Schedule

Fiber Sensing Devices

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

   Single Frequency Fiber Laser Strain Sensors: Principles and Applications

   Presenter: Logan Richardson, US Naval Research Laboratory, United States

    Presentation Details   Paper

   In Person Invited

   Single frequency fiber laser sensors achieve displacement resolutions approaching attometer levels, operating at the fundamental limit of performance. These devices have found applications in structural health monitoring, medical and undersea monitoring. This presentation will review the operating principles of these devices and discuss recent demonstrations.Authors: Geoffrey Cranch, US Naval Research Laboratory / Logan Richardson, US Naval Research Laboratory / Caitlin Williams, US Naval Research Laboratory / Gary Miller, US Naval Research Laboratory / Ryan Seeley, Sequent Logic / Evan Hardester, Sequent Logic
2. 8:30 - 8:45
   M1A.2

   Optical Fiber Tags Based on Encoded FBG Array

   Presenter: Xiangpeng Xiao, Huazhong Univ of Science and Technology, China

    Presentation Details   Paper

   In Person

   We proposed an optical fiber tag for identifying the massive passive optical networks, which were encoded by the FBG array with 7 wavelengths and 5 intensity grades, and achieved 57 optical tag identification.Authors: Xiangpeng Xiao, Huazhong Univ of Science and Technology / Weiliang Zhao, Huazhong Univ of Science and Technology / Yibo Liu, Huazhong Univ of Science and Technology / Ke Ai, Huazhong Univ of Science and Technology / Peng Wang, HUST-Wuxi Research Institute / Lei Deng, Huazhong Univ of Science and Technology / Chen Liu, Huazhong Univ of Science and Technology / Qi Yang, Huazhong Univ of Science and Technology / Qizhen Sun, Huazhong Univ of Science and Technology / Zhijun Yan, Huazhong Univ of Science and Technology
3. 8:45 - 9:00
   M1A.3

   Three-Dimensional-Printed Hollow Fabry-Perot Fiber Sensor for Ultra-High Sensitivity Ultrasound Detection

   Presenter: Anqi Wang, Huazhong Univ of Science and Technology, China

    Presentation Details   Paper

   In Person

   We demonstrate a hollow Fabry-Perot (FP) fiber sensor fabricated by 3D-printing technology for highly sensitive ultrasound detection. The sensor has a sensitivity of 167 mV/kPa which is 38 times higher than a solid FP fiber sensor.Authors: Anqi Wang, Huazhong Univ of Science and Technology / Xuhao Fan, Huazhong Univ of Science and Technology / DongChen Xu, Huazhong Univ of Science and Technology / Geng Chen, Huazhong Univ of Science and Technology / Chenhao Dai, Huazhong Univ of Science and Technology / Zhi Zhang, Huazhong Univ of Science and Technology / Wei Xiong, Huazhong Univ of Science and Technology / Qizhen Sun, Huazhong Univ of Science and Technology
4. 9:00 - 10:00
   M1A.4

   Micro-Structured Fibers for Ultrasound and Acoustic Wave Detection

   Presenter: Xiaoyi Bao, University of Ottawa, Canada

    Presentation Details

   Virtual Tutorial

   Micro-structured fibers with smaller dimension (nano- to micrometers) and specialty materials are good candidates for high frequency and broadband ultrasound and acoustic wave detection for micro-cracks and photo-acoustic imaging in medical applications.Authors: Xiaoyi Bao, University of Ottawa

Fiber-Based Nonlinear-Optic and Optoelectronic Devices

1. 8:00 - 8:15
   M1B.1

   Demonstration of a Stable, High-Performance Mach-Zehnder Polarization-Insensitive Fiber Optical Parametric Amplifier

   Presenter: Vladimir Gordienko, Aston Institute of Photonic Technologies, Aston University, B4 7ET Birmingham, UK, United Kingdom

    Presentation Details   Paper

   In Person

   We demonstrate a Mach-Zehnder architecture for polarization-insensitive fiber optical parametric amplifiers to obtain a noise figure of ∼4.5dB and reduction of nonlinear crosstalk as compared to previously demonstrated PI-FOPAs while demonstrating net gain up to 24dB.Authors: Florent Bessin, Université d'Angers, LPHIA, SFR MATRIX, F-49000 Angers, France / Vladimir Gordienko, Aston Institute of Photonic Technologies, Aston University, B4 7ET Birmingham, UK / Filipe Ferreira, Optical Networks Group, University College London, London, WC1E 6BT, UK / Nick Doran, Aston Institute of Photonic Technologies, Aston University, B4 7ET Birmingham, UK
2. 8:15 - 8:30
   M1B.2

   Employment of Polarization Diversity Architecture to Mitigate an Impact of Pump Phase Modulation in FOPA

   Presenter: Mariia Bastamova, Aston University, United Kingdom

    Presentation Details   Paper

   In Person

   We demonstrate via simulations and experiments that a FOPA polarization-diverse architecture allows to mitigate an impact of pump phase modulation on amplified signals and thus reduce or almost eliminate the signal required-OSNR penaltyAuthors: Mariia Bastamova, Aston University / Vladimir Gordienko, Aston University / Nick Doran, Aston University / Andrew Ellis, Aston University
3. 8:30 - 9:00
   M1B.3

   All-Fiber Optoelectronics

   Presenter: Lei Wei, Nanyang Technological University, Singapore

    Presentation Details   Paper

   Virtual Invited

   The combination of insulating, semiconducting, and metallic elements in well-defined geometries with intimate interfaces is essential to achieve all-fiber optoelectronics. Here, we present the development of optoelectronic fibers, from the fundamentals to in-fiber device demonstration.Authors: Lei Wei, Nanyang Technological University
4. 9:00 - 9:15
   M1B.4

   Waveband-Shift-Free Optical Phase Conjugation in Fiber Loop Mirror Across 35-nm Bandwidth

   Presenter: Vladimir Gordienko, Aston University, United Kingdom

    Presentation Details   Paper

   In Person

   We experimentally demonstrate waveband-shift-free optical phase conjugation across the full C-band by employing a nonlinear optical loop mirror to demultiplex signals and phase-conjugated copies with an extinction ratio of at least 17dB across 35nm.Authors: Vladimir Gordienko, Aston University / Sonia Boscolo, Aston University / Mariia Bastamova, Aston University / Nick Doran, Aston University / Andrew Ellis, Aston University
5. 9:15 - 9:30
   M1B.5

   Positive (>0 dB) Wavelength Conversion Efficiency in Temperature-Tuned Five-Segment Highly-Nonlinear Fiber Without Pump Dithering

   Presenter: Hamed Rabbani, University of Texas at Arlington, United States

    Presentation Details   Paper

   In Person

   By temperature tuning, we align zero-dispersion wavelengths of several fiber segments while detuning their Brillouin frequencies. Despite 2.5-fold fiber length increase, we obtain 2-dB higher Brillouin threshold, enabling >0 dB conversion efficiency without pump modulation.Authors: Hamed Rabbani, University of Texas at Arlington / Cheng Guo, University of Texas at Arlington / Michael Vasilyev, University of Texas at Arlington
6. 9:30 - 10:00
   M1B.6

   Nonlinear Optics in Silicon Core Fibers: Progress and Trends

   Presenter: Anna Peacock, University of Southampton, United Kingdom

    Presentation Details   Paper

   In Person Invited

   Recent advances in the development and application of silicon core fibers for nonlinear photonics is reviewed. Focus will be placed on novel device designs that benefit from the fiber geometry and integration with existing components.Authors: Anna Peacock, University of Southampton

Green Transformation: Where Do We Stand? I

1. 8:00 - 8:30
   M1C.1

   IOWN GF Energy Efficiency Program: Powering a Sustainable Future

   Presenter: Lieven Levrau, Nokia Corporation, France

    Presentation Details

   In Person Invited

   This paper discusses challenges for optimizing energy efficiency in telecommunications networks, encompassing areas like data centers, network protocols, equipment, AI-driven management, and efficient data collection, with a focus on reducing environmental impact and operational costs.Authors: Lieven Levrau, Nokia Corporation
2. 8:30 - 9:00
   M1C.2

   Energy Efficient in Open Optical Transport

   Presenter: KOJI ASAHI, NEC Corporation, Japan

    Presentation Details

   In Person Invited

   We will share energy efficient use cases using open optical systems and our activities on them.Authors: KOJI ASAHI, NEC Corporation
3. 9:00 - 9:30
   M1C.3

   How ICT can Positively Impact the Environment

   Presenter: Alessandro Percelsi, TIM S.p.A., Italy

    Presentation Details

   In Person Invited

   In many sectors, ICT can significantly decrease global GHG emissions, optimizing resource use. However, ICT industry relies on high resource-demanding infrastructures: sustainable processes and efficiency are mandatory for ICT operators to reach full environmental benefits.Authors: Alessandro Percelsi, TIM S.p.A.
4. 9:30 - 10:00
   M1C.4

   Assessment of Fixed Network Energy Efficiency

   Presenter: Paolo Gemma, Huawei Technologies Italia SRL, Italy

    Presentation Details

   Virtual Invited

   This presentation offers insights into network efficiency standardization efforts and guidance on assessing Scope 3 emissions and ICT's enablement effect. Learn about monitoring network efficiency and evaluating the broader impact of digital technologies.Authors: Paolo Gemma, Huawei Technologies Italia SRL

High Power and Narrow Linewidth Lasers

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

   CW-WDM MSA Compatible 100-mW (up to 50°C), 400-GHz Spacing Highly-Reliable CW-DFB 8-Channel Laser Array

