Systems

   Presenter: Jeremy Sage, IonQ Inc., United States

    Presentation Details

   Invited

   Abstract not availableAuthors: Jeremy Sage, IonQ Inc.

Multicore, Hollow Core, and Fiber-Based Networking

1. 14:00 - 14:15
   M3F.1

   Core-Level Routing in Long-Haul MCF Transmission System With FIFO-Less Multicore EDFA and Spatial Cross-Connect

   Presenter: Kosuke Komatsu, KDDI Research, Inc., Japan

    Presentation Details   Paper

   Top Scored

   Core-level routing in a long-haul multicore fiber transmission system is experimentally demonstrated. Full C-band signals are transmitted over 1685-km 4-core fibers using fan-in/fan-out-less multicore fiber amplifiers and a spatial channel cross-connect for the first time.Authors: Kosuke Komatsu, KDDI Research, Inc. / Shohei Beppu, KDDI Research, Inc. / Daiki Soma, KDDI Research, Inc. / Yuta Wakayama, KDDI Research, Inc. / Noboru Yoshikane, KDDI Research, Inc. / Masahiko Jinno, Kagawa University / Takehiro Tsuritani, KDDI Research, Inc.
2. 14:15 - 14:30
   M3F.2

   Demonstration of 4-Core/16-Core Fiber Heterogeneous Spatial Channel Network Comprising 19-Core Fiber Core Selective Switch-Based Spatial Gateway, 4-Core EDFAs, and 19-Core EDFAs

   Presenter: Takumi Tani, Kagawa University, Japan

    Presentation Details   Paper

   Inter-domain spatial-channel establishment and fault recovery are demonstrated over a 4-core fiber (CF) and 16-CF heterogeneous spatial channel network comprising a 19-CF core-selective-switch-based spatial gateway, fan-in/fan-out-less 4-C EDFAs, and cladding-pumped 19-C EDFAs.Authors: Takumi Tani, Kagawa University / Daiki Soma, KDDI Research, Inc. / Ryohei Otowa, santec AOC corporation / Yusuke Matsuno, Furukawa Electric Co., Ltd. / Kyosuke Nakada, Kagawa University / Kosuke Komatsu, KDDI Research, Inc. / Yuji Hotta, santec AOC corporation / Tsubasa Sasaki, Furukawa Electric Co., Ltd. / Rika Tahara, Kagawa University / Shohei Beppu, KDDI Research, Inc. / Koichi Maeda, Furukawa Electric Co., Ltd. / Takuma Izumi, Kagawa University / Yuta Wakayama, KDDI Research, Inc. / Noboru Yoshikane, KDDI Research, Inc. / Takehiro Tsuritani, KDDI Research, Inc. / Yasuki Sakurai, santec AOC corporation / Ryuichi Sugizaki, Furukawa Electric Co., Ltd. / Masahiko Jinno, Kagawa University
3. 14:30 - 14:45
   M3F.3

   Hollow Core Fiber as a Long-Term Solution for Capacity Scaling in Optical Networks

   Presenter: Memedhe Ibrahimi, Politecnico di Milano, Italy

    Presentation Details   Paper

   We evaluate selectively upgrading optical networks with Hollow Core Fibers for long-term capacity scaling. Upgrading 50% of links with HCF delivers 2.1x more traffic and 38% lower cost-per-Tbps compared to multiband and parallel fiber networks.Authors: Giovanni Sticca, Politecnico di Milano / Memedhe Ibrahimi, Politecnico di Milano / Nicola Di Cicco, Politecnico di Milano / Francesco Musumeci, Politecnico di Milano / Massimo Tornatore, Politecnico di Milano
4. 14:45 - 15:00
   M3F.4

   Benefit of HCF for Throughput of Future WDM Networks

   Presenter: Thierry Zami, Nokia Corporation, France

    Presentation Details   Paper

   We quantify the benefit from Hollow Core Fibers (HCF) versus common SSMF regarding the total capacity in modern WDM transparent backbone networks for various network sizes, various fiber losses in dB/km and various span lengthsAuthors: Thierry Zami, Nokia Corporation / nicola rossi, Nokia Corporation / serge melle, Nokia Corporation / bruno lavigne, Nokia Corporation
5. 15:00 - 15:15
   M3F.5

   Statistical Assessment of System Margin in Metro Networks Impaired by PDL

   Presenter: Enrico Miotto, Politecnico di Torino, Italy

    Presentation Details   Paper

   We experimentally justify the need of analyzing stochastic PDL insertion in optical metro network nodes. Consequently, we assess conservative OSNR margin comparing different approaches to the case with maxwellian-distributed PDL, through Monte Carlo simulation.Authors: Enrico Miotto, Politecnico di Torino / Andrea D Amico, NEC Laboratories America Inc. / RENATO AMBROSONE, Politecnico di Torino / Francesco Aquilino, LINKS Foundation / Stefano Straullu, LINKS Foundation / Vittorio Curri, Politecnico di Torino
6. 15:15 - 15:45
   M3F.6

   AI/ML-Based State-of-Polarization Monitoring in Optical Networks: Concepts and Challenges

   Presenter: Lena Wosinska, Chalmers Tekniska Högskola, Sweden

    Presentation Details   Paper

   Invited

   Optical networks are vulnerable to various disturbances that can jeopardize service availability of privacy. We discuss AI/ML-based analysis of the incurred state-of-art polarization changes for cognitive management of complex disturbances.Authors: Leyla Sadighi, Chalmers Tekniska Högskola / Carlos Natalino, Chalmers Tekniska Högskola / Stefan Karlsson, FMV / Lena Wosinska, Chalmers Tekniska Högskola / Marco Ruffini, Trinity College Dublin / Marija Furdek, Chalmers Tekniska Högskola

Novel Materials, Metamaterial and Reconfigurable Devices

1. 14:00 - 14:15
   M3G.1

   Nonvolatile PCM-Driven Photonic Computing Using Programmable Sub-Wavelength Metasurfaces

   Presenter: Liyun Hu, Huazhong uni of Science and Technology, China

    Presentation Details   Paper

   We demonstrate a programmable nonvolatile convolutional core based on sub-wavelength phase-change metasurfaces, offering advanced computing capacities for its zero static power consumption and multi-level reconfigurable weights.Authors: Liyun Hu, Huazhong uni of Science and Technology / Yuexing Su, Huazhong uni of Science and Technology / Yunlong Li, Huazhong uni of Science and Technology / Shuang Zheng, Huazhong uni of Science and Technology / Minming Zhang, Huazhong uni of Science and Technology
2. 14:15 - 14:45
   M3G.2

   Monolithic BEOL Integration of Phase Change Materials for Reconfigurable Silicon Photonics

   Presenter: Xiaodan Pang, Zhejiang University, China

    Presentation Details   Paper

   Invited

   We present a monolithic back-end-of-line integration platform for phase change materials (PCMs) in silicon photonics. High-performance nonvolatile integrated photonic devices based on PCMs have been developed, demonstrating their potential applications.Authors: Weiquan Wang, Zhejiang University / Kai Xu, Zhejiang University / Maoliang Wei, Zhejiang University / Kunhao Lei, Zhejiang University / Boshu Sun, Westlake University / Yiting Yun, Zhejiang University / Junying Li, Zhejiang University / Lan Li, Westlake University / Hongtao Lin, Zhejiang University / Xiaodan Pang, Zhejiang University
3. 14:45 - 15:00
   M3G.3

   PZT Optical Memristors for Integrated Photonics

   Presenter: Tao Shu, Zhejiang University, China

    Presentation Details   Paper

   We demonstrated first-ever PZT optical memristors capable of unprecedented functional duality by manipulating ferroelectric domains, featuring low loss, high precision, high-efficiency modulation, high stability quasi-continuity and reconfigurability, together with a scalable, CMOS-compatible sol-gel fabrication process.Authors: Chenlei Li, Zhejiang University / Hongyan Yu, University of Chinese Academy of Sciences / Tao Shu, Zhejiang University / Yueyang Zhang, Zhejiang University / Feng Qiu, University of Chinese Academy of Sciences / Daoxin Dai, Zhejiang University
4. 15:00 - 15:15
   M3G.4

   85 fJ/bit Silicon-Organic Hybrid Kerr All-Optical Switch Based on Photonic Crystal Slot Nanobeam Cavity

   Presenter: Yizheng Chen, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology, China

    Presentation Details   Paper

   A silicon-based Kerr all-optical switch utilizing PhC slot nanobeam cavity hybrid MEH-PPV is first demonstrated at 20 Gb/s signal rate with a power consumption of 85 fJ/bit and a switching contrast of 11.75 dB.Authors: Yizheng Chen, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Xiaoyan Gao, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Wentao Gu, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Wentao Ye, State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University) / Yilun Wang, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Wenchan Dong, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Lei Lei, State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University) / Jing Xu, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Xinliang Zhang, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology
5. 15:15 - 15:30
   M3G.5

   Triple-Waveguide-Coupling Based Reconfigurable Optical Power Splitter for Channel-Scalable Optical Interconnects With High Energy Efficiency

   Presenter: xinyi wang, sjtu, China

    Presentation Details   Paper

   A triple-waveguide-coupling based reconfigurable optical power splitter is demonstrated for 1-to-15 channel-scalable optical interconnects leveraging only four switching elements, exhibiting no power wasting, low crosstalk and indicating significant potential for large-scale capacity reconfiguration scenarios.Authors: xinyi wang, sjtu / jiangbing Du, sjtu / Wenjia Zhang, sjtu / ke xu, Department of Electronic and Information Engineering, Harbin Institute of Technology (Shenzhen) / Zuyuan he, sjtu
6. 15:30 - 16:00
   M3G.6

   Advances in Metamaterial Integrated Photonics

   Presenter: Jens Schmid, National Research Council Canada, Canada

    Presentation Details   Paper

   Invited

   We provide an overview of recent developments in metamaterial integrated optics including ring resonators and grating couplers on silicon nitride, wide-angle optical antennas and phased arrays. We briefly discuss the emerging field of Mie-resonant metawaveguides.Authors: Jens Schmid, National Research Council Canada / Pavel Cheben, National Research Council Canada / Jianhao Zhang, National Research Council Canada / Radovan Korcek, National Research Council Canada / Md Saad-Bin-Alam, National Research Council Canada / Ross Cheriton, National Research Council Canada / Siegfried Janz, National Research Council Canada / Dan-Xia Xu, National Research Council Canada / Shurui Wang, National Research Council Canada / Martin Vachon, National Research Council Canada / Rubin Ma, National Research Council Canada / Robert Halir, University of Malaga / Gonzalo Wanguemert-Perez, University of Malaga / Alejandro Ortega-Monux, University of Malaga / Inigo Molina-Fernandez, University of Malaga / Alejandro Sanchez-Postigo, University of Malaga / Jose-Manuel Luque-Gonzalez, University of Malaga / Alejandro Fernandez-Hinestrosa, University of Malaga / Daniele Melati, Universite Paris-Saclay / Zindine Mokeddem, Universite Paris-Saclay / Carlos Alonso-Ramos, Universite Paris-Saclay / Laurent Vivien, Universite Paris-Saclay / Winnie Ye, Carleton University / Shahrzad Khajavi, Carleton University / william Fraser, Carleton University / Daniel Benedikovic, University of Zilina / Denizhan Sirmaci, University of Jena / Isabelle Staude, University of Jena / Thomas Pertsch, University of Jena / Cameron Naraine, McMaster University / Jonathan Bradley, McMaster University / Andrew Knights, McMaster University / Thalia Dominguez-Bucio, University of Southampton / Frederic Gardes, University of Southampton

Sensing and Monitoring for Network Control and Management

1. 14:00 - 14:30
   M3H.1

   Sensing, Learning, and Protecting Optical Networks

   Presenter: Patricia Layec, Nokia Bell Labs, France

    Presentation Details   Paper

   Invited

   We review recent advances in monitoring and sensing via coherent receivers highlighting use cases for visualizing network health and protecting optical networks through machine learning for risky event classification.Authors: Patricia Layec, Nokia Bell Labs / Camille Delezoide, Nokia Bell Labs / Khouloud Abdelli, Nokia Bell Labs / Fabien Boitier, Nokia Bell Labs
2. 14:30 - 14:45
   M3H.2

   Supporting Human-to-Machine Applications in Next-Gen Optical Access Networks Through Explainable AI

   Presenter: Yuxiao Wang, University of Melbourne, Australia

    Presentation Details   Paper

   We propose a novel SHAP-enhanced haptic feedback prediction framework to extract key feature knowledge and advance predicted transmissions of human-to-machine applications. Through experiments and simulations, the framework shows significantly improved training and inference times and propagation delay, meeting latency requirements.Authors: Yuxiao Wang, University of Melbourne / SOURAV MONDAL, University of Melbourne / Ye Pu, University of Melbourne / Elaine Wong, University of Melbourne
3. 14:45 - 15:00
   M3H.3

   Correlation-Constrained Topology Graphs for Root-Cause Localization in Optical Transport Networks

   Presenter: Armen Aghasaryan, Nokia Bell Labs, France

    Presentation Details   Paper

   Leveraging the network topology, we develop an efficient graph-based method for localizing root causes of massive anomaly events; we adapt the Betweenness Centrality metric to score the candidate root causes of correlated timeseries.Authors: Armen Aghasaryan, Nokia Bell Labs / Petros Ramantanis, Nokia Bell Labs / Camille Delezoide, Nokia Bell Labs
4. 15:00 - 15:15
   M3H.4

   In-Band Collection and Control of end-to-end Latency in Programmable Packet-Optical Networks

   Presenter: Andrea Sgambelluri, Scuola Superiore Sant'Anna, Italy

    Presentation Details   Paper

   A novel programmable INT collector, acting as active controller within the data plane, is proposed to enable fast closed-loop flow latency monitoring. Experimental evaluation on P4-based hardware switches demonstrates assurance reactions within few microseconds.Authors: Faris Alhamed, Scuola Superiore Sant'Anna / Andrea Sgambelluri, Scuola Superiore Sant'Anna / Chrysa Papagianni, Universiteit van Amsterdam / Francesco Paolucci, CNIT
5. 15:15 - 15:30
   M3H.5

   Alarm Priority Sorting With Multimodal Data Fusion in Optical Networks

   Presenter: Cheng Xing, Beijing University of Posts & Telecom, China

    Presentation Details   Paper

   An alarm priority sorting scheme using multimodal data fusion is proposed, achieving 95.79% fault-related alarm classification accuracy, which has actual alarm priority ranking result and faster running time than traditional method.Authors: Cheng Xing, Beijing University of Posts & Telecom / Chunyu Zhang, Beijing University of Posts & Telecom / Min Zhang, Beijing University of Posts & Telecom / Yanlin Fan, The Intelligent Network Innovation Center of Chinaunicom / Xunjie Jiang, The Intelligent Network Innovation Center of Chinaunicom / Zhongbo Bi, The Intelligent Network Innovation Center of Chinaunicom / Jiansheng Xiong, The Intelligent Network Innovation Center of Chinaunicom / Danshi Wang, Beijing University of Posts & Telecom
6. 15:30 - 15:45
   M3H.6

   Real-Time Streaming Telemetry Based Detection and Mitigation of OOK and Power Interference in Multi-User OSaaS Networks

   Presenter: Agastya Raj, Trinity College Dublin, Ireland

    Presentation Details   Paper

   We present a framework to identify and mitigate rogue OOK signals and user-generated power interference in a multi-user Optical-Spectrum-as-a-Service network. Experimental tests on the OpenIreland-testbed achieve up to 89% detection rate within 10 seconds of an interference event.Authors: Agastya Raj, Trinity College Dublin / Devika Dass, Trinity College Dublin / Daniel Kilper, Trinity College Dublin / Marco Ruffini, Trinity College Dublin

Optical Switches for Datacenters

1. 14:00 - 15:00
   M3I.1

   Photonic Switching in Data Centers and Computing Systems

   Presenter: S. J. Ben Yoo, University of California Davis, United States

    Presentation Details

   Tutorial

   Abstract not available.Authors: S. J. Ben Yoo, University of California Davis
2. 15:00 - 15:15
   M3I.2

   First Demonstration of Net 2.276Pbit/s Real-Time Co-Frequency Co-Time Full-Duplex Optical Switching Network Node

   Presenter: Linbojie Huang, Pengcheng Laboratory, China

    Presentation Details   Paper

   We report the first real-time co-frequency co-time full-duplex optical switching network node using 400G and 800G mixed commercial coherent optical modules with ultra-high net capacity of 2.276Pbit/s for intra data center switching network application.Authors: Linbojie Huang, Pengcheng Laboratory / Peng Sun, Pengcheng Laboratory / Zichen Liu, Pengcheng Laboratory / Zhongyi Li, Pengcheng Laboratory / Chao Li, Pengcheng Laboratory / Songyuan Hu, Pengcheng Laboratory / Yunhong Liu, Pengcheng Laboratory / Ji Wang, Pengcheng Laboratory / Ming Luo, China Information Communication Technologies Group Corporation (CICT) / Songtao Chen, Fiberhome Telecommunication Technologies Co., Ltd / Zhixue He, Pengcheng Laboratory / Shaohua Yu, Pengcheng Laboratory
3. 15:15 - 15:30
   M3I.3

   Experimental Demonstration of DWDM-SDM Amplification Transmission and Optical Switching (150-km MCF+ Silicon Chip+ 120-km MCF) Assisted by MCF-EDFA and Silicon Switch Array

   Presenter: guofeng Yan, HUST, China

    Presentation Details   Paper

   We propose and demonstrate the DWDM-SDM amplification transmission and optical switching system (150-km MCF-Chip-120-km MCF) with 4×175×24.5 Gbaud QPSK signals in C-band, employing 4-core EDFAs for amplification and silicon chip for optical processingAuthors: guofeng Yan, HUST / Kang Li, HUST / Bing Han, HUST / Lei Shen, YOFC / Shuo Xu, YOFC / Li Zhang, YOFC / Lei Zhang, YOFC / Jun Chu, YOFC / Jie Luo, YOFC / Jian Wang, HUST

Lasers and Ranging

1. 14:00 - 14:15
   M3J.1

   Highly Linear and Stable III-v/Si₃N₄ FMCW Laser Equipped With a Customized Electro-Optical Phase-Locked Loop

   Presenter: Keyi Han, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   Top Scored

   We demonstrate a high-performance FMCW laser source comprising a III-V/Si3N4 hybrid laser and an EO-PLL. The ranging precision is significantly improved from 4.44 m to 10.28 cm at a 300-m fiber length.Authors: Keyi Han, Shanghai Jiao Tong University / Ruiyang Xu, Shanghai Jiao Tong University / Yuyao Guo, Shanghai Jiao Tong University / Weihan Xu, Shanghai Jiao Tong University / Xinhang Li, Shanghai Jiao Tong University / Yihao Fan, Shanghai Jiao Tong University / Liangjun Lu, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University / Linjie Zhou, Shanghai Jiao Tong University
2. 14:15 - 14:30
   M3J.2

   A Novel on-Chip Bridged Balanced Photodetector With High Common-Mode Rejection Ratio (~49dB) for FMCW LiDAR

   Presenter: Xuetong Li, Jilin University, China

    Presentation Details   Paper

   We reported a bridge balanced photodetector that increases the common mode rejection ratio by 20 dB at 1550 nm, reaching 49 dB, and improves the signal-to-noise ratio for frequency modulated continuous wave LiDAR.Authors: Xuetong Li, Jilin University / Huan Qu, Jilin University / Weipeng Wang, Jilin University / heming hu, Jilin University / Ziming Wang, Jilin University / Baisong Chen, Jilin University / Yingzhi Li, Jilin University / Xiaolong Hu, Jilin University / Xueyan Li, Jilin University / Guo-Qiang Lo, Jilin University / Junfeng Song, Jilin University
3. 14:30 - 14:45
   M3J.3

   LiDAR Chip-Based Ranging and Velocity Through Timing Jitter Correction

   Presenter: Shih-Hsiang Hsu, National Taiwan Univ of Science & Tech, Taiwan

    Presentation Details   Paper

   Through low-dispersion silica-based auxiliary interferometry with 1.6-meter optical-path difference, 12.5-times shorter than the measured distance, a silicon-based LiDAR is demonstrated for the 20-meter ranging and 200-mm/s velocity, limited to swept-source linewidth, through optical-clock Hilbert-transform resampling.Authors: Jia-Yan Huang, National Taiwan Univ of Science & Tech / Cheng-Chi Hsiao, National Taiwan Univ of Science & Tech / Ming-Yang Hung, National Taiwan Univ of Science & Tech / Shih-Hsiang Hsu, National Taiwan Univ of Science & Tech
4. 14:45 - 15:00
   M3J.4