   Presenter: Ryosuke Hatai, Lumentum Japan, Inc, Japan

    Presentation Details   Paper

   In Person Top Scored

   We demonstrate a CW-WDM MSA compatible 8-channel 400-GHz spacing 100-mW CW-DFB laser array, with uniform channel spacings (±100 GHz) from 20 to 75°C, small channel-to-channel power deviations (0.56 dB) and over 2000-hour-operation reliability at 80°C.Authors: Ryosuke Hatai, Lumentum Japan, Inc / Kouji Nakahara, Lumentum Japan, Inc / Atsushi Nakamura, Lumentum Japan, Inc / Takayuki Nakajima, Lumentum Japan, Inc / Yoshihiko Kobayashi, Lumentum Japan, Inc / Takeo Kageyama, Lumentum Japan, Inc / Shigehisa Tanaka, Lumentum Japan, Inc
2. 8:15 - 8:30
   M1D.2

   High Efficiency High-Power Uncooled CWDM4 Wavelength CW-DFB Lasers

   Presenter: Milind Gokhale, Casela Technologies USA, United States

    Presentation Details   Paper

   In Person

   We demonstrate high 75oC power conversion efficiencies of 19% to 26% at 100 mW (1mm cavity) and 16% to 22% at 200 mW (2mm cavity) for CW-DFB lasers with single-mode operation across CWDM4 wavelengths.Authors: Milind Gokhale, Casela Technologies USA / Mark Emanuel, Casela Technologies USA / Benjamin Li, Casela Technologies USA
3. 8:30 - 9:00
   M1D.3

   Development of High-Power DFB Lasers With High Reliability

   Presenter: Yuanfeng Mao, Huawei Technologies Co.,Ltd, China

    Presentation Details   Paper

   Virtual Invited

   High-power DFB lasers in O, S, C and L-band have been developed. RIN below -160 dB/Hz and linewidth less than 25 kHz of the lasers are obtained. Over 5000 hours of accelerated aging test has also been performed.Authors: Yuanfeng Mao, Huawei Technologies Co.,Ltd / Yuanbing Cheng, Huawei Technologies Co.,Ltd / Guangcan Chen, Huawei Technologies Co.,Ltd / Yanbo Li, Huawei Technologies Co.,Ltd / Bo Wu, Huawei Technologies Co.,Ltd
4. 9:00 - 9:15
   M1D.4

   Ten-Channel High Power DFB Laser Array With High Single Mode Stability and Low RIN

   Presenter: Yuanhao Zhang, HuazhongUniversity of Science&Technology, China

    Presentation Details   Paper

   Virtual

   A high power 10-channel single-mode DFB laser array with 200-GHz-spacing is demonstrated. Output power over 85mW, SMSR over 55dB and RIN below -155dBc/Hz have been realized for all channels of the fabricated laser array.Authors: Yuanhao Zhang, HuazhongUniversity of Science&Technology / Qianru Lu, HuazhongUniversity of Science&Technology / Can Liu, HuazhongUniversity of Science&Technology / Minwen Xiang, HuazhongUniversity of Science&Technology / Guojiong Li, HuazhongUniversity of Science&Technology / Juan Xia, HuazhongUniversity of Science&Technology / Qiaoyin Lu, HuazhongUniversity of Science&Technology / Weihua Guo, HuazhongUniversity of Science&Technology
5. 9:15 - 9:30
   M1D.5

   Reducing the Linewidth of Hybrid Integrated III-v/Silicon Laser by Utilizing High-Q Multimode-Waveguide-Based Silicon Ring Resonator

   Presenter: Xinhang Li, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   Virtual

   We demonstrate a hybrid integrated self-injection locking laser (SIL) with an intrinsic linewidth of 1.25 kHz and an external cavity laser (ECL) of 5.3 kHz by leveraging a high-Q multimode-waveguide-based silicon microring resonator (MRR)Authors: Xinhang Li, Shanghai Jiao Tong University / Yuyao Guo, Shanghai Jiao Tong University / Siyu E, Shanghai Jiao Tong University / Yihao Fan, Shanghai Jiao Tong University / Minhui Jin, Shanghai Jiao Tong University / Weihan Xu, Shanghai Jiao Tong University / Liangjun Lu, Shanghai Jiao Tong University / Yu Li, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University / Linjie Zhou, Shanghai Jiao Tong University
6. 9:30 - 9:45
   M1D.6

   Hertz-Linewidth, High-Power, Frequency-Agile Photonic Integrated E-DBR Laser

   Presenter: Anat Siddharth, Ecole Polytechnique Federale de Lausanne, Switzerland

    Presentation Details   Paper

   In Person

   We demonstrate hybrid integration of an RSOA with an extended-distributed Bragg reflector (E-DBR) laser cavity implemented on a Si3N4 chip with monolithically integrated piezoactuators. The laser exhibits intrinsic linewidth of 4 Hz with laser frequency tuning over 1.0 GHz at up to 1 MHz triangular chirp rate.Authors: Anat Siddharth, Ecole Polytechnique Federale de Lausanne / Alaina Attanasio, Purdue University / Grigory Lihachev, Ecole Polytechnique Federale de Lausanne / Rui Wang, Ecole Polytechnique Federale de Lausanne / Zheru Qiu, Ecole Polytechnique Federale de Lausanne / Scott Kenning, Purdue University / Sunil Bhave, Purdue University / Johann Riemensberger, Ecole Polytechnique Federale de Lausanne / Tobias J. Kippenberg, Ecole Polytechnique Federale de Lausanne
7. 9:45 - 10:00
   M1D.7

   Multi-Wavelength DFB Laser With High Mode Stability and Uniform Spacing via REC Technique

   Presenter: Zhenxing Sun, Nanjing University, China

    Presentation Details   Paper

   In Person

   The multi-wavelength DFB lasers with four and six wavelengths simultaneously emitted are experimentally demonstrated for the emerging optical I/O technology. The proposed structure shows high mode stability and high uniform wavelength spacing of 100 GHz.Authors: Zhenxing Sun, Nanjing University / Jie Zhao, Nanjing University / Yue Zhang, Nanjing University / Zijiang Yang, Nanjing University / Kaifei Tang, Nanjing University / Rulei Xiao, Nanjing University / Xiangfei Chen, Nanjing University

DSP and Multiplexing Techniques

1. 8:00 - 9:00
   M1E.1

   Electrical and Optical Multiplexing Technique for High Symbol Rate Signal Generation

   Presenter: Hiroshi Yamazaki, NTT Network Innovation Laboratories, Japan

    Presentation Details

   In Person Tutorial

   This tutorial describes multiplexing technologies for generating high-speed optical signals with bandwidths exceeding those of DACs. Both electrical and optical approaches are covered based on a common analytical framework. Recent experimental results are also reviewed.Authors: Hiroshi Yamazaki, NTT Network Innovation Laboratories
2. 9:00 - 9:15
   M1E.2

   A Robust Timing Recovery Algorithm for Faster-Than-Nyquist Digital Multi-Band System

   Presenter: Hao Deng, South China University of Technology, China

    Presentation Details   Paper

   In Person

   We propose a novel timing-recovery algorithm (TRA) for faster-than-Nyquist digital-multi-band systems, and experimentally demonstrate that the proposed TRA works for different compression ratios and outperforms conventional TRAs in dispersion and DGD tolerance and convergence speed.Authors: Hao Deng, South China University of Technology / Wanzhen Guo, South China University of Technology / Yi Cai, Soochow University / Jian Zhao, South China University of Technology
3. 9:15 - 9:30
   M1E.3

   Clock Recovery of a 180 Gbaud Faster-Than-Nyquist Signal Enabled by a Novel Adaptive Equalizer-Aided Algorithm

   Presenter: Yo Nakamura, Fujitsu Limited, Japan

    Presentation Details   Paper

   In Person

   We proposed a novel adaptive equalizer-aided clock recovery algorithm for faster-than-Nyquist coherent optical systems and experimentally demonstrated good performance for Tomlinson-Harashima pre-coded 16QAM signal until 180Gbaud under the system with 10dB bandwidth of 65GHz.Authors: Yo Nakamura, Fujitsu Limited / Guoxiu Huang, Fujitsu Limited / Hisao Nakashima, Fujitsu Limited / Takeshi Hoshida, Fujitsu Limited
4. 9:30 - 9:45
   M1E.4

   Optimization of Pilot-Aided Joint Phase Recovery for Frequency Comb-Based Wideband Transmission

   Presenter: Ognjen Jovanovic, Adtran Networks SE, Germany

    Presentation Details   Paper

   In Person

   We numerically investigate joint pilot-aided phase recovery for frequency comb-based long-haul wideband transmission. We report net information rate gains by optimizing the pilot overhead and phase estimation algorithm, outperforming per-channel processing at lower complexity.Authors: Gabriele Di Rosa, Adtran Networks SE / Ognjen Jovanovic, Adtran Networks SE / Muhammad Ahmed Leghari, Adtran Networks SE / Jasper Müller, Adtran Networks SE / Benjamin Wohlfeil, Adtran Networks SE / Jörg-Peter Elbers, Adtran Networks SE
5. 9:45 - 10:00
   M1E.5

   Carrier Frequency Offset Estimation Using Godard Timing Recovery in Coherent Optical Systems

   Presenter: Trung-Hien Nguyen, Huawei Technologies France, Paris Research Center, France