   C- and L-Band Tunable Integrated Erbium Lasers via Scalable Manufacturing

   Presenter: Xuan Yang, École Polytechnique Fédérale de Lausanne, Switzerland

    Presentation Details   Paper

   We demonstrate an integrated Erbium-based tunable laser using wafer-scale fabrication and ion implantation of silicon nitride photonic integrated circuits. We achieve single-frequency lasing tunable from 1530 nm to 1621 nm covering nearly the entire optical C- and L-band.Authors: Xinru Ji, École Polytechnique Fédérale de Lausanne / Yang Liu, École Polytechnique Fédérale de Lausanne / Xuan Yang, École Polytechnique Fédérale de Lausanne / Zheru Qiu, École Polytechnique Fédérale de Lausanne / Grigory Lihachev, École Polytechnique Fédérale de Lausanne / Simone Bianconi, École Polytechnique Fédérale de Lausanne / Andrey Voloshin, École Polytechnique Fédérale de Lausanne / Taegon Kim, Applied Materials Inc / Joseph C.Olson, Applied Materials Inc / Tobias Kippenberg, École Polytechnique Fédérale de Lausanne
5. 15:00 - 15:30
   M3J.5

   Quantum Dot Lasers on Silicon Photonics

   Presenter: Xuhan Guo, Shanghai Jiao Tong University, China

    Presentation Details

   Invited

   Silicon photonics excels in data communications, sensing, and computing but faces challenges in lasing. This report demonstrates monolithic integration of InAs/GaAs quantum dot lasers on SOI substrates, offering a scalable, cost-effective path for full wafer-scale photonic circuits.Authors: Xuhan Guo, Shanghai Jiao Tong University
6. 15:30 - 15:45
   M3J.6

   A Zero-Change Isolator-Replacement Circuit in Silicon-on-Insulator Leveraging Controlled Self-Injections

   Presenter: Sudip Shekhar, University of British Columbia, Canada

    Presentation Details   Paper

   A silicon photonic circuit enables amplitude- and phase-controlled self-injections to stabilize a hybrid-integrated DFB laser. Isolator-free signaling at 25 Gbps over a fiber link is demonstrated.Authors: Omid Esmaeeli, University of British Columbia / Lukas Chrostowski, University of British Columbia / Sudip Shekhar, University of British Columbia
7. 15:45 - 16:00
   M3J.7

   Ultra-Low Bit Error Rate Plastic Optical Fiber Link With Enhanced Optical Return Loss Tolerance and Alignment Robustness for Advanced PAM4 Transceiver Design

   Presenter: Kenta Muramoto, Keio University, Japan

    Presentation Details   Paper

   Ultra-low bit error rate graded-index plastic optical fiber link with enhanced optical return loss tolerance and alignment robustness is proposed, enabling simplified PAM4 transceiver design and offering a cost-effective solution for data center interconnects.Authors: Kenta Muramoto, Keio University / Yasuhiro Koike, Keio University

Modulators with Silicon and Alternative Materials

1. 14:00 - 14:15
   M3K.1

   A 336 Gbps Traveling-Wave Mach-Zehnder Modulator in a 300 mm Silicon Photonic Platform

   Presenter: Fenghe Yang, Zhangjiang Laboratory, China

    Presentation Details   Paper

   A high-speed traveling-wave Mach-Zehnder modulator is designed and wafer-scale fabricated in a 300 mm silicon photonic platform, achieving 336 Gbps of PAM-8 operation and high-efficiency of 1.1 V-cm at 1310 nm.Authors: Erse Jia, Zhangjiang Laboratory / Fenghe Yang, Zhangjiang Laboratory / Yufei Liu, Zhangjiang Laboratory / Ying Wang, Zhangjiang Laboratory / Yue Zhou, Zhangjiang Laboratory / Xiao Hu, Zhangjiang Laboratory / Xinran Zhao, Zhangjiang Laboratory / Wei Chu, Zhangjiang Laboratory / Haiwen Cai, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
2. 14:15 - 14:30
   M3K.2

   Thin-Film Lithium Niobate Modulators With Ultra-High Modulation Efficiency

   Presenter: Jinsong Xia, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology, China

    Presentation Details   Paper

   We demonstrate a transparent-conductive-oxide combined thin-film lithium niobate modulator with an ultra-high modulation efficiency of 1.02 V cm. The modulator exhibits an EO 3 dB transmission roll-off at 108 GHz, and presents up to 224 Gbit s-1 PAM-4 transmission.Authors: Xiangyu Meng, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Can Yuan, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Xingran Cheng, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Shuai Yuan, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Chenglin Shang, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / An Pan, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Zhicheng Qu, Wuhan National Lab for Optoelectronics / Xuanhao Wang, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Jun Wang, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Jiang Tang, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Chao Chen, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Cheng Zeng, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology / Jinsong Xia, Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information, Huazhong University of Science and Technology
3. 14:30 - 15:00
   M3K.3

   Silicon Photonics Platform With Heterogeneously Integrated Lasers and EAMs for 1.6/3.2T

   Presenter: Erik Norberg, OpenLight Photonics, United States

    Presentation Details   Paper

   Invited

   We review Openlight's open-market Si-IIIV photonics platform, including DFBs and EAMs capable of exceeding 224 Gbps. This platform can enable single-chip transmitter PICs for emerging 1.6 Tbps and 3.2 Tbps transceivers in the AI-driven market.Authors: Erik Norberg, OpenLight Photonics / Hanxing Shi, OpenLight Photonics / John Sonkoly, OpenLight Photonics / Kimchau Nguyen, OpenLight Photonics / Han Yun, OpenLight Photonics / Krzysztof Szczerba, OpenLight Photonics / Molly Piels, OpenLight Photonics / Steve Alleston, OpenLight Photonics / Volkan Kaman, OpenLight Photonics
4. 15:00 - 15:15
   M3K.4

   112 GBaud PAM4 Barium Titanate Coupling Modulated Ring Modulator Monolithically Integrated on a Silicon Substrate

   Presenter: Benton Qiu, McGill, Canada

    Presentation Details   Paper

   We demonstrate a BTO coupling modulated ring modulator featuring a 500 μm phase shifter, 4.8 V Vπ with < 1 dB insertion loss enabling ultra-dense and low power consumption optical interfaces delivering 112 GBaud PAM4.Authors: Benton Qiu, McGill / Charles St. Arnault, McGill / Weijia Li, McGill / Jinsong Zhang, McGill / Aleksandar Nikic, McGill / Santiago Bernal, McGill / Zixian Wei, McGill / Kaibo Zhang, McGill / Thomas Kornher, Lumiphase AG / Cyriel Minkenberg, Lumiphase AG / Felix Eltes, Lumiphase AG / Mateusz Zbik, Lumiphase AG / Stefan Abel, Lumiphase AG / Katelin Smith, Lumiphase AG / Lukas Czornomaz, Lumiphase AG / David Plant, McGill
5. 15:15 - 15:30
   M3K.5

   A 290 Gbps Silicon Photonic Microring Modulator With 83 aJ/bit Power Consumption

   Presenter: Fenghe Yang, Zhangjiang Laboratory, China

    Presentation Details   Paper

   We design and experimentally demonstrate a microring modulator based on a 300 mm silicon photonic platform, achieving 112 GBaud of PAM-4 and PAM-6 operation with the power consumption of 114 aJ/bit and 83 aJ/bit respectively.Authors: Xin Wang, Fudan University / Fenghe Yang, Zhangjiang Laboratory / Yufei Liu, Zhangjiang Laboratory / Ying Wang, Zhangjiang Laboratory / Fangchen Hu, Zhangjiang Laboratory / Xinran Zhao, Zhangjiang Laboratory / Wei Chu, Zhangjiang Laboratory / Haiwen Cai, Shanghai Institute of Optics and Fine Mechanics
6. 15:30 - 15:45
   M3K.6

   Differential Drive EML With P/N Electrode Isolated Toward Low Vpp Application

   Presenter: Mahui Li, Yuanjie Semiconductor Technology CO., LT., China

    Presentation Details   Paper

   Differential drive EML with P doping isolation at N side was demonstrated. The bandwidth is higher than 50 GHz and reflection is lower than -10 dB at both anode and cathode drive condition. The bandwidth of conventional single-ended-drive EML is greater than 60 GHz, and the reflection is less than -5 dB in the range of 0~70 GHz.Authors: Zhenning Zhang, Yuanjie Semiconductor Technology CO., LT. / Weijiang Li, Yuanjie Semiconductor Technology CO., LT. / Mahui Li, Yuanjie Semiconductor Technology CO., LT. / Wei Wang, Yuanjie Semiconductor Technology CO., LT.
7. 15:45 - 16:00
   M3K.7

   DSP-Free 500-Meter Single-Mode Fiber Transmission With Record High Bandwidth 1060nm Intra-Cavity Metal-Aperture Coupled-Cavity VCSEL

   Presenter: Fumio Koyama, Institute of Science Tokyo, Japan

    Presentation Details   Paper

   We demonstrate 500-meter single-mode-fiber transmission using record-breaking 45-GHz modulation bandwidth, single-mode 1060-nm VCSELs with an intra-cavity metal aperture structure. We achieve NRZ-100 Gbps and PAM-180 Gbps data transmission over 500m of SMF with DSP-free receivers.Authors: Hameeda Ibrahim, Institute of Science Tokyo / Ahmed Hassan, Institute of Science Tokyo / Chang Ge, Institute of Science Tokyo / Xiaodong Gu, Institute of Science Tokyo / Fumio Koyama, Institute of Science Tokyo

Demo Zone

Generative AI in Networking: From Proof of Concept to Production II

1. 16:30 - 16:50
   M4A.1

   Machine Learning Based Physical Layer Monitoring

   Presenter: Seb J. Savory, University of Cambridge, United Kingdom

    Presentation Details

   Invited

   We review progress on machine learning for physical layer monitoring with a focus on Gaussian progress regression for nonlinear signal-to-noise estimation and amplifier characterization. We also discuss hybrid models to improve interpretability of ML models.Authors: Seb J. Savory, University of Cambridge
2. 16:50 - 17:10
   M4A.2

   New Performance Monitoring Capabilities at Physical Layer

   Presenter: Zhiping Jiang, Huawei Technologies Canada Co. Ltd., Canada

    Presentation Details   Paper

   Invited

   Optical performance monitoring is critical in optical network optimization and fault classification/localization. In this presentation, the emerging monitoring techniques, such as pilot tone-based, Rx-side LPM-based monitoring, and Rx-based fault diagnosis framework, are reviewed.Authors: Zhiping Jiang, Huawei Technologies Canada Co. Ltd. / Choloong Hahn, Huawei Technologies Canada Co. Ltd. / Junho Chang, Huawei Technologies Canada Co. Ltd. / Qingyi Guo, Huawei Technologies Canada Co. Ltd.
3. 17:10 - 17:30
   M4A.3

   Design Principle of Fiber-Longitudinal Power Monitor

   Presenter: Takeo Sasai, NTT, Japan

    Presentation Details   Paper

   Invited

   We present the design principle of longitudinal power monitor. Analogous to the communication theory, we analytically show that the position-wise SNR fundamentally determines performance metrics such as minimum detectable loss and dynamic range.Authors: Takeo Sasai, NTT
4. 17:30 - 17:50
   M4A.4

   Digital Twin Optical Networks Aided by DSP-Based Longitudinal Power Profile Monitoring

   Presenter: Inwoong Kim, Fujitsu Network Communications Inc, United States

    Presentation Details

   Invited

   Transmission link monitoring and actual physical parameters are essential for digital twin in optical networks. Receiver-side DSP enables not only monitoring longitudinal power profiles but also extracting physical parameters of transmission links.Authors: Inwoong Kim, Fujitsu Network Communications Inc / Olga Vassilieva, Fujitsu Network Communications Inc / Paparao Palacharla, Fujitsu Network Communications Inc
5. 17:50 - 18:10
   M4A.5

   Generative AI for Distributed Acoustic Sensing Event Classification in Telecom Networks

   Presenter: Ming-Fang Huang, NEC Laboratories America Inc., United States

    Presentation Details

   Invited

   Distributed fiber-optic sensing and machine learning enable continuous monitoring and protection of telecom networks. We evaluate the discriminative ability of generative models, which facilitates additional features such as selective classification, uncertainty quantification, and robustness.Authors: Ming-Fang Huang, NEC Laboratories America Inc.
6. 18:10 - 18:30
   M4A.6

   Beyond Optical Layer Monitoring: Exploring the Full Potential of Coherent Signal Processing

   Presenter: Matheus Ribeiro Sena, Deutsche Telekom AG, Germany

    Presentation Details

   Invited

   Extracting information from Rx-DSP can revolutionize optical fiber network monitoring. Beyond monitoring, it enhances QoT estimation, digital twin modeling, and network security. This talk explores the broader potential of coherent signal processing for optical networks.Authors: Matheus Ribeiro Sena, Deutsche Telekom AG / Abdelrahmane Moawad, Fraunhofer Heinrich Hertz Institute / Robert Emmerich, Fraunhofer Heinrich Hertz Institute / Behnam Shariati, Fraunhofer Heinrich Hertz Institute / Philipp Nöckel, Deutsche Telekom AG / Andreas Gladisch, Deutsche Telekom AG / Rainer Schatzmayr, Deutsche Telekom AG / Ralf-Peter Braun, Orbit GmbH / Johannes K. Fischer, Fraunhofer Heinrich Hertz Institute / Ronald Freund, Fraunhofer Heinrich Hertz Institute

Datacenter Interconnect

1. 16:30 - 17:30
   M4C.1

   IM-DD vs. Coherent in Datacenters: a Revisit in 2025

   Presenter: Xiang Zhou, Google LLC, United States

    Presentation Details   Paper

   Tutorial

   The rise of LLMs is driving explosive growth in datacenter bandwidth demand.This tutorial examines the scaling limitations of IM-DD based optical technologies and how datacenter-reach optimized coherent optics can address some of these challengesAuthors: Xiang Zhou, Google LLC
2. 17:30 - 17:45
   M4C.2

   Demonstration of 12.3-THz Wide-Bandwidth Tunable CFP2 Coherent Transceiver Operating at C6T+L6T Band

   Presenter: Hao liu, China Telecom Beijing Research Institute, China

    Presentation Details   Paper

   We present a 130GBaud-based CFP2-DCO with nominal frequency tuning range from 184.35THz to 196.65THz. Experiment results show that the laser output is greater than 16.5dBm, and the maximum BtB OSNR tolerance in 400Gbit/s DP-QPSK is 16.79dB.Authors: Hao liu, China Telecom Beijing Research Institute / Xia Sheng, China Telecom Beijing Research Institute / Tianyang Zhao, ZTE Corporation / Qianli Ma, ZTE Photonics Technology Co. Ltd. / Anxu Zhang, China Telecom Beijing Research Institute / Kai Lv, China Telecom Beijing Research Institute / Lipeng Feng, China Telecom Beijing Research Institute / Yuyang Liu, China Telecom Beijing Research Institute / Xishuo Wang, China Telecom Beijing Research Institute / Xiaoli Huo, China Telecom Beijing Research Institute / Shuhai Li, Yangtze OpticaFibre and Cable Joint Stock Limited Company (YOFC)
3. 17:45 - 18:00
   M4C.3

   Bidirectional 3.2T (400Gb/s/λ×4λ×2) Optical Interconnect Enabled by 1.4 km NANF and PS-PAM16 With Linear FFE

   Presenter: Chao Li, Pengcheng Laboratory, China

    Presentation Details   Paper

   Bidirectional optical interconnect link for beyond 3.2T application in C-band is proposed and experimentally demonstrated for the first time, enabled by high-performance NANF and probabilistic shaping 4Lambda 116GBaud PAM16 with linear equalizer only.Authors: Chao Li, Pengcheng Laboratory / Zichen Liu, Pengcheng Laboratory / Peng Sun, Pengcheng Laboratory / Songyuan Hu, Pengcheng Laboratory / Xumeng Liu, Pengcheng Laboratory / Qibing Wang, Pengcheng Laboratory / yingying Wang, Jinan University / Wei Ding, Jinan University / Zhixue He, Pengcheng Laboratory / Shaohua Yu, Pengcheng Laboratory
4. 18:00 - 18:30
   M4C.4

   From 400G to 1600G - Cloud Scale Deployment and Intelligent Operation of Inter-Datacenter Coherent Links

   Presenter: Yishu Zhou, Microsoft, United States

    Presentation Details   Paper

   Invited

   This paper discusses the transition from 400ZR to 1600ZR technology, emphasizing the need for robust forward error correction (FEC) mechanisms to maintain performance margins. The paper also explores intelligent operation using automated tools and AI to handle link failures, ensuring seamless data transfer and network reliability. The findings highlight the significance of 1600ZR technology in meeting the bandwidth demand and enabling next-generation AI-driven applications.Authors: Chuan Qin, Microsoft / Yishu Zhou, Microsoft / Binbin Guan, Microsoft / Ben Foo, Microsoft / Sasha Gazman, Microsoft / Matthew Tuggle, Microsoft / Jian Kong, Microsoft / Yawei Yin, Microsoft / Avinash Pathak, Microsoft / Deepak Garg, Microsoft / Deshraj Verma, Microsoft / Mounika Banda, Microsoft / Jeetesh Jain, Microsoft / Jamie Gaudette, Microsoft

Optical and Microwave Signal Processing

1. 16:30 - 16:45
   M4D.1

   Broadband Tunable Multi-Cavity Optoelectronic Oscillation on a Dispersion-Diversity Heterogeneous Multicore Fiber

   Presenter: Sergi García Cortijo, Universitat Politècnica de València, Spain

    Presentation Details   Paper

   We report broadband tunable multi-cavity optoelectronic oscillators implemented on a 5-km dispersion-diversity heterogeneous multicore fiber. We experimentally demonstrate continuous 10- to 18-GHz oscillation and prove that oscillation frequency stability improves with the number of cavitiesAuthors: Sergi García Cortijo, Universitat Politècnica de València / Ivana Gasulla, Universitat Politècnica de València
2. 16:45 - 17:00
   M4D.2

   Linearization of a Dual-Parallel Mach-Zehnder Modulator Using on-Chip Stimulated Brillouin Scattering

   Presenter: Cristina Catalá-Lahoz, Universitat Politècnica de València, Spain

    Presentation Details   Paper

   We propose and demonstrate the linearization of a Dual-Parallel Mach-Zehnder Modulator by frequency-selectively controlling the phase and amplitude of the carrier utilizing a dual-pump, narrowband on-chip Stimulated Brillouin Scattering scheme.Authors: Cristina Catalá-Lahoz, Universitat Politècnica de València / Moritz Merklein, The University of Sydney / Choon Kong Lai, The University of Sydney / Duk Yong Choi, The Australian National University / Stephen Madden, The Australian National University / Benjamin Eggleton, The University of Sydney / Jose Capmany, Universitat Politècnica de València
3. 17:00 - 17:15
   M4D.3

   Integrated Silicon Nitride Nonlinear Photonic Engine Enabling High-Frequency Analog Signal Generation for Microwave Photonic Systems

   Presenter: PING ZHAO, Sichuan University, China

    Presentation Details   Paper

   We present a flexible generation of various high-frequency analog signals with excellent wavelength scalability using a nonlinear Mach-Zehnder modulator enabled by a compact silicon nitride chip with 4π nonlinear phase shifts for the first time.Authors: PING ZHAO, Sichuan University / Magnus Karlsson, Chalmers University of Technology / Peter Andrekson, Chalmers University of Technology
4. 17:15 - 17:30
   M4D.4

   Ultra-Broadband Photonics-Assisted Integrated Microwave Identification Circuit

   Presenter: Zhujun Wei, Zhejiang University, China

    Presentation Details   Paper

   We proposed an ultra-broadband silicon-based microwave photonic signal identification circuit, which can analyze the arbitrary microwave signal over the frequency range from 2 to 125 GHz with resolution of 270 MHz.Authors: Shengyu Fang, Zhejiang University / Xingyi Jiang, Zhejiang University / Qiang Zhang, Zhejiang lab / Qikai Huang, Zhejiang University / Zhujun Wei, Zhejiang University / Yuchen Shi, Zhejiang University / Jianyi Yang, Zhejiang University / Hui Yu, Zhejiang lab
5. 17:30 - 18:00
   M4D.5

   Signal Processing for Microcomb Communications

   Presenter: Bill Corcoran, Monash University, Australia

    Presentation Details   Paper

   Invited

   We review a range of signal processing tools that can help optical microcombs support data rates from tens of terabits-per-second to petabits-per-second. By understanding both electronic and optical signal processes, data rates can be optimized.Authors: Bill Corcoran, Monash University
6. 18:00 - 18:15
   M4D.6

   Electronic-Photonic Integrated Microwave Beamforming Chip for Broadband RF Applications

   Presenter: Yiwei Xie, Zhejiang University, China

    Presentation Details   Paper

   We demonstrate an electronic-photonic microwave beamforming chip which monolithically integrate a 4-channel 5-bit thermally-tunable optical delay lines, photodetectors, and antennas. The chip can operate from 16–20 GHz with a steering range of ±40°.Authors: Yiwei Xie, Zhejiang University / KE WANG, RMIT University / Daoxin Dai, Zhejiang University / Shihan Hong, Zhejiang University / Jiachen Wu, Zhejiang University
7. 18:15 - 18:30
   M4D.7