    Presentation Details   Paper

   Virtual

   Based on conventional timing recovery (TR) algorithm, we propose a novel method for carrier frequency offset (CFO) estimation by exploiting the available spectrum information from TR. We experimentally validate our proposal in 4-subcarrier 100-GBaud coherent systems.Authors: Trung-Hien Nguyen, Huawei Technologies France, Paris Research Center / Sami Mumtaz, Huawei Technologies France, Paris Research Center / Abel Lorences-Riesgo, Huawei Technologies France, Paris Research Center / Marti Sales-Llopis, HiSilicon Optoelectronics Co., Ltd. / Clement Jauffret, Huawei Technologies France, Paris Research Center / Celestino Sanches Martins, Huawei Technologies France, Paris Research Center / Zhihang Wu, Huawei Technologies France, Paris Research Center / Yann Frignac, Huawei Technologies France, Paris Research Center / Gabriel Charlet, Huawei Technologies France, Paris Research Center / Yu Zhao, Huawei Technologies France, Paris Research Center

Multi-Band Transmission Systems

1. 8:00 - 8:15
   M1F.1

   Modeling and Experimental Verification in S+C+L+U Quadrable-Band WDM Transmission System Using C+L-Band Transceivers and Wavelength Converters

   Presenter: Hidenobu Muranaka, Fujitsu Limited, Japan

    Presentation Details   Paper

   We experimentally verify wideband WDM transmission modeling in over 17-THz S+C+L+U quadrable-band transmission using PPLN-based wavelength converters. We confirmed within 3.3-dB errors between modeling after 80-km SSMF transmission of DP-16QAM and DP-QPSK signal.Authors: Hidenobu Muranaka, Fujitsu Limited / Tomoyuki Kato, Fujitsu Limited / Tomohiro Yamauchi, Fujitsu Limited / Hiroyuki Irie, Fujitsu Limited / Hiroki Ooi, Fujitsu Limited / Yu Tanaka, Fujitsu Limited / Shimpei Shimizu, NTT Network Innovation Laboratories / Takayuki Kobayashi, NTT Network Innovation Laboratories / Takushi Kazama, NTT Network Innovation Laboratories / Masashi Abe, NTT Device Technology Laboratories / Takeshi Umeki, NTT Network Innovation Laboratories / Yutaka Miyamoto, NTT Network Innovation Laboratories / Takeshi Hoshida, Fujitsu Limited
2. 8:15 - 8:30
   M1F.2

   Performance Enhancement of Long-Haul C+L+S Systems by Means of CFM-Assisted Optimization

   Presenter: Pierluigi Poggiolini, Politecnico di Torino, Italy

    Presentation Details   Paper

   In Person

   We investigate C+L+S long-haul systems using a closed-form-model for launch power and Raman pump optimization. We show a potential 4x throughput increase over standard C-band systems in 1000km links, using moderate S-only Raman amplification.Authors: Yanchao Jiang, Politecnico di Torino / Antonello Nespola, LINKS Foundation / Alberto Tanzi, CISCO Photonics Italy srl / Stefano Piciaccia, CISCO Photonics Italy srl / Mahdi Ranjbar Zefreh, CISCO Photonics Italy srl / Fabrizio Forghieri, CISCO Photonics Italy srl / Pierluigi Poggiolini, Politecnico di Torino
3. 8:30 - 9:30
   M1F.3

   Practical Considerations for Ultra-Wideband Line System Development

   Presenter: Julia Larikova, Infinera Corporation, United States

    Presentation Details

   In Person Tutorial

   With the coherent transmission hitting the Shannon limit and spectral efficiency constrains, it is important to find other ways of extending fiber capacity using new but practical ways. The most realistic way to increase it by using optical line system with SuperC and SuperL amplification and Wavelength selective switches, allowing capacity increase on the order of 30% with a max capacity as high as 100Tbps on a single fiber without the need for novel fiber typesAuthors: Julia Larikova, Infinera Corporation
4. 9:30 - 9:45
   M1F.4

   264.7 Tb/s E, S, C + L-Band Transmission Over 200 km

   Presenter: Benjamin Puttnam, National Inst Info & Comm Tech (NICT), Japan

    Presentation Details   Paper

   Top Scored

   We experimentally investigate an extended reach E, S, C + L-band transmission system covering 27 THz with mid-span doped fiber and distributed Raman amplification, measuring 264.7 Tb/s from GMI and 250.8 Tb/s after decoding after 200 km transmission.Authors: Benjamin Puttnam, National Inst Info & Comm Tech (NICT) / Ruben Luis, National Inst Info & Comm Tech (NICT) / Yetian Huang, Nokia Bell Labs / Ian Phillips, Aston University / Dicky Chung, Amonics PLC / Nicolas Fontaine, Nokia Bell Labs / Budsara Boriboon, National Inst Info & Comm Tech (NICT) / Georg Rademacher, National Inst Info & Comm Tech (NICT) / Mikael Mazur, Nokia Bell Labs / Lauren Dallachiesa, Nokia Bell Labs / Haoshuo Chen, Nokia Bell Labs / Wladek Forysiak, Aston University / Ray Man, Amonics PLC / Roland Ryf, Nokia Bell Labs / David Neilson, Nokia Bell Labs / Hideaki Furukawa, National Inst Info & Comm Tech (NICT)
5. 9:45 - 10:00
   M1F.5

   Accurate SNR Estimation in C+L-Band 10-THz Hybrid Raman-EDFA Amplified Transmission Using Two-Stage Power Profile Calculation Accounting for Pump Depletion

   Presenter: Kosuke Kimura, NTT corporation, Japan

    Presentation Details   Paper

   In Person

   We propose an accurate power profile calculation method for GN-model-based SNR estimation and demonstrate an average SNR estimation error of 0.22 dB in C+L-band 101-ch WDM 96-Gbaud PCS-36QAM signal 1120-km hybrid Raman-EDFA amplified transmission.Authors: Kosuke Kimura, NTT corporation / Shimpei Shimizu, NTT corporation / Takayuki Kobayashi, NTT corporation / Masanori Nakamura, NTT corporation / Yutaka Miyamoto, NTT corporation

Optical Networks for Disaggregated and Composable Computing Systems

1. 8:00 - 8:30
   M1G.1

   Programmable Silicon Photonics for the Implementation of Topological Systems

   Presenter: Andrea Blanco-Redondo, CREOL, The College of OPtics and Photonics, University of Central FLorida, United States

    Presentation Details   Paper

   In Person Invited

   Topological photonics offers a platform to explore both fundamental physics and applications in integrated photonics. In this talk we unveil our latest results on the implementation of topological models in programmable integrated photonic platforms.Authors: Andrea Blanco-Redondo, CREOL, The College of OPtics and Photonics, University of Central FLorida
2. 8:30 - 8:45
   M1G.2

   Optically Networked Heterogeneous Data-Centric Computing System With Silicon Photonics Transceivers

   Presenter: Dae-Ub Kim, Electronics and Telecom Research Inst, Korea (the Republic of)

    Presentation Details   Paper

   In Person

   An architecture is proposed for optically networked heterogeneous computing system supporting CXL standard. The proposed system is applied to AI applications and achieves a performance degradation of less than 2% compared with the server solution.Authors: Dae-Ub Kim, Electronics and Telecom Research Inst / Jyung Chan Lee, Electronics and Telecom Research Inst / Sanghwa Yoo, Electronics and Telecom Research Inst / Jongtae Song, Electronics and Telecom Research Inst / Kyeong-Eun Han, Electronics and Telecom Research Inst / Jiwook Youn, Electronics and Telecom Research Inst / Bup Joong Kim, Electronics and Telecom Research Inst / Chanho Park, Electronics and Telecom Research Inst / Joon Ki Lee, Electronics and Telecom Research Inst
3. 8:45 - 9:00
   M1G.3

   Beyond the Beachfront: Integration of Silicon Photonic I/Os Under a High-Power ASIC

   Presenter: Subal Sahni, Celestial AI, United States

    Presentation Details   Paper

   In Person

   We present a photonics platform targeting optical connectivity at the point of compute in high-power ASICs. The platform uses bias-controlled electro-absorption modulators and is differentiated by broad temperature stability coupled with high bandwidth density.Authors: Subal Sahni, Celestial AI / Abhijit Abhyankar, Celestial AI / Ankur Aggarwal, Celestial AI / Nikos Bamiedakis, Celestial AI / Zoltan Bekker, Celestial AI / Mohamed Benromdhane, Celestial AI / Nadav Bergstein, Celestial AI / Ties Bos, Celestial AI / Christopher Davies, Celestial AI / Andrew Gimlett, Celestial AI / Xiaoping Han, Celestial AI / Kelin Lee, Celestial AI / Kavya Mahadevaiah, Celestial AI / Hakki Ozguc, Celestial AI / Kevin Park, Celestial AI / Jeremy Plunkett, Celestial AI / Sujit Ramachandra, Celestial AI / Jason Redgrave, Celestial AI / Ajmer Singh, Celestial AI / Matteo Staffaroni, Celestial AI / Angelina Totovic, Celestial AI / Saurabh Vats, Celestial AI / Phil Winterbottom, Celestial AI / Darren Woodhouse, Celestial AI / Waleed Younis, Celestial AI / Shifeng Yu, Celestial AI / David Lazovsky, Celestial AI
4. 9:00 - 9:15
   M1G.4

   First Line-Rate End-to-End Post-Quantum Encrypted Optical Fiber Link Using Data Processing Units (DPUs)

   Presenter: Abraham Cano Aguilera, Technical University of Eindhoven, Netherlands

    Presentation Details   Paper

   In Person

   We demonstrate the first 92.3-Gbits/s line-rate, end-to-end post-quantum cryptography optical fiber link based on HW accelerators and processing offloading.Authors: Abraham Cano Aguilera, Technical University of Eindhoven / Rana Abu Bakar, National Inter-University Consortium for Telecommunications / Faris Alhamed, National Inter-University Consortium for Telecommunications / Carlos Rubio Garcia, Technical University of Eindhoven / Jose Luis Imaña Pascual, Universidad Complutense de Madrid / Idelfonso Tafur Monroy, Technical University of Eindhoven / Filippo Cugini, National Inter-University Consortium for Telecommunications / Juan José Vegas Olmos, NVIDIA
5. 9:15 - 9:45
   M1G.5