   Demonstration of a Silicon Nitride Optical Beamforming Network Based on Blass-Matrix Architecture

   Presenter: Eva Loukisa Kontonasopoulou, National Technical University of Athens, Greece

    Presentation Details   Paper

   System evaluation of a silicon-nitride-integrated 4x4 Blass-matrix optical beamformer, demonstrating the first-ever error-free single-beam operation at frequencies up to 12 GHz with 1 Gbaud QPSK modulated signals across 30°–150° beam angles. © 2024 The Author(s)Authors: Eva Loukisa Kontonasopoulou, National Technical University of Athens / Efstathios Andrianopoulos, National Technical University of Athens / Adam Raptakis, National Technical University of Athens / Georgios Megas, National Technical University of Athens / Dimitrios Gounaridis, National Technical University of Athens / Adamantia Grammatikaki, National Technical University of Athens / Roelof Timens, LioniX International / Paul Dijk, LioniX International / Lefteris Gounaridis, National Technical University of Athens / Panos Groumas, National Technical University of Athens / Christos Tsokos, National Technical University of Athens / Christos Kouloumentas, National Technical University of Athens / Hercules Avramopoulos, National Technical University of Athens / Chris Roeloffzen, LioniX International

Advanced Fibers and Applications

1. 16:30 - 17:00
   M4F.1

   Reduction of Modal Dispersion Through Mode Permutation in Multi-Mode Fiber Transmission

   Presenter: Giammarco Di Sciullo, Universita degli Studi dell'Aquila, Italy

    Presentation Details   Paper

   Invited

   We investigate mode permutation in a 15-mode fiber system to mitigate modal dispersion, effectively reducing the growth of the intensity impulse response duration with transmission distance, thereby decreasing MIMO-DSP complexityAuthors: Giammarco Di Sciullo, Universita degli Studi dell'Aquila / Divya Shaji, Universita degli Studi dell'Aquila / Menno van den Hout, Eindhoven University of Technology / Georg Rademacher, University of Stuttgart / Ruben Luis, National Institute of Information and Communication Technology / Benjamin Puttnam, National Institute of Information and Communication Technology / Nicolas Fontaine, Nokia Bell Labs / Roland Ryf, Nokia Bell Labs / Haoshuo Chen, Nokia Bell Labs / Mikael Mazur, Nokia Bell Labs / David Neilson, Nokia Bell Labs / Pierre Sillard, Prysmian Group / Frank Achten, Prysmian Group / Jun Sakaguchi, National Institute of Information and Communication Technology / Chigo Okonkwo, Eindhoven University of Technology / Antonio Mecozzi, Universita degli Studi dell'Aquila / Cristian Antonelli, Universita degli Studi dell'Aquila / Hideaki Furukawa, National Institute of Information and Communication Technology
2. 17:00 - 17:15
   M4F.2

   Maximizing Distributed Fiber Sensor Reach With Engineered Backscatter Profiles

   Presenter: Tristan Kremp, OFS Fitel LLC, United States

    Presentation Details   Paper

   We use time domain simulations and experimental data to show how the backscattering profile along a fiber can be optimized to maximize sensor reach while maintaining acceptable attenuation and crosstalk for distributed sensing applications.Authors: Tristan Kremp, OFS Fitel LLC / Zhou Shi, OFS Fitel LLC / Kenneth Feder, OFS Fitel LLC / Paul Westbrook, OFS Fitel LLC
3. 17:15 - 17:45
   M4F.3

   Toward in-Fiber Integrated Optical Signal Control

   Presenter: yoko yamashita, NTT Corp., Japan

    Presentation Details   Paper

   Invited

   Femtosecond (fs) laser inscription is beneficial in terms of integrating multiple functions within an optical fiber. Design basis and bandwidth controllability of a fs laser inscribed wavelength selective add/drop circuit are investigated.Authors: yoko yamashita, NTT Corp. / Masaki Wada, NTT Corp. / Kiyoshi Kamimura, NTT Corp. / Takayoshi Mori, NTT Corp. / Takashi Matsui, NTT Corp. / Kazuhide Nakajima, NTT Corp.
4. 17:45 - 18:00
   M4F.4

   Implementation of Digitally Scanned P-OFDR Using a Digital Coherent Transceiver

   Presenter: Fatima Al-Shaikhli, University of Kansas, United States

    Presentation Details   Paper

   We present a novel measurement technique for P-OFDR with a digitally created linear chirp in the transmitter and vector complex optical field detection to measure the Stokes parameters along the fiber.Authors: Fatima Al-Shaikhli, University of Kansas / Rongqing Hui, University of Kansas
5. 18:00 - 18:30
   M4F.5

   Wavefront Control With Metasurfaces for Optical Fiber Connectivity

   Presenter: Paulo Dainese, Jr., Corning Inc., United States

    Presentation Details

   Invited

   Dielectric metasurfaces enable wavefront and polarization manipulation of light with high spatial resolution, enabling compact devices for high-density optical interconnects. I will review our recent results and future strategies to achieve high efficiency devices.Authors: Paulo Dainese, Jr., Corning Inc.

Networks with Optical Circuit Switching

1. 16:30 - 17:00
   M4H.1

   Large Scale AI Systems With Photonic Connectivity

   Presenter: Larry Dennison, NVIDIA Corp., United States

    Presentation Details

   Invited

   Large scale AI systems are highly optimized and specialized for characteristics of their workloads. The linkage from the AI workloads down to photonic interconnect is not readily apparent but is currently summarized as "use copper where you can, optical where you must". We explore how other attributes such as latency, channel error rates, packaging and power might cause increased photonic adoption.Authors: Larry Dennison, NVIDIA Corp.
2. 17:00 - 17:15
   M4H.2

   Flexible Photonic Memory Pooling Architecture for Efficient Compute Resource Allocation

   Presenter: Zhenguo Wu, Columbia University, United States

    Presentation Details   Paper

   We present a photonic memory pooling architecture and a co-designed optimization methodology for flexible allocation of compute, memory, and network resources. We demonstrate up to 5.4× to 7.5× improvements in DL training and inference time.Authors: Zhenguo Wu, Columbia University / Keren Bergman, Columbia University
3. 17:15 - 17:30
   M4H.3

   Mercury: a Reconfigurable Datacenter Network With Collaborative Optical Timeslot Switching and Optical Circuit Switching

   Presenter: Shi Feng, Beijing University of Posts and Telecomm, China

    Presentation Details   Paper

   We propose and experimentally demonstrate Mercury, a reconfigurable optical-switched network with collaborative optical timeslot and circuit switching paradigms. Experimental results show its nanosecond-granularity reconfiguration and model training acceleration effect through a real-time FPGA-based prototype.Authors: Shi Feng, Beijing University of Posts and Telecomm / Jiawei Zhang, Beijing University of Posts and Telecomm / Huitao Zhou, Beijing University of Posts and Telecomm / Xingde Li, Beijing University of Posts and Telecomm / Yuefeng Ji, Beijing University of Posts and Telecomm
4. 17:30 - 17:45
   M4H.4

   Accelerating Collective Communications With Mutual Benefits of Optical Rackless DC and in-Network Computing

   Presenter: Weichi Wu, Univ. of Science and Technology of China, China

    Presentation Details   Paper

   We propose a novel architecture to explore the mutual benefits of optical rackless data center (ORDC) and in-network computing for accelerating collective communications. It reduces job completion time of MapReduce clusters by 27.4% to 43.3% over traditional ORDC in experiments.Authors: Weichi Wu, Univ. of Science and Technology of China / Xiaoliang Chen, Univ. of Science and Technology of China / Zhihuang Ma, Univ. of Science and Technology of China / Xuexia Xie, Univ. of Science and Technology of China / Ke Meng, Huawei Institute of Nanjing / Weiguang Wang, Huawei Institute of Nanjing / Zuqing Zhu, Univ. of Science and Technology of China
5. 17:45 - 18:00
   M4H.5

   DRL-TPE: Learning to Optimize TPE of Optical Interconnects to Accelerate Hitless Reconfiguration of OCS-Based DCNs

   Presenter: Xiaoliang Chen, Univ. of Science and Technology of China, China

    Presentation Details   Paper

   We leverage deep reinforcement learning (DRL) to optimize the topology engineering of optical circuit switching based data-center networks, such that the hitless reconfiguration to the obtained target physical topology can be finished with the fewest stages. Simulations confirm the benefits of our proposal over the state-of-the-art.Authors: Xiaoliang Chen, Univ. of Science and Technology of China / Wenbang Zheng, Univ. of Science and Technology of China / Shuoning Zhang, Univ. of Science and Technology of China / Xiaoyan Dong, Univ. of Science and Technology of China / Ke Meng, Huawei Institute of Nanjing / Zuqing Zhu, Univ. of Science and Technology of China
6. 18:00 - 18:30
   M4H.6

   Impact of Optical Circuit Switching on AI Clusters

   Presenter: Norman Jouppi, Google LLC, United States

    Presentation Details

   Invited

   Abstract not availableAuthors: Norman Jouppi, Google LLC

Access Network Coexistence and Convergence

1. 16:30 - 16:45
   M4I.1

   Coexistence of Digital Coherent, MmWave and sub-THz Analog RoF Services Using OSaaS Over Converged Access-Metro Live Production Network

   Presenter: Devika Dass, University of Dublin Trinity College, Ireland

    Presentation Details   Paper

   Top Scored

   We demonstrate the end-to-end transmission of digital coherent and analog radio-over-fiber signals, at mmWave and sub-THz frequencies, over the HEAnet live production metro network using Optical Spectrum-as-a-Service (OSaaS), transparently connected to a passive optical network.Authors: Devika Dass, University of Dublin Trinity College / Amol Delmade, Dublin City University / Agastya Raj, University of Dublin Trinity College / Eoin kenny, HEAnet / Daniel Kilper, University of Dublin Trinity College / Liam Barry, Dublin City University / Marco Ruffini, University of Dublin Trinity College
2. 16:45 - 17:00
   M4I.2

   Demonstration of Converged Metro+Access Bidirectional Transmission Using Coherent Transceivers and ROADMs

   Presenter: Giuseppe Rizzelli Martella, Photonext Center, Italy

    Presentation Details   Paper

   We present the experimental demonstration of high-speed transmission in downstream and upstream direction using off-the-shelf coherent transceivers in a 40-channel DWDM metro+access network configuration based on ROADMs for future all-optical metro-access converged solutions.Authors: Giuseppe Rizzelli Martella, Photonext Center / Mariacristina Casasco, Politecnico di Torino / Annachiara Pagano, Fibercop / Emilio Riccardi, Fibercop / Valter Ferrero, Politecnico di Torino / Roberto Gaudino, Politecnico di Torino
3. 17:00 - 17:15
   M4I.3

   Robust Colorless Coherent Receiver for Next-Generation PONs: Coexistence With Legacy Systems and Multi-Wavelength Operation

   Presenter: Haipeng Zhang, CableLabs, United States

    Presentation Details   Paper

   We present a colorless coherent receiver for next-generation coherent PONs, demonstrating its robustness in coexisting with legacy PONs and multiple coherent channels, and provide crucial insights into fiber nonlinearity, channel spacing, and optical power impacts.Authors: Haipeng Zhang, CableLabs / Zhensheng Jia, CableLabs / John Bevilacqua, CableLabs
4. 17:15 - 17:30
   M4I.4

   Demonstration of High-Power PON for Higher Split Ratio and Optical Powering Using a Hollow-Core Fiber

   Presenter: Hironori Yamaji, University of Electro-Communications, Japan

    Presentation Details   Paper

   We demonstrate a high-power 1:256 PON with optical powering using a hollow-core fiber. We have succeeded in transmitting A-RoF signals with input power exceeding 36 dBm and feeding optical power of 40 dBm for powering.Authors: Hironori Yamaji, University of Electro-Communications / Natsuhiro Yamada, University of Electro-Communications / Takeshi Takagi, Furukawa Electric / Kazunori Mukasa, Furukawa Electric / Satoru Okamoto, Keio University / Hiroyuki Tsuda, Keio University / Naoaki Yamanaka, Keio University / Motoharu Matsuura, University of Electro-Communications
5. 17:30 - 17:45
   M4I.5

   SOA Remoting in PON With Minimalistic ONU Receiver

   Presenter: Bernhard Schrenk, Austrian Institute of Technology, Austria

    Presentation Details   Paper

   A remotely-powered SOA-based ODN extender is employed to consolidate distributed optical preamplifiers at the ONUs. An optical budget of 32 dB is supported despite the use of simple and cost-effective 10 Gb/s downstream PIN/TIA receivers.Authors: Bernhard Schrenk, Austrian Institute of Technology
6. 17:45 - 18:15
   M4I.6

   Optimizing Capacity in Converged Access Networks: Design Guidelines for Coherent Optics Integration

   Presenter: Maryam Niknamfar, Charter Communications, United States

    Presentation Details   Paper

   Invited

   This paper presents design considerations for converged access networks, focusing on traffic management strategies and integrating coherent optics to improve spectral efficiency and meet the growing demands for traffic capacity and diverse services.Authors: Maryam Niknamfar, Charter Communications
7. 18:15 - 18:30
   M4I.7

   Quantification of Stimulated Raman Scattering Penalties Induced by Very High Speed PON in Quadruple Coexistence

   Presenter: Philippe Chanclou, Orange, France

    Presentation Details   Paper

   To determine the wavelength plan for VHSP, we study the penalties induced on legacy PONs through Raman scattering. The ~1300nm region seems the best tradeoff for IMDD-VHSP. Regarding S/C/L-bands, removing G-PON would relax the constraints.Authors: Gael Simon, Orange / Jeremy Potet, Orange / Fabienne Saliou, Orange / Dylan chevalier, Orange / Lise Pichard, Orange / Georges Gaillard, Orange / Philippe Chanclou, Orange

Fiber and Chip Coupling Interfaces

1. 16:30 - 16:45
   M4J.1

   Hybrid InP-Si Photonic Integration via 3D-Nanoprinted Non-Waveguided Couplers

   Presenter: Tongyun Li, University of Cambridge, United Kingdom

    Presentation Details   Paper

   We report a novel hybrid InP-Si photonic integration scheme with 3D-nanoprinted couplers, achieving 2.1 dB die-to-die coupling loss over a 100 nm wavelength range. This versatile design is compatible with any material system.Authors: Huiyu Huang, University of Cambridge / Zhitian Shi, University of Cambridge / Richard Penty, University of Cambridge / Qixiang Cheng, University of Cambridge / Tongyun Li, University of Cambridge
2. 16:45 - 17:00
   M4J.2

   Ultra-Compact Reflow-Compatible Detachable Optical Connector for Co-Packaged Optics

   Presenter: Kengo Watanabe, Furukawa Electric Co., Ltd., Japan

    Presentation Details   Paper

   Ultra-compact detachable optical connector for Co-Packaged Optics is developed. The connector demonstrates low insertion loss ≤ 0.4 dB with small variation within ± 0.05 dB in multiple cycles connections and 260 °C reflow-compatibility.Authors: Kengo Watanabe, Furukawa Electric Co., Ltd. / Shosuke Ikeda, Furukawa Electric Co., Ltd. / Yuki Fujimaki, Furukawa Electric Co., Ltd. / Tsunetoshi Saito, Furukawa Electric Co., Ltd. / Masaki Kotoku, Furukawa Electric Co., Ltd.
3. 17:00 - 17:15
   M4J.3

   200 mW High-Power Tolerant Vertically-Coupled Beam-Expanding Lens (VCBEL) for PIC to Fiber Coupling

   Presenter: Yasutaka Mizuno, Sumitomo Electric Industries, Ltd., Japan

    Presentation Details   Paper

   We present vertically-coupled lens for CPO. Coupling efficiency of -1.8 dB and 1 dB alignment tolerance of ±10 μm were achieved, while demonstrating linear characteristic and long-term reliability of 3D-printed resin lens at 200 mW.Authors: Yasutaka Mizuno, Sumitomo Electric Industries, Ltd. / Hiroshi Uemura, Sumitomo Electric Industries, Ltd. / Tomoya Saeki, Sumitomo Electric Industries, Ltd. / Keiji Tanaka, Sumitomo Electric Industries, Ltd. / Katsumi Uesaka, Sumitomo Electric Industries, Ltd.
4. 17:15 - 17:30
   M4J.4

   A Compact and Efficient 2D Grating Coupler for Polarization-Insensitive Fiber-to-Chip I/O

   Presenter: Kaihang Lu, Hong Kong Univ of Sci & Tech (Guangzhou), China

    Presentation Details   Paper

   We experimentally demonstrate a compact and efficient 2D grating coupler fabricated with optical lithography. A fiber-to-chip efficiency of -2.9 dB with a footprint of 55 × 37 μm2 including spot size converters can be achieved.Authors: Wu Zhou, Hong Kong Univ of Sci & Tech (Guangzhou) / Yeyu Tong, Hong Kong Univ of Sci & Tech (Guangzhou) / Kaihang Lu, Hong Kong Univ of Sci & Tech (Guangzhou)
5. 17:30 - 17:45
   M4J.5

   Low-Loss Fan-in/Fan-out Device for Coupled Four-Core Fiber Using a Femtosecond Laser Direct Inscription Technique

   Presenter: fengrui yu, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   We demonstrate low-loss fan-in/fan-out device for 19 μm-core-pitch coupled four-core fiber using a femtosecond laser direct inscription technique, achieving an average insertion loss of 0.49 dB before packaging and 0.92 dB after packaging.Authors: fengrui yu, Shanghai Jiao Tong University / Lin Ma, Shanghai Jiao Tong University / Junjie Xiong, Shanghai Jiao Tong University / Linbin Bai, Shanghai Optoweave Technology Co. / Mingjing Xu, Shanghai Jiao Tong University / Zuyuan he, Shanghai Jiao Tong University
6. 17:45 - 18:00
   M4J.6

   Highly Fabrication Tolerant, High-Power tri-tip SiN Edge Coupler on a CMOS Monolithic SiPh Platform

   Presenter: Yusheng Bian, GLOBALFOUNDRIES, United States

    Presentation Details   Paper

   We report the successful demonstration of several monolithically integrated O-band Vgroove-based multi-tip SiN edge coupler designs with an average 0.5/0.7 dB TE/TM insertion loss, 0.1 dB PDL, high power handling over 280 mW and <-40 dB ORL exceeding IEEE 802.3 standards.Authors: Yusheng Bian, GLOBALFOUNDRIES
7. 18:00 - 18:15
   M4J.7

   Spot-Size-Adjustable Optical Mediator Using 3D-Tapered Silica Waveguides for SiPh/SMF Low-Loss Connection

   Presenter: Masashi Ota, NTT Corporation, Japan

    Presentation Details   Paper

   We propose an optical mediator using 3D-tapered silica waveguides for standard-single-mode fiber to silicon-waveguide connections, achieving adjustable spot sizes (3–9 mm), precise pitch conversion, and <0.7-dB coupling loss for TE-mode in the LAN-WDM band.Authors: Masashi Ota, NTT Corporation / Yoshinori Hibino, NTT Innovative Devices Corporation / Mikihiro Kurosawa, NTT Innovative Devices Corporation / Tomomasa Kiyozawa, NTT Corporation / Ai Yanagihara, NTT Corporation / Yoshie Morimoto, NTT Corporation / Keita Yamaguchi, NTT Corporation / Kenya Suzuki, NTT Corporation / Osamu Moriwaki, NTT Corporation
8. 18:15 - 18:30
   M4J.8

   7×100 Gb/s Multicore Fiber Link Enabled by an Inverse-Designed Dual-Polarization Coupler

   Presenter: Michaël Ménard, École de Technologie Supérieure - ÉTS Montréal, Canada

    Presentation Details   Paper

   We present the first integration of an array of seven freeform dual-polarization SOI couplers with a seven-core fiber featuring a 125 μm cladding diameter, achieving a 7×100 Gb/s error-free multicore link.Authors: Julian Pita Ruiz, École de Technologie Supérieure - ÉTS Montréal / Dipankar Sengupta, École de Technologie Supérieure - ÉTS Montréal / Christine Tremblay, École de Technologie Supérieure - ÉTS Montréal / Ming-Jun Li, Corning / Paulo Dainese, Jr., Corning / Michaël Ménard, École de Technologie Supérieure - ÉTS Montréal

Advancement of Integrated PD and APD

1. 16:30 - 16:45
   M4K.1

   Silicon-Organic Hybrid (SOH) Mach-Zehnder Modulator (MZM) for Single-Carrier IMDD Line Rates of 500 Gbit/s and Beyond

   Presenter: Adrian Schwarzenberger, Karlsruhe Institute of Technology (KIT), Germany