   Network Aware Composable Computing

   Presenter: Georgios Zervas, University College London, United Kingdom

    Presentation Details

   Invited

   The talk will cover the challenges/opportunities of disaggregated data centres. It will report our demonstrations and experimental investigations over the last 7 years on some of the first memory over optical switched network systems.Authors: Georgios Zervas, University College London

Machine Learning for Estimation and Forecasting

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

   Machine Learning-Based Polarization Signature Analysis for Detection and Categorization of Eavesdropping and Harmful Events

   Presenter: Leyla Sadighi, Chalmers University of Technology, Sweden

    Presentation Details   Paper

   In Person

   We propose a methodology that uses polarization state changes and machine learning to detect and classify eavesdropping, harmful, and non-harmful events in the optical fiber network. Our solution achieves 92.3% accuracy over 13 experimental scenarios.Authors: Leyla Sadighi, Chalmers University of Technology / Stefan Karlsson, Swedish Defense Material Administration / Carlos Natalino, Chalmers University of Technology / Marija Furdek, Chalmers University of Technology
2. 8:15 - 8:30
   M1H.2

   Autonomous Capacity Adjustment With Dynamic Margin Allocation for Optical Enterprise Links

   Presenter: Mihail Balanici, Fraunhofer HHI, Germany

    Presentation Details   Paper

   In Person

   This work presents a novel machine learning-based dynamic capacity allocation scheme for efficient bandwidth provisioning of optical links. It offers an average hourly capacity saving of over 75% compared to traditional static capacity allocation mechanisms.Authors: Mihail Balanici, Fraunhofer HHI / Behnam Shariati, Fraunhofer HHI / Pooyan Safari, Fraunhofer HHI / Geronimo Bergk, Horváth AG / Johannes Fischer, Fraunhofer HHI
3. 8:30 - 8:45
   M1H.3

   Analysis of Unwanted Biases in ML-Based QoT Classification Tasks

   Presenter: Carlos Natalino, Chalmers University of Technology, Sweden

    Presentation Details   Paper

   In Person

   We address the problem of mitigating biases in models used for the quality of transmission prediction. The proposed method reduces the relative accuracy difference between samples with different feature values by up to 45\%.Authors: Carlos Natalino, Chalmers University of Technology / Behnam Shariati, Fraunhofer HHI / Pooyan Safari, Fraunhofer HHI / Johannes Fischer, Fraunhofer HHI / Paolo Monti, Chalmers University of Technology
4. 8:45 - 9:00
   M1H.4

   Modeling the Input Power Dependency of Transceiver BER-ONSR for QoT Estimation

   Presenter: Toru Mano, NTT, Japan

    Presentation Details   Paper

   In Person

   We propose a method to estimate the input power dependency of the transceiver BER-OSNR characteristic. Experiments using commercial transceivers show that estimation error in Q-factor is less than 0.2 dB.Authors: Toru Mano, NTT / Yue-Kai Huang, NEC Labs America / Giacomo Borraccini, NEC Labs America / Ezra Ip, NEC Labs America / Andrea D'Amico, NEC Labs America / Zehao Wang, Duke University / Hideki Nishizawa, NTT / Gil Zussman, Columbia University / Tingjun Chen, Duke University / KOJI ASAHI, NEC / Daniel Kilper, Trinity College Dublin / Vittorio Curri, Politecnico di Torino / Koichi Takasugi, NTT
5. 9:00 - 9:15
   M1H.5

   Topology-Driven Edge Predictions With Graph Machine Learning for Optical Network Growth

   Presenter: Akanksha Ahuja, University of Cambridge, United Kingdom

    Presentation Details   Paper

   Virtual

   Graph representation learning on real-world optical core networks outperforms edge prediction heuristics by 10 times, achieving up to 93.4% accuracy on BT(UK), COST(EU), and CORONET(USA) by learning from 10% training data.Authors: Akanksha Ahuja, University of Cambridge / Sam Nallaperuma Herzberg, University of Cambridge / Albert Rafel, BT / Paul Wright, BT / Andrew Lord, BT / Seb Savory, University of Cambridge
6. 9:15 - 9:30
   M1H.6

   Multi-Span Optical Power Spectrum Prediction Using ML-Based EDFA Models and Cascaded Learning

   Presenter: Zehao Wang, Duke University, United States

    Presentation Details   Paper

   In Person Top Scored

   We implement a cascaded learning framework using component-level EDFA models for optical power spectrum prediction in multi-span networks, achieving a mean absolute error of 0.17dB across 6 spans and 12 EDFAs with only one-shot measurement.Authors: Zehao Wang, Duke University / Yue-Kai Huang, NEC Laboratories America / Shaobo Han, NEC Laboratories America / Ting Wang, NEC Laboratories America / Daniel Kilper, CONNECT Centre / Tingjun Chen, Duke University
7. 9:30 - 9:45
   M1H.7

   Network-Wide QoT Estimation Using SGD With Gradient Transfer Between Wavelengths

   Presenter: Kayol Mayer, Unicamp, Brazil

    Presentation Details   Paper

   In Person

   We propose an SGD-based QoT estimation technique that operates on a network-wide scale by transferring gradients among neighboring wavelengths. Simulation results indicate effective and low-complexity QoT estimation using only transponder SNR telemetry.Authors: Kayol Mayer, Unicamp / Jonathan Soares, Unicamp / Marcos Paulo Dal Maso, Unicamp / Christian Rothenberg, Unicamp / Dalton Arantes, Unicamp / Darli A. A. Mello, Unicamp
8. 9:45 - 10:00
   M1H.8

   Demonstration of ROADM Status Visualization Based on Receiver DSP and Digital Twin Modeling

   Presenter: Meng Cai, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   In Person

   We propose a coherent receiver-based telemetry to visualize ROADM status. 100% accuracy of failure localization and 0.67 GHz RMSE of failure estimation are achieved in an 847-km fiber link with 6 WSS nodes.Authors: Meng Cai, Shanghai Jiao Tong University / Xiaomin Liu, Shanghai Jiao Tong University / Mengfan Fu, Shanghai Jiao Tong University / Xiaobo Zeng, Shanghai Jiao Tong University / Yichen Liu, Shanghai Jiao Tong University / Yihao Zhang, Shanghai Jiao Tong University / Lilin Yi, Shanghai Jiao Tong University / Weisheng Hu, Shanghai Jiao Tong University / Qunbi Zhuge, Shanghai Jiao Tong University

Next Generation Coherent PON

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

   Preamble Design for Joint Frame Synchronization, Frequency Offset Estimation and Channel Estimation in Burst Mode Coherent PONs

   Presenter: yongxin sun, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   Virtual

   We propose a preamble jointly achieving frame synchronization, frequency offset and channel estimation for burst-mode detection in coherent PON. The DSP converges within a 272-symbol preamble in a 15GBaud experiment.Authors: yongxin sun, Shanghai Jiao Tong University / Hexun Jiang, Shanghai Jiao Tong University / Lilin Yi, Shanghai Jiao Tong University / Weisheng Hu, Shanghai Jiao Tong University / Qunbi Zhuge, Shanghai Jiao Tong University
2. 8:15 - 9:15
   M1I.2

   Unlocking the Potential of Coherent Passive Optical Networks: Use Cases, Key Technologies, and Specification Development

   Presenter: Zhensheng Jia, CableLabs, United States

    Presentation Details   Paper

   In Person Tutorial

   Coherent PON enables extended reach, higher split ratio and capacity for optical access P2MP architecture. Key enabling technologies including upstream burst processing, coherent optics optimization, and specifications for cost-effective mass deployment are covered in this tutorial.Authors: Zhensheng Jia, CableLabs
3. 9:15 - 9:30
   M1I.3

   Symmetric Bidirectional 200 Gb/s/λ PON Solution Demonstrated Over Field Installed Fiber

   Presenter: Istvan Kovacs, University of Cambridge, United Kingdom

    Presentation Details   Paper

   In Person

   We demonstrate 200 Gb/s/λ bidirectional coherent PON solution with simplified ONU on field installed fiber. We achieve 30.5/37 dB power budget for the downstream transmission with single-ended/balanced photodiode and 30.1 dB for the upstream transmission.Authors: Istvan Kovacs, University of Cambridge / Md Saifuddin Faruk, University of Cambridge / Adrian Wonfor, University of Cambridge / Seb Savory, University of Cambridge
4. 9:30 - 9:45
   M1I.4

   Demonstration of Auxiliary Management and Control Channel Transmission and Data-Channel Signal Compensation for Beyond 100G FDM Coherent PON

   Presenter: Wangwei Shen, Fudan University, China

    Presentation Details   Paper

   In Person

   We propose and demonstrate the transmission of AMCC and a novel signal-compensation method for data-channel in coherent FDM-PON. Sensitivity improvement of 6 dB is demonstrated with 150G capacity over 20-km fiber for FDM-PON with AMCC.Authors: Wangwei Shen, Fudan University / Jiaye Wang, Fudan University / Sizhe Xing, Fudan University / Guoqiang Li, Fudan University / Zhongya Li, Fudan University / An Yan, Fudan University / Ziwei Li, Fudan University / Chao Shen, Fudan University / Jianyang Shi, Fudan University / Nan Chi, Fudan University / Junwen Zhang, Fudan University
5. 9:45 - 10:00
   M1I.5

   Hybrid, Multi-Format, Flexible-Rate Coherent PON Supporting Ultimate-Simplified Coherent and Full-Coherent Receivers With Compatible OLT in Downstream

   Presenter: An Yan, Fudan university, China

    Presentation Details   Paper

   In Person Top Scored

   We propose and demonstrate a hybrid, multi-format and flexible-rate coherent PON system supporting ultimate-simplified coherent and full-coherent receivers based on the compatible OLT setup, achieving 50 to 300 Gbps access in FLCS-CPON based on 4/16/64-QAMs.Authors: An Yan, Fudan university / Guoqiang Li, Fudan university / Sizhe Xing, Fudan university / Yongzhu Hu, Fudan university / Wangwei Shen, Fudan university / Junhao Zhao, Fudan university / Ziwei Li, Fudan university / Chao Shen, Fudan university / Jianyang Shi, Fudan university / Nan Chi, Fudan university / Junwen Zhang, Fudan university

Waveguide Mode Converters and Fiber-to-Chip Couplers

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

   3D Self-Aligning, Polarization-Independent Fiber-to-Chip Couplers

   Presenter: Trisha Chakraborty, University of Maryland College Park, United States

    Presentation Details   Paper

   In Person

   We demonstrate low-loss (<1 dB), broadband (BW~100 nm near λ~1550 nm) and polarization-independent fiber-to-chip couplers using 3D nano-printed polymer structures on Si3N4-on-SiO2 platform.Authors: Ramesh K, University of Maryland College Park / Trisha Chakraborty, University of Maryland College Park / Thomas Murphy, University of Maryland College Park / Karen Grutter, Laboratory for Physical Sciences
2. 8:15 - 8:30
   M1J.2

   Broadband and Low-Loss Metamaterial Silicon Nitride Edge Coupler

   Presenter: An He, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   In Person

   We report a SiN edge coupler based on metamaterial structure with simple fabrication process, the coupling loss with SMF is 1.60/2.21 dB at 1310/1550 nm. The loss is smaller than 1.86/2.80 dB in O/S+C+L band.Authors: An He, Shanghai Jiao Tong University / Jinlong Xiang, Shanghai Jiao Tong University / Yaotian Zhao, Shanghai Jiao Tong University / Yuchen Yin, Shanghai Jiao Tong University / Yvjia Zhang, Shanghai Jiao Tong University / Xuhan Guo, Shanghai Jiao Tong University / Yikai Su, Shanghai Jiao Tong University
3. 8:30 - 8:45
   M1J.3

   A Partially Etched Silicon Spot-Size-Converter for O Band High NA Fibers

   Presenter: Min Teng, InnoLight Technology Ltd, China

    Presentation Details   Paper

   In Person

   An O band partially etched silicon edge coupler for 3.3 μm MFD fiber is proposed to enhance coupling efficiency and fabrication tolerance. It's experimentally demonstrated with < 1.25 dB/facet coupling loss and <0.1 dB PDL.Authors: Min Teng, InnoLight Technology Ltd / Hao Wu, InnoLight Technology Ltd / Feng Wang, InnoLight Technology Ltd / Jiangpeng Chen, InnoLight Technology Ltd / Ning Cheng, InnoLight Technology Ltd / Xuezhe Zheng, InnoLight Technology Ltd
4. 8:45 - 9:00
   M1J.4

   Towards Polarization Insensitive Photonic Integrated Circuits: Polarization Dependent Loss Reduction of CMOS-Integrated Monolithic SiPh Components

   Presenter: Qidi Liu, GlobalFoundries, United States

    Presentation Details   Paper

   In Person Top Scored

   We present recent advancements in reducing polarization-dependent-losses (PDLs) for crucial SiPh components. Our link-budget analysis unveils an almost 1.5dB reduction in total PDL for representative receiver circuits, resulting in a mere 0.35dB TE-TM-path insertion-loss imbalance.Authors: Yusheng Bian, GlobalFoundries / Qidi Liu, GlobalFoundries
5. 9:00 - 9:15
   M1J.5

   Low-Loss and Broadband Adiabatic Polarization Splitter Rotator on a CMOS-Integrated Silicon Photonics Platform

   Presenter: Ken Giewont, GlobalFoundries, United States

    Presentation Details   Paper

   We experimentally demonstrate an adiabatic polarization-splitter-rotator on a monolithic SiPh platform. Our measurements indicate an insertion-loss of <0.6 dB and polarization-dependent-loss of <0.3 dB across the O-band, accompanied by a polarization extinction exceeding 45 dB.Authors: Won Suk Lee, GlobalFoundries / Sujith Chandran, GlobalFoundries / Yusheng Bian, GlobalFoundries / Ken Giewont, GlobalFoundries
6. 9:15 - 9:30
   M1J.6

   Broadband Polarization Beam Splitter Rotator Using Only Silicon Nitride

   Presenter: Fatemeh Ghaedi Vanani, University of Central Florida, United States

    Presentation Details   Paper

   In Person

   We designed and fabricated a CMOS-compatible polarization beam splitter and rotator purely in Si3N4, achieving experimentally an insertion loss of ~1.5dB and a polarization extinction ratio greater than 15dB from 1280 to 1320nm.Authors: Fatemeh Ghaedi Vanani, University of Central Florida / Alireza Fardoost, University of Central Florida / Guifang Li, University of Central Florida / Christopher Doerr, Aloe Semiconductor
7. 9:30 - 9:45
   M1J.7

   Dual-Band Polarization Beam Splitter Based on Cascaded Multimode Anti-Symmetric Apodized Bragg Gratings

   Presenter: Guanglian Cheng, Huazhong University of Science and Techn, China

    Presentation Details   Paper

   Virtual

   We design and demonstrate a dual-band polarization beam splitter with insertion losses of 0.5/1.2dB and 3.1/1.1dB for TE/TM-polarizations at 1550 and 2000nm, respectively. The measured bandwidths for extinction ratio >20dB are ~115/100nm for 1.55/2μm waveband.Authors: Guanglian Cheng, Huazhong University of Science and Techn / Qiyuan Yi, Huazhong University of Science and Techn / Zengfan Shen, Huazhong University of Science and Techn / Zhiwei Yan, Huazhong University of Science and Techn / Qiyuan Li, Huazhong University of Science and Techn / Xinzhe Xiong, Huazhong University of Science and Techn / Fanglu Xu, Huazhong University of Science and Techn / Shuang Zheng, Huazhong University of Science and Techn / Yi Zou, The School of Information Science and Technology, ShanghaiTech University / Chaotan Sima, Huazhong University of Science and Techn / Li Shen, Huazhong University of Science and Techn / Shuai Cui, Huazhong University of Science and Techn / Yuan Yu, Huazhong University of Science and Techn
8. 9:45 - 10:00
   M1J.8

   A High-Speed Compact Polarization Controller in Silicon Photonics

   Presenter: Juan Villegas, New York University Abu Dhabi, United Arab Emirates

    Presentation Details   Paper

   Virtual

   An ultra-compact (17 µm) 1550 nm inverse-designed silicon polarization converter with an insertion loss < 0.5 dB and extinction ratio > 25 dB is demonstrated and used to build a polarization controller with 20Gbit/s modulation.Authors: Juan Villegas, New York University Abu Dhabi / Srinivasa Reddy, New York University Abu Dhabi / Mahmoud Rasras, New York University Abu Dhabi

Distributed Sensing I

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

   Distributed Acoustic Sensing Over Passive Optical Networks Using Enhanced Scatter Fiber

   Presenter: Benyuan Zhu, OFS Laboratories, United States

    Presentation Details   Paper

   In Person

   Simultaneous fiber-optic sensing and NG-PON data transmissions over a 1x16 splitter is demonstrated by enhanced scatter fiber. Acoustic signals from a single distribution fiber are identified. The crosstalk between sensing and data channels is studied.Authors: Benyuan Zhu, OFS Laboratories / Paul Westbrook, OFS Laboratories / Kenneth Feder, OFS Laboratories / zhou shi, OFS Laboratories / Ping Lu, OFS / Rober Dyer, OFS / Xiaoguang Sun, OFS / Jie Li, OFS / Daniel Peterson, OFS / David DiGiovanni, OFS Laboratories
2. 8:15 - 8:30
   M1K.2

   Correlation-Based OTDR for High-Resolution Monitoring in Passive Optical Networks

   Presenter: Wu Liu, National Key Laboratory of Optical Communication Technologies and Networks, China

    Presentation Details   Paper

   Virtual

   Utilizing correlation detection and comical optical transceivers, we detected <-58 dBm reflection signals with <10 cm spatial resolution in typical PON scenarios. Optical power monitoring and fault diagnosis are accomplished through analyzing the correlation results.Authors: Zhiyi Zhong, National Key Laboratory of Optical Communication Technologies and Networks / Wu Liu, National Key Laboratory of Optical Communication Technologies and Networks / Ming Luo, National Key Laboratory of Optical Communication Technologies and Networks / Ming Li, Fiberhome Telecommunication Technologies Co., Ltd / Xi Xiao, National Key Laboratory of Optical Communication Technologies and Networks
3. 8:30 - 8:45
   M1K.3

   Forward-Transmission Based Distributed Fiber Sensing Compatible With C+L Unidirectional Communication Systems