    Presentation Details   Paper

   Top Scored

   We demonstrate PAM4, PAM6, and PAM8 signaling using a 280µm-long SOH MZM. We achieve PAM4 symbol rates of 204GBd and PAM8 line rates of 528Gbit/s (412.5Gbit/s net) – record-high values for devices on the SIP platform.Authors: Adrian Schwarzenberger, Karlsruhe Institute of Technology (KIT) / Dengyang Fang, Karlsruhe Institute of Technology (KIT) / Alexander Kotz, Karlsruhe Institute of Technology (KIT) / Hend Kholeif, Karlsruhe Institute of Technology (KIT) / Christoph Wilhelm, Karlsruhe Institute of Technology (KIT) / Carsten Eschenbaum, SilOriX / Mohamed Kelany, Karlsruhe Institute of Technology (KIT) / Lukas Grünewald, Karlsruhe Institute of Technology (KIT) / Stefan Singer, Karlsruhe Institute of Technology (KIT) / Cheng Feng, SilOriX / Malte Martens, SilOriX / Adrian Mertens, SilOriX / Sidra Sarwar, Karlsruhe Institute of Technology (KIT) / Patrick Kern, Karlsruhe Institute of Technology (KIT) / Masis Sirim, Karlsruhe Institute of Technology (KIT) / Peter Erk, Karlsruhe Institute of Technology (KIT) / Artem Kuzmin, Karlsruhe Institute of Technology (KIT) / Yolita M. Eggeler, Karlsruhe Institute of Technology (KIT) / Stefan Bräse, Karlsruhe Institute of Technology (KIT) / Sebastian Randel, Karlsruhe Institute of Technology (KIT) / Wolfgang Freude, Karlsruhe Institute of Technology (KIT) / Christian Koos, Karlsruhe Institute of Technology (KIT)
2. 16:45 - 17:00
   M4K.2

   100 GHz Ultra-Thin Germanium Photodetector With 1.05 a/W Responsivity at 1550 nm

   Presenter: Xu Wang, Fudan University, China

    Presentation Details   Paper

   We demonstrate lateral-PIN germanium photodetectors with high bandwidth of up to 100 GHz, >0.8 A/W responsivity in the C-band and <20 nA dark current by utilizing ultra-thin germanium technology on CMOS silicon-photonic platform.Authors: Xu Wang, Fudan University / Jinwen Song, Zhangjiang Laboratory / Fengxin Yu, Zhangjiang Laboratory / Fenghe Yang, Zhangjiang Laboratory / Wei Chu, Zhangjiang Laboratory / Haibin Zhao, Fudan University / Haiwen Cai, Zhangjiang Laboratory / XUEZHE zheng, Innolight Technology Research Institute / Hao Wu, Innolight Technology Research Institute / Xiao Hu, Zhangjiang Laboratory
3. 17:00 - 17:15
   M4K.3

   200 GHz Bandwidth Ultrafast Evanescently Coupled Waveguide MUTC-PDs With High Responsivity

   Presenter: mingwei sun, Tsinghua University, China

    Presentation Details   Paper

   Evanescently coupled waveguide modified uni-traveling carrier photodiodes integrated with a multilayer coupling waveguide are presented. The fabricated photodiode with matching resistor exhibits a 3-dB bandwidth of 200 GHz and a high responsivity of 0.62 A/W.Authors: mingwei sun, Tsinghua University / Bing Xiong, Tsinghua University / Changzheng Sun, Tsinghua University / Zhibiao Hao, Tsinghua University / Jian Wang, Tsinghua University / Lai Wang, Tsinghua University / Yanjun Han, Tsinghua University / Hongtao Li, Tsinghua University / Lin Gan, Tsinghua University / Yi Luo, Tsinghua University
4. 17:15 - 17:30
   M4K.4

   Ge/Si APD Receiver With Record-High Sensitivity Exceeding −30 dBm for 50G PON

   Presenter: Hengzhen Cao, Zhejiang University, China

    Presentation Details   Paper

   A high-responsivity, low-dark-current Ge/Si waveguide APD is demonstrated and achieves ultra-high sensitivities of -30.3 dBm and -30.1 dBm at 50Gb/s at 25 °C and 85 °C for the first time. This high-performance device reveals the potential of integrated Ge/Si APDs for high-speed PON applications.Authors: Hengzhen Cao, Zhejiang University / Ning Wang, China Mobile Research Institute / Xu Wang, Huawei Technologies / Wenjun Chen, Huawei Technologies / Qihong Wu, Huawei Technologies / Weichao Sun, Zhejiang University / Zhen Dong, Huawei Technologies / Zhiyong Feng, Huawei Technologies / Zongzhao Zheng, Huawei Technologies / Fan Xu, Huawei Technologies / Daoxin Dai, Zhejiang University
5. 17:30 - 17:45
   M4K.5

   A 112 Gbps Silicon-Germanium Avalanche Photodiode With Ultra-High Gain-Bandwidth Product

   Presenter: Chao Cheng, Xi'an Institute of Optics and Precision, China

    Presentation Details   Paper

   We present a Si-Ge APD with a GBP of 7078 GHz at an input optical power of -24 dBm. It demonstrates sensitivities of -14.9 dBm at 100 Gbps NRZ and -12.8 dBm at 112 Gbps PAM4, both with KP4-FEC.Authors: Chao Cheng, Xi'an Institute of Optics and Precision / Jintao XUE, Xi'an Institute of Optics and Precision / Shenlei Bao, Xi'an Institute of Optics and Precision / Qian Liu, Xi'an Institute of Optics and Precision / Wenfu Zhang, Xi'an Institute of Optics and Precision / Binhao Wang, Xi'an Institute of Optics and Precision
6. 17:45 - 18:00
   M4K.6

   226 Gbps PAM4 Operation Using Differential Drive EA-DFB Laser With 2.0-Vppd Swing Over 10-km SSMF Transmission for 1.6TbE Transceivers

   Presenter: Shuhei Ohno, Lumentum Japan, Inc., Japan

    Presentation Details   Paper

   Top Scored

   The newly developed differential drive EA-DFB confirmed 226 Gbps PAM4 eye opening with 4.8 dB ER by 2.0 Vppd (1.0 Vpp for each SE signal). TDECQ of 2.9dB was achieved after 10 km SSMF transmission with a 3-tap Tx equalizer.Authors: Shuhei Ohno, Lumentum Japan, Inc. / Takanori Suzuki, Lumentum Japan, Inc. / Hideaki Matsuzaki, Lumentum Japan, Inc. / Koichiro Adachi, Lumentum Japan, Inc. / Ryosuke Hatai, Lumentum Japan, Inc. / Ryo Nakao, Lumentum Japan, Inc. / Shinichi Tanaka, Lumentum Japan, Inc. / Atsushi Mimura, Lumentum Japan, Inc. / Takashi Suzuki, Lumentum Japan, Inc. / Noriko Sasada, Lumentum Japan, Inc. / Shigehisa Tanaka, Lumentum Japan, Inc. / Kazuhiko Naoe, Lumentum Japan, Inc.
7. 18:00 - 18:30
   M4K.7

   Ultra-High Gain-Bandwidth Product APD

   Presenter: Yushan Liu, STU, China

    Presentation Details

   Invited

   We present our recent progress on ultrafast germanium/silicon avalanche photodiodes achieving an unprecedented gain-bandwidth product of 1 THz under large bandwidth. Through comprehensive optimizations, further improvement can be expected.Authors: Yu Yu, Huazhong Univ of Science and Technology / Yang Shi, Huazhong Univ of Science and Technology / Xinliang Zhang, Huazhong Univ of Science and Technology / Yushan Liu, STU

Quantum Entanglement and Computing

1. 16:30 - 16:45
   M4E.1

   Nationwide Entanglement Distribution With Silicon Nanophotonic Chip

   Presenter: Jinyi Du, Centre for Quantum Technologies, Singapore

    Presentation Details   Paper

   We developed a silicon chip capable of producing and delivering a detected rate of 460,000 pairs of entangled photons with a fidelity of 97.90(3)% fidelity. The entangled photons were transmitted over 155 km of fiber deployed across Singapore (66 dB loss), demonstrating a major advance in silicon nanophotonics for powering future quantum networks.Authors: Jinyi Du, Centre for Quantum Technologies / XIngjian Zhang, Centre for Quantum Technologies / En Teng Lim, Centre for Quantum Technologies / George Feng Rong Chen, Singapore University of Technology and Design / Hongwei Gao, Singapore University of Technology and Design / Dawn Tan, Singapore University of Technology and Design / Alexander Ling, Centre for Quantum Technologies
2. 16:45 - 17:00
   M4E.2

   High-Fidelity Entanglement Distribution Through Berlin Using an Operator’s Fiber Infrastructure

   Presenter: Matheus Ribeiro Sena, Deutsche Telekom AG, Germany

    Presentation Details   Paper

   We successfully integrated an automated system for distributing entangled photons across a 30-km field-deployed fiber in Berlin. Over a 17-day continuous operation, it achieved >99% fidelity, underscoring its potential for scalable, city-wide quantum networks.Authors: Matheus Ribeiro Sena, Deutsche Telekom AG / Mael Flament, Qunnect / Mehdi Namazi, Qunnect / Shane Andrewski, Qunnect / Gabriel Portmann, Qunnect / Ralf-Peter Braun, Orbit GmbH / Marwa Sayed, Deutsche Telekom AG / Ronny Döring, Deutsche Telekom AG / Michaela Ritter, Deutsche Telekom AG / Oliver Holschke, Deutsche Telekom AG / Marc Geitz, Deutsche Telekom AG
3. 17:00 - 17:15
   M4E.3

   Demonstration of a Digital Twin for an Entanglement-Based Quantum Network

   Presenter: Ruizhi Yang, University of Bristol, United Kingdom

    Presentation Details   Paper

   We implemented a digital twin for an entanglement-based quantum network, demonstrating its ability to accurately mirror network’s performance and experimentally enhance key rates through a DT-assisted control framework for the network executing the BBM92 protocol.Authors: Ruizhi Yang, University of Bristol / Rui Wang, University of Bristol / Marcus Clark, University of Bristol / Jianxiong Tan, University of Bristol / James Tai, University of Bristol / Ronaldo Balram, University of Bristol / Shan Jiang, University of Bristol / Siddarth Joshi, University of Bristol / Dimitra Simeonidou, University of Bristol
4. 17:15 - 17:30
   M4E.4

   Experimental Test of Bell-State Measurement for Narrow-Band Ion-Photon Interfaces in the Quant-net Testbed