   Presenter: Xueyang Li, Peng Cheng Laboratory (PCL), China

    Presentation Details   Paper

   Virtual

   We propose forward-transmission based distributed fiber sensing that is compatible with C+L unidirectional communication systems and relaxes the requirement of remote timing synchrony. We demonstrate detection and accurate localization of polarization perturbation utilizing telecom transceivers.Authors: Jianwei Tang, Peng Cheng Laboratory (PCL) / Xueyang Li, Peng Cheng Laboratory (PCL) / Chen Cheng, Harbin Institute of Technology (Shenzhen) / Yaguang Hao, Peng Cheng Laboratory (PCL) / Bang Yang, Harbin Institute of Technology (Shenzhen) / Jiali Li, Peng Cheng Laboratory (PCL) / Zhixue He, Peng Cheng Laboratory (PCL) / Yanfu Yang, Peng Cheng Laboratory (PCL) / Weisheng Hu, Peng Cheng Laboratory (PCL)
4. 8:45 - 9:00
   M1K.4

   Multimodal Traffic Monitoring Using Two Co-Routed Field Deployed Fibers in Metropolitan Environments

   Presenter: Yaxi Yan, The HK Polytechnic University, Hong Kong

    Presentation Details   Paper

   In Person

   We present simultaneous monitoring of vehicle and railway traffic and coarse weight estimation by combining and analyzing spectra of vibration traces from two distributed fiber sensors on two co-routed field deployed fibers in metropolitan environments.Authors: Yaxi Yan, The HK Polytechnic University / Kausthubh Chandramouli, The HK Polytechnic University / Zhang Jingming, The HK Polytechnic University / Chao Lu, The HK Polytechnic University / Alan Lau, The HK Polytechnic University
5. 9:00 - 9:15
   M1K.5

   Inline Fiber Type Identification Using in-Service Brillouin Optical Time Domain Analysis

   Presenter: Ezra Ip, NEC Laboratories America Inc., United States

    Presentation Details   Paper

   In Person

   We proposed the use of BOTDA as a monitoring tool to identify fiber types present in deployed hybrid-span fiber cables, to assist in network planning, setting optimal launch powers, and selecting correct modulation formats.Authors: Ezra Ip, NEC Laboratories America Inc. / Yue-Kai Huang, NEC Laboratories America Inc. / Giacomo Borraccini, NEC Laboratories America Inc. / Toru Mano, NTT Network Innovation Labs / Tatsuya Matsushima, NTT Network Innovation Labs / Hideki Nishizawa, NTT Network Innovation Labs / Andrea D'Amico, NEC Laboratories America Inc. / Vittorio Curri, Politecnico di Torino / Daniel Kilper, Trinity College Dublin / Zehao Wang, Duke University / Gil Zussman, Columbia University / Tingjun Chen, Duke University / KOJI ASAHI, NEC Corporation
6. 9:15 - 9:30
   M1K.6

   Real-Time Urban Sensing by in-Fiber Interferometric System Over Field-Deployed Uncoupled 4-Core Fiber Cable

   Presenter: Pierpaolo Boffi, Politecnico di Milano, Italy

    Presentation Details   Paper

   In Person

   We demonstrate urban anthropic events monitoring through a sustainable and cost-effective interferometer sensor built by exploiting two cores of an uncoupled 4-core fiber in the first deployed multi-core fiber cable in L’Aquila, Italy.Authors: Marco Fasano, Politecnico di Milano / Tetsuya Hayashi, Sumitomo Electric Industries, Ltd / Takuji Nagashima, Sumitomo Electric Industries, Ltd / Antonio Mecozzi, University of L'Aquila / Cristian Antonelli, University of L'Aquila / Pierpaolo Boffi, Politecnico di Milano
7. 9:30 - 10:00
   M1K.7

   Structured Light Enhanced Shape Sensing in Multimode Fibers

   Presenter: Martin Lavery, University of Glasgow, United Kingdom

    Presentation Details   Paper

   In Person Invited

   Intermodal coupling and phase noise distorts optical fields as they propagate in fiber, limiting the accuracy of optical sensors. Utilising structured-light illumination and mode-demultiplexing for all-optical feature extraction, machine learning can be used to accurately determine the shape of few or multimode fibers.Authors: Sara Angelucci, University of Glasgow / Lubomir Skvarenina, University of Glasgow / Zhaozhong Chen, University of Glasgow / Adam Valles, ICFO-Institut de Ciencies Fotonique / Alasdair Clark, University of Glasgow / Martin Lavery, University of Glasgow

SC341 - Sub-carrier Modulation and Superchannels for Terabit-class DWDM Transceivers

SC369 -Hands-on: Test and Measurement for Coherent Optical Transceivers

SC393 - Digital Signal Processing for Coherent Optical Transceivers

SC433 - Introduction to Photodetectors and Optical Receivers

SC444 - Emerging Optical Communication Technologies for F5G evolution

SC448 - Evolving Software Defined Optical Network: Architecture and Design Principles

SC452 - FPGA Prototyping for Optical Subsystems

SC453A - Hands-on Fiber Optic Handling, Measurements, and Component Testing

SC454- Hands-on: Silicon Photonics Design - Circuits

SC473 - Photonic Switching Systems

SC483 - Machine Learning in Optical Networks

SC487 - Hands-On: Laboratory Automation and Control using Python (Advanced)

SC513 Data Center Short Links – Link Design, Modeling, Test and Measurements

SC525 Photonic and electronic packaging - materials, processes, equipment and reliability

SC527 Satellite Communications

SC465 - Transmission Fiber and Cables

Multi-Mode Propagation in Optical Fibers

1. 10:30 - 10:45
   M2A.1

   Scaling to 100 Modes by Exploiting Topological Confinement

   Presenter: Vineetha Ashok, Boston University, United States

    Presentation Details   Paper

   In Person

   By conducting a systematic study of the phenomenon of topological confinement for light transport, we demonstrate a record of 100 unmixed modes over ~22m of fiber with average nearest-neighbor crosstalk of -36 dB.Authors: Vineetha Ashok, Boston University / Aaron Peterson-Greenberg, Boston University / Zelin Ma, Boston University / Isabelle Boegholm, Boston University / Cheng Peng, Boston University / Poul Kristensen, OFS-Fitel / Siddharth Ramachandran, Boston University
2. 10:45 - 11:00
   M2A.2

   Differential Modal Delay Controlling of 4-LP Mode Optical Fiber by High-Density Cable With Low Cabling Loss

   Presenter: Masashi Kikuchi, NTT Corporation, Japan

    Presentation Details   Paper

   In Person

   We first clarified the design of low-loss-increment cable with 4-LP-mode fiber. We numerically and experimentally confirmed the feasibility of differential modal delay control and a 25 ps/km controllability potential with low cabling loss.Authors: Masashi Kikuchi, NTT Corporation / Takayoshi Mori, NTT Corporation / Yusuke Yamada, NTT Corporation
3. 11:00 - 11:15
   M2A.3

   Comparison of Polarization Rotations Caused by Fiber Bending in Single- and Multi-Mode-Fibers

   Presenter: Christian Spenner, TU Dortmund, Germany

    Presentation Details   Paper

   In Person

   We measure mode group resolved polarization rotations caused by fiber bending in a 10-mode-GI-Fiber. For the fundamental mode of the GI-Fiber, we observe faster rotations than predicted from simulations.Authors: Christian Spenner, TU Dortmund / Klaus Petermann, TU Berlin / Peter Krummrich, TU Dortmund
4. 11:15 - 11:30
   M2A.4

   Broadband Characterization of Randomly Coupled 19-Core Multicore Fiber

   Presenter: Lauren Dallachiesa, Nokia Bell Labs, United States

    Presentation Details   Paper

   In Person

   We evaluate 19-core randomly-coupled multi-core fiber using swept wavelength interferometry in the O-, E-, C- and L-bands. We show a differential mode delay reduction when unspooling the fiber and increased randomization length at shorter wavelengths.Authors: Lauren Dallachiesa, Nokia Bell Labs / Nicolas Fontaine, Nokia Bell Labs / Roland Ryf, Nokia Bell Labs / Mikael Mazur, Nokia Bell Labs / Haoshuo Chen, Nokia Bell Labs / Georg Rademacher, University of Stuttgart / Ruben Luis, NICT / Benjamin Puttnam, NICT / Hideaki Furukawa, NICT / Ayumi Inoue, Sumitomo Electric Industries / Takuji Nagashima, Sumitomo Electric Industries / Tetsuya Hayashi, Sumitomo Electric Industries
5. 11:30 - 12:00
   M2A.5

   Mode Coupling in Optical Fibers

   Presenter: Luca Palmieri, Universita degli Studi di Padova, Italy

    Presentation Details   Paper

   In Person Invited

   Mode coupling plays a crucial role in spatial-division-multiplexed transmission systems. This paper review and explores new approaches to modelling and characterization of mode coupling modelling in multicore and multimode fibers.Authors: Luca Palmieri, Universita degli Studi di Padova
6. 12:00 - 12:00

   (Withdrawn) Advances in Few-Mode Fiber Manufacturing and Characterization

   Presenter: Frank Achten, Prysmian Group, Netherlands

    Presentation Details

   Invited

   A review of recent advances in manufacturing and characterizing low-differential-mode-group-delay few-mode fibers is presented. These fibers can support up to 10 mode groups, i.e., 55 spatial modes. ©2024 The Authors.Authors: Frank Achten, Prysmian Group / Marianne Bigot-Astruc, Prysmian Group / Pierre Sillard, Prysmian Group

Datacom: Coding and Equalization

1. 10:30 - 11:30
   M2B.1

   Probabilistic Shaping for Direct-Detection Optical Systems

   Presenter: Joseph Kahn, Stanford University, United States

    Presentation Details   Paper

   In Person Tutorial

   We study probabilistic shaping for direct-detection systems that modulate the intensity or Stokes vector and are limited by thermal or amplifier noise, obtaining analytical formulas for the optimal (non-Gaussian) input distributions and corresponding shaping gains.Authors: Joseph Kahn, Stanford University / Ethan Liang, Stanford University
2. 11:30 - 11:45
   M2B.2

   Trellis Shaping-Based Sequence Selection for Inter-Datacenter Single-Span Links

   Presenter: Xiang Li, China University of Geosciences, China

    Presentation Details   Paper

   In Person

   We propose trellis shaping technique to implement sequence selection for fiber nonlinearity mitigation in inter-datacenter single-span link. A gain in AIR of 0.2 bits/4D-symbol compared with MB shaping is achieved experimentally over a five-channel 80-km fiber link.Authors: Xiang Li, China University of Geosciences / Junyang Tang, China University of Geosciences / Zenpeng Gong, China University of Geosciences / Pengpeng Wei, China University of Geosciences / Xuemeng Hu, China University of Geosciences / Tianye Huang, China University of Geosciences / Xiao Xiao, Zhongrui Sulian (Wuhan) Science and Technolo
3. 11:45 - 12:00
   M2B.3

   4-Lambda LAN-WDM 1.6-Tb/s 2-km Transmission With Nonlinear Maximum Likelihood Sequence Estimation.

   Presenter: Hiroki Taniguchi, NTT Network Innovation Laboratories, Japan

    Presentation Details   Paper

   We demonstrate, for the first time, a capacity of 1.6 Tb/s over 2 km of single-mode fiber on the O-band LAN-WDM grid with 4-lane 400-Gb/s/lane signals with 155-GBd PAM-8 signals enhanced by NL-MLSE.Authors: Hiroki Taniguchi, NTT Network Innovation Laboratories / Masanori Nakamura, NTT Network Innovation Laboratories / Fukutaro Hamaoka, NTT Network Innovation Laboratories / Shuto Yamamoto, NTT Network Innovation Laboratories / Yutaka Miyamoto, NTT Network Innovation Laboratories / Etsushi Yamazaki, NTT Network Innovation Laboratories
4. 12:00 - 12:15
   M2B.4

   912-Gbits/s/Channel PDM-PS-256QAM NANF Transmission Using IQ-Crosstalk Robust MIMO Equalizer Integrated With Decision-Directed CPE

   Presenter: Chen Wang, Fudan University, China

    Presentation Details   Paper

   Virtual

   We realized 912-Gbits/s/channel coherent PDM-PS-256QAM transmission over 2-km NANF utilizing a novel multiple-input multiple-output real-valued equalizer embedded with the decision-directed carrier phase estimation algorithm.Authors: Chen Wang, Fudan University / Jianyu Long, Fudan University / Kaihui Wang, Fudan University / Wen Zhou, Fudan University / Lei Shen, Yangtze Optical Fiber and Cable / Peng Li, Yangtze Optical Fiber and Cable / Jianjun Yu, Fudan University
5. 12:15 - 12:30
   M2B.5

   Investigation of Concatenated KP4 FEC With Single-Parity-Check Codes for Short-Reach IM/DD Systems

   Presenter: Tom Wettlin, Huawei Technologies, Germany

    Presentation Details   Paper

   In Person

   We investigate the concatenation of KP4 FEC with short single-parity-check codes. This represents an intermediate solution in terms of performance, complexity and latency between standalone KP4 FEC and concatenated schemes based on stronger soft-decision codes.Authors: Tom Wettlin, Huawei Technologies / Stefano Calabro, Huawei Technologies / Nebojsa Stojanovic, Huawei Technologies / Youxi Lin, Huawei Technologies / Talha Rahman, Huawei Technologies

Green Transformation: Where Do We Stand? II

1. 10:30 - 11:00
   M2C.1

   Solutions to Increase Energy Efficiency of Optical Networks

   Presenter: Nicola Sambo, Scuola Superiore Sant'Anna, Italy

    Presentation Details   Paper

   Invited

   Power consumption of devices and network functionalities in optical infrastructures is reviewed. Then, possible short-, medium-, and long-term solutions to reduce and make energy consumption scalable are discussed.Authors: Nicola Sambo, Scuola Superiore Sant'Anna
2. 11:00 - 11:30
   M2C.2

   Can Photonics Help in Reducing the Power Consumption in Radio Access Networks?

   Presenter: Fabio Cavaliere, Ericsson, Italy

    Presentation Details   Paper

   In Person Invited

   we discuss the challenges of future radio access networks in meeting the growth of traffic without a parallel explosion of energy consumption. The opportunities offered by integrated photonics technologies are analyzed.Authors: Fabio Cavaliere, Ericsson / Alessandra Bigongiari, Ericsson / Antonio Tartaglia, Ericsson
3. 11:30 - 12:00
   M2C.4

   Rethinking Telcos Central Offices for Green Transformation

   Presenter: Andreas Gladisch, Deutsche Telekom AG Laboratories, Germany

    Presentation Details

   In Person Invited

   Telecommunication undergoes green transformation. The increasing efficiency of the telco-equipment can be complemented by transformation how to interact with the electrical grid, for example by electricity generation and storage, and how heat waste is used.Authors: Andreas Gladisch, Deutsche Telekom AG Laboratories
4. 12:00 - 12:00
   M2C.3

   (Withdrawn) Effective Use of Renewable Energy in Data Centers

   Presenter: Masaki Kozai, NTT Corp., Japan

    Presentation Details

   In Person Invited

   This presentation will introduce a technology that adjusts demand to fluctuating renewable energy generation by optimizing the temporal and spatial placement of workloads between distant data centers.Authors: Masaki Kozai, NTT Corp.

VCSELs and Modulator Technologies

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

   Lithographic Aperture VCSELs Enabling Beyond 100G Datacom Applications

   Presenter: Stefano Tirelli, Coherent II-VI Laser Enterprise GmbH, Switzerland

    Presentation Details   Paper

   In Person

   This paper reports the first demonstration of lithographic aperture VCSELs with bandwidth above 29 GHz. Large-signal measurements and preliminary lifetime data are reported, putting forward lithographic aperture as an enabling technology for applications beyond 100G.Authors: Stefano Tirelli, Coherent II-VI Laser Enterprise GmbH / Elisabetta Corti, Coherent II-VI Laser Enterprise GmbH / Eimantas Duda, Coherent II-VI Laser Enterprise GmbH / Antoine Pissis, Coherent II-VI Laser Enterprise GmbH / Mirko Hoser, Coherent II-VI Laser Enterprise GmbH / Matthias Paul, Coherent II-VI Laser Enterprise GmbH / Evgeny Zibik, Coherent II-VI Laser Enterprise GmbH
2. 10:45 - 11:00
   M2D.2

   Cryogenic Oxide-VCSEL at 2.8 K Demonstrates Record Bandwidth f_-3dB > 50 GHz, P_out > 14 mW and PAM-4 Data Rate up to 128 Gb/s

   Presenter: Haonan Wu, Nick Holonyak, Jr. Micro and Nanotechnology Laboratory, United States

    Presentation Details   Paper

   In Person

   We report record speed-power and ultrahigh linearity performance for a 6.8 um oxide-aperture VCSEL operated at 2.8 K. The device demonstrates data rate up to 128 Gb/s PAM-4 and 64 Gb/s NRZ.Authors: Haonan Wu, Nick Holonyak, Jr. Micro and Nanotechnology Laboratory / Wenning Fu, Nick Holonyak, Jr. Micro and Nanotechnology Laboratory / Zetai Liu, Nick Holonyak, Jr. Micro and Nanotechnology Laboratory / Yulin He, Nick Holonyak, Jr. Micro and Nanotechnology Laboratory / Milton Feng, Nick Holonyak, Jr. Micro and Nanotechnology Laboratory
3. 11:00 - 11:30
   M2D.3

   Toward 200G per Lane VCSEL-Based Multimode Links

   Presenter: Ramana Murty, Broadcom Corporation, United States

    Presentation Details   Paper

   In Person Invited

   Progress in the development of multimode 850 nm VCSELs is demonstrated at 100 GBd PAM4 operation, and at 53.125 GBd PAM4 with transmission over 100 m of OM3 fiber. Continued advances will help introduce the next generation of multimode links.Authors: Ramana Murty, Broadcom Corporation / Jingyi Wang, Broadcom Corporation / Sizhu Jiang, Broadcom Corporation / David Dolfi, Broadcom Corporation / Tak Wang, Broadcom Corporation / Derek Vaughan, Broadcom Corporation / Laura Giovane, Broadcom Corporation
4. 11:30 - 11:45
   M2D.4

   Single-Mode VCSEL With Zn-Diffusion Apertures and Strong Immunity Against Optical Feedback for Improved Data Transmission

   Presenter: Jin-Wei Shi, National Central University, Taiwan

    Presentation Details   Paper

   In Person

   We demonstrate state-of-the-art performances of single-mode VCSELs, including wide-bandwidth (27GHz), high-power (6.7mW), low-RIN (-137dB/Hz), and invariant 56Gbps eye patterns under strong optical feedback (-6dB). It achieves error-free 46Gbit/sec transmission through 0.5km MMF without using equalizers.Authors: Min-Long Wu, National Central University / Cheng-Wei Lin, National Central University / Jin-Wei Shi, National Central University
5. 11:45 - 12:00
   M2D.5

   59-fJ/bit Si Photonic Crystal Slow-Light Modulator With FinFET-Compatible Driving Voltage