   Presenter: Inder Monga, Lawrence Berkeley Lab, United States

    Presentation Details   Paper

   This paper reports Bell-State Measurements using coherent light for testing the suitability of narrow-band ion-cavity interfaces for high-fidelity ion-ion entanglement in the QUANT-NET testbed. It also presents automated control of the experiment setup.Authors: Yin Yue, University of California, Berkeley / Xiang Li, University of California, Berkeley / Damian Schon, University of California, Berkeley / Zhiyuan Chen, University of California, Berkeley / You-Wei Cheah, Lawrence Berkeley Lab / Erhan Saglamyurek, Lawrence Berkeley Lab / Wenji Wu, Lawrence Berkeley Lab / Hartmut Haffner, University of California, Berkeley / Inder Monga, Lawrence Berkeley Lab
5. 17:30 - 17:45
   M4E.5

   Entanglement of up to 6 Photons on a Silicon Photonic Quantum Circuit

   Presenter: Jong-Moo Lee, ETRI, Korea (the Republic of)

    Presentation Details   Paper

   Six-photon entanglement is demonstrated on a silicon photonic circuit integrating spirals, spectral filters, and linear-optic gates for eight path-encoded qubits. The indistinguishability of photons is verified through a 97% Hong-Ou-Mandel visibility measurement.Authors: Jong-Moo Lee, ETRI / Woncheol Shin, ETRI / Taewan Kim, ETRI / Yongsoo Hwang, ETRI
6. 17:45 - 18:00
   M4E.6

   Quantum-Secure Deep Learning in Optical Networks

   Presenter: Kfir Sulimany, MIT, United States

    Presentation Details   Paper

   The demand for cloud-based deep learning has intensified the need for secure computation. Our quantum-secure deep learning protocol leverages quantum properties of light and telecommunication components for scalable, secure cloud-based deep learning in optical networks.Authors: Kfir Sulimany, MIT / Sri Vadlamani, MIT / Ryan Hamerly, MIT / Prahlad Iyengar, MIT / Dirk Englund, MIT
7. 18:00 - 18:15
   M4E.7

   Rerouting in Quantum Wrapper Networks by Monitoring Single-Photon Level Noise

   Presenter: Gamze Gul, Northwestern University, United States

    Presentation Details   Paper

   We demonstrate routing polarization-entangled photon payloads multiplexedwith classical datagram headers. Our testbed quantum network guarantees >77% interferencevisibility as a quality of transmission metric by monitoring single-photon level noisedue to coexisting classical traffic.Authors: mehmet berkay on, University of California, Davis / Roberto Proietti, Politecnico di Torino / Gamze Gul, Northwestern University / Gregory Kanter, Northwestern University / Prem Kumar, Northwestern University / S. J. Ben Yoo, University of California, Davis
8. 18:15 - 18:45
   M4E.8

   (Withdrawn) From Classical to Quantum Datacenter Networks

   Presenter: Stephen DiAdamo, Qoro Quantum, Germany

    Presentation Details

   Invited

   Quantum datacenter networks enable scalable, accessible, quantum computing. In the near-term, classical infrastructure is used, but the ultimate goal is distributed quantum computing. The architectures are detailed and example applications for QDNs are reviewed.Authors: Stephen DiAdamo, Qoro Quantum / Salahedeen Issa, Qoro Quantum / Amana Liaqat, Qoro Quantum / Adrian Roman, Qoro Quantum

Free Space Optical Communications (FSOC)

1. 16:30 - 16:45
   M4G.1

   Demonstration of 29.49 dB Gain in C-Band NLOS Communication Using Masked Adaptive Focusing Shaping

   Presenter: Chaoxu Chen, Fudan University, China

    Presentation Details   Paper

   We experimentally demonstrate a 29.49 dB gain in C-band non-line-of-sight (NLOS) communication using proposed masked adaptive focusing shaping method, achieving the highest reported gain to date. An 8.83 Gbps data rate is successfully reached in a 2.5 GHz-class OWC system with BPL-DMT signal.Authors: Chaoxu Chen, Fudan University / Ziyi Zhuang, Fudan University / Yuan Wei, Fudan University / haoyu zhang, Fudan University / fang dong, Fudan University / Yingjun Zhou, Fudan University / Ziwei Li, Fudan University / Chao Shen, Fudan University / Junwen Zhang, Fudan University / Jianyang Shi, Fudan University / Nan Chi, Fudan University
2. 16:45 - 17:00
   M4G.2

   Real-Time 204Tb/s Mode/Wavelength Division Multiplexing Free-Space Optical Communication Enabled by 800G C6T+L6T-Band Transponder

   Presenter: Chao Li, Pengcheng Laboratory, China

    Presentation Details   Paper

   Top Scored

   Record net 204 Tb/s (850Gb/s/λ×80λ×3mode) real-time optical wireless connectivity over 1.6 m free-space link is experimentally achieved, enabled by C6T+L6T-band 800G transponder and MIMO-free 3-mode MUX/DeMUX.Authors: Songyuan Hu, Pengcheng Laboratory / Peng Sun, Pengcheng Laboratory / Zhimu Huang, Shenzhen University / Chao Li, Pengcheng Laboratory / Juncheng Fang, Shenzhen University / Ting Lei, Shenzhen University / Zichen Liu, Pengcheng Laboratory / Xumeng Liu, Pengcheng Laboratory / Yunhong Liu, Pengcheng Laboratory / Ji Wang, Pengcheng Laboratory / Linbojie Huang, Pengcheng Laboratory / Songtao Chen, Fiberhome Telecommunication Technologies Co., Ltd. / Wei Sun, Sun Yat-sen University / Zhixue He, Pengcheng Laboratory / Shaohua Yu, Pengcheng Laboratory
3. 17:00 - 17:15
   M4G.3

   Bidirectional and Turbulence-Resilient Fi-Wi-Fi Bridge

   Presenter: Florian Honz, AIT, Austria

    Presentation Details   Paper

   Top Scored

   We present a full-duplex 10Gb/s FSO bridge between two single-mode ports, utilizing centralized beamforming and simultaneous channel sounding. We further mitigate turbulence-induced fading through diversity reception enabled by wavelength-set coding.Authors: Florian Honz, AIT / Bernhard Schrenk, AIT
4. 17:15 - 17:30
   M4G.4

   Enhanced Atmospheric Turbulence Resiliency in Free Space Optical Communication (FSOC) With MIMO Programmable Silicon-Photonics Processor

   Presenter: Yin-He Jian, National Yang Ming Chiao Tung University, Taiwan

    Presentation Details   Paper

   Top Scored

   We present an integrated multiple-input-multiple-output (MIMO) programmable silicon-photonics (SiPh) processor, which improves the channel extinction-ratios (ERs) and enables overall data-rate enhancement from 9.75 to 50.7-Gbps. Experiment confirm the processor’s resilience to handle atmospheric turbulence.Authors: Yin-He Jian, National Yang Ming Chiao Tung University / Tun-Yao Hung, National Yang Ming Chiao Tung University / Dan Yi, The Chinese University of Hong Kong / Hon Ki Tsang, The Chinese University of Hong Kong / Chi-Wai Chow, National Yang Ming Chiao Tung University
5. 17:30 - 18:00
   M4G.5

   Wavelength Selection for Resilient Free-Space Optical Communication

   Presenter: Laura Resteghini, Huawei Technologies Italia, Italy

    Presentation Details   Paper

   Invited

   Free Space Optics (FSO) communication is emerging as a promising approach for beyond 5G networks. The selection of the right optical wavelength for the system is a crucial parameter that significantly influences the architecture's definition.Authors: Laura Resteghini, Huawei Technologies Italia / Lorenzo Luini, Polytechnic University of Milan / Carlo Riva, Polytechnic University of Milan / Roberto Nebuloni, CNR-IEIIT, National Research Council / Gianluca Galzerano, CNR-IEIIT, National Research Council / Elizabeth Verdugo, Polytechnic University of Milan / Alessandro D Acierno, Huawei Technologies Italia / Renato Lombardi, Huawei Technologies Italia
6. 18:00 - 18:15
   M4G.6

   FPGA-Based Real-Time Mode-Diversity Coherent Reception Experiment Over a 15.6 km Horizontal Turbulence Link

   Presenter: Kejia Xu, Beijing University of Posts & Telecom, China

    Presentation Details   Paper

   In a 15.6 km near-ground FSO link, we observed turbulence-induced phase misalignment between modes. Using SC in a 1Gbaud BPSK real-time experiment over the same link, we demonstrated 87.7% error-free frames without precise phase alignment.Authors: Kejia Xu, Beijing University of Posts & Telecom / Wenjie Guo, Beijing University of Posts & Telecom / Yan Li, Beijing University of Posts & Telecom / Chao Liu, National Laboratory on Adaptive Optics / Bin Lan, National Laboratory on Adaptive Optics / Kaihe Zhang, National Laboratory on Adaptive Optics / Xinyu Guo, Beijing University of Posts & Telecom / Zhengjie Wang, Beijing University of Posts & Telecom / Pu Zhang, Beijing University of Posts & Telecom / Shuai Wei, Beijing University of Posts & Telecom / jingwei song, Beijing University of Posts & Telecom / Xiaobin Hong, Beijing University of Posts & Telecom / Jian Wu, Beijing University of Posts & Telecom
7. 18:15 - 18:30
   M4G.7

   Fading-Resilient Coherent Receiver for Free-Space Communications With Real-Time Demonstration

   Presenter: eric dutisseuil, Nokia Bell Labs, France

    Presentation Details   Paper

   We propose an approach for enhancing the resilience of coherent receivers to fading caused by atmospheric turbulence in free-space systems. We validate it using a real-time receiver prototype demonstrating x1000 greater robustness to fading duration.Authors: eric dutisseuil, Nokia Bell Labs / Rajiv Boddeda, Nokia Bell Labs / Sébastien Bigo, Nokia Bell Labs
8. 18:30 - 18:45
   M4G.8

   Experimental Demonstration of Coherent Heterodyne Detection for Multiple Mid-IR Free-Space Optical (FSO) Data Channels With a Native Mid-IR Detector

   Presenter: Huibin Zhou, University of Southern California, United States

    Presentation Details   Paper

   Top Scored

   We demonstrate mid-IR FSO coherent detection at ~3.4 µm using a native detector for (i) a single 1-Gbaud data channel with various modulation formats, including OOK, QPSK, 16 QAM, and 64 QAM, and (ii) five multi-carrier 1-Gbaud 16-QAM channels. We show >10-dB improvement in receiver sensitivity compared to direct detection using the same detector.Authors: Huibin Zhou, University of Southern California / Yue Zuo, University of Southern California / Abdulrahman Alhaddad, University of Southern California / Xinzhou Su, University of Southern California / Yuxiang Duan, University of Southern California / Adam Heiniger, TOPTICA Photonics Inc / Moshe Tur, Tel Aviv University / Alan Willner, University of Southern California