   Presenter: Keisuke Kawahara, Yokohama National University, Japan

    Presentation Details   Paper

   In Person

   Si Mach-Zehnder modulator with slow-light enhancement of photonic crystal phase shifter consumes a low bit energy of 59 fJ/bit and transmits a 64-Gbaud NRZ signal with a FinFET-compatible driving voltage of 0.87 V.Authors: Keisuke Kawahara, Yokohama National University / Tai Tsuchizawa, National Institute of Advanced Industrial Science and Technology / Noritsugu Yamamoto, National Institute of Advanced Industrial Science and Technology / Yuriko Maegami, National Institute of Advanced Industrial Science and Technology / Koji Yamada, National Institute of Advanced Industrial Science and Technology / Toshihiko Baba, Yokohama National University
6. 12:00 - 12:15
   M2D.6

   112 Gbaud Optical PAM8 Modulation Based on Segmented Thin Film Lithium Niobate Modulator

   Presenter: Yang Liu, National optoelectronics innovation center, China

    Presentation Details   Paper

   Virtual

   We experimentally demonstrate an optical transmission of 112 Gbaud PAM8 based on a segmented thin film lithium niobate modulator in an IMDD link. The Vpp of two single-ended RF signals are 2.5V and 3.5 V.Authors: Yang Liu, National optoelectronics innovation center / Qiansheng Wang, National optoelectronics innovation center / Changqing Wang, National optoelectronics innovation center / Dingyi Wu, National optoelectronics innovation center / Peiqi Zhou, National optoelectronics innovation center / Ye Liu, National optoelectronics innovation center / Hongguang Zhang, National optoelectronics innovation center / Daigao Chen, National optoelectronics innovation center / Xi Xiao, National optoelectronics innovation center
7. 12:15 - 12:30
   M2D.7

   An Ultimate-High Linear Silicon Modulator Based on All-Optical Linearization Method

   Presenter: Fan Jingyang, Zhejiang University, China

    Presentation Details   Paper

   Virtual

   We proposed an ultimate-high linear silicon-based modulator based on all-optical linearization method, which demonstrates an SFDR as high as 131/127 dB×Hz6/7 at 1/10 GHz.Authors: Fan Jingyang, Zhejiang University / Qiang Zhang, Zhejiang Lab / Shengyu Fang, Zhejiang University / Xingyi Jiang, Zhejiang University / Shuyue Zhang, Zhejiang University / Hui Yu, Zhejiang Lab

SDM Amplifiers and Multiplexers

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

   Energy Efficient Multicore Fiber Amplifiers

   Presenter: Yong-min Jung, University of Southampton, United Kingdom

    Presentation Details

   In Person Invited

   Energy-efficient multicore fiber (MCF) amplifiers are crucial for establishing future high-capacity submarine transmission systems. This paper reviews recent advancements and explores future directions in MCF amplifier development, highlighting their potential for cost-effective and power-efficient operation.Authors: Yong-min Jung, University of Southampton / Sijing Liang, University of Southampton / John Downie, Corning / Sergejs Makovejs, Corning Inc. / Merrion Edwards, Corning Inc. / Periklis Petropoulos, University of Southampton
2. 11:00 - 11:15
   M2E.2

   Advancements in Fanout Technology for SDM Applications

   Presenter: Victor Kopp, Chiral Photonics Inc, United States

    Presentation Details   Paper

   In Person

   Real-world SDM deployment requires the development of a supporting ecosystem. Recent technological advancements allow for volume production of key components of this ecosystem, MCF fanouts, which meet demanding performance requirements.Authors: Victor Kopp, Chiral Photonics Inc / Jongchul Park, Chiral Photonics Inc / Jing Zhang, Chiral Photonics Inc / Jon Singer, Chiral Photonics Inc / Dan Neugroschl, Chiral Photonics Inc
3. 11:15 - 11:30
   M2E.3

   Fiber Bundle Fan-in/Fan-out (FIFO) for Coupled MCF With High-Δ 4-Core Fiber Pitch Converter

   Presenter: Masanori Takahashi, Furukawa Electric, Japan

    Presentation Details   Paper

   In Person

   Low-loss fiber bundle FIFO with stretched high-Δ 4-core fiber pitch converter is developed. Core pitch and insertion loss of the FIFO are reduced to 18.4 μm and 0.84 dB including splice loss to CC-MCF.Authors: Masanori Takahashi, Furukawa Electric / Tsubasa Sasaki, Furukawa Electric / Ryuichi Sugizaki, Furukawa Electric
4. 11:30 - 12:00
   M2E.4

   Energy-Efficient Cladding-Pumped Amplifier for Coupled Multi-Core Fiber Transmission

   Presenter: Taiji Sakamoto, NTT Access Network Service Systems Laboratories, Japan

    Presentation Details   Paper

   In Person Invited

   We review energy-efficient cladding-pumped multi-core amplification technologies and experimentally demonstrate the advantages of using a coupled-12-core amplifier for improving the amplification efficiency.Authors: Taiji Sakamoto, NTT Access Network Service Systems Laboratories / Masaki Wada, NTT Access Network Service Systems Laboratories / Ryota Imada, NTT Access Network Service Systems Laboratories / Kazuhide Nakajima, NTT Access Network Service Systems Laboratories
5. 12:00 - 12:15
   M2E.5

   Ultra-Wideband Mode Selective Couplers for Weakly-Coupled WDM-MDM Transmission

   Presenter: Juhao Li, Peking University, China

    Presentation Details   Paper

   In Person

   Ultra-wideband mode selective couplers satisfying strict phase-matching conditions across S+C+L bands for mode multiplexing/demultiplexing of a 4-LP-mode FMF are designed and fabricated with side-polishing processing, based on which weakly-coupled FMF transmission is experimentally demonstrated.Authors: Chengbin Long, Peking University / Jian Cui, Department of Networks, China Mobile Communications Group Co., Ltd., Beijing 100033, China. / Yuyang Gao, Peking University / Gang Qiao, Peking University / Baolong Zhu, Peking University / Jiarui Zhang, Peking University / Yu Yang, Peng Cheng Laboratory / Lei Shen, State Key Laboratory of Optical Fiber and Cable Manufacture Technology / Jie Luo, State Key Laboratory of Optical Fiber and Cable Manufacture Technology / Yongqi He, Peking University / Zhangyuan Chen, Peking University / Juhao Li, Peking University
6. 12:15 - 12:30
   M2E.6

   Characterization of Ten-Mode EDFA Using Swept Wavelength Interferometer and Digital Holography

   Presenter: Yetian Huang, Shanghai University, China

    Presentation Details   Paper

   In Person Top Scored

   We characterize the spatially and spectrally resolved gain profiles of a ten-mode EDFA over C+L band via Rayleigh backscattering measured by a coherent swept wavelength interferometer. Wavelength-dependent mode-dependent gain is characterized employing digital holography.Authors: Yetian Huang, Shanghai University / Hanzi Huang, Shanghai University / Yan Wu, Shanghai University / Haoshuo Chen, Nokia bell labs / Jianxiang Wen, Shanghai University / Lauren Dallachiesa, Nokia bell labs / Nicolas Fontaine, Nokia bell labs / Cheng Guo, Nokia bell labs / Mikael Mazur, Nokia bell labs / Rene Essiambre, Nokia bell labs / Yingxiong Song, Shanghai University / Tingyun Wang, Shanghai University / Roland Ryf, Nokia bell labs

Sub-Millimeter Wave and THz Communication

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

   300 GHz Photonic-Wireless Transmission With Aggregated 1.034 Tbit/s Data Rate Over 100 m Wireless Distance

   Presenter: Hongqi Zhang, Zhejiang university, China

    Presentation Details   Paper

   Virtual Top Scored

   We present a long-distance ultrafast THz photonic-wireless communication system by combining frequency-, polarization- and spatial- division multiplexing techniques. An aggregated net rate of 1.034 Tbit/s over record 100 m at 300 GHz is successfully demonstrated.Authors: Hongqi Zhang, Zhejiang university / Zuomin Yang, Zhejiang university / Zhidong Lyu, Zhejiang university / Hang Yang, Zhejiang university / Lu Zhang, Zhejiang university / Xiaodan Pang, Royal Institute of Technology / Oskars Ozolins, Royal Institute of Technology / Xianmin Zhang, Zhejiang university / Xianbin Yu, Zhejiang university
2. 10:45 - 11:00
   M2F.2

   Dual-Sideband Receiver Enabling 160 Gbps Direct SubThz-to-Optical Conversion Over 1400 m

   Presenter: Tobias Blatter, ETH Zurich, Switzerland

    Presentation Details   Paper

   In Person

   A dual-sideband reception scheme for RF links providing up to 3 dB sensitivity improvement is introduced and tested to bridge 1400 m wireless distance between 160 Gbps fiber networks at an RF of 226 GHz.Authors: Tobias Blatter, ETH Zurich / Laurenz Kulmer, ETH Zurich / Boris Vukovic, ETH Zurich / Yannik Horst, ETH Zurich / Marcel Destraz, Polariton Technology / Jasmin Smajic, ETH Zurich / Juerg Leuthold, ETH Zurich
3. 11:00 - 11:30
   M2F.3

   THz Communication Enabled by Photonics

   Presenter: Cyril Renaud, University College London, United Kingdom

    Presentation Details

   Virtual Invited

   This presentation will look at the contribution of photonic solutions for THz wireless communication. We will review the most recent results and explore some of the possible routes that could be investigated through photonic technologies.Authors: Cyril Renaud, University College London
4. 11:30 - 11:45
   M2F.4

   Demonstration of 200 Gbps D-Band Wireless Delivery in a 4.6 km 2×2 MIMO System

   Presenter: Yi Wei, Fudan university, China

    Presentation Details   Paper

   Virtual

   A 4.6-km 2×2 MIMO wireless system at D-band is experimentally demonstrated with a total data rate of 200 Gbps and a record-breaking capacity-distance product of 920 Gbps*km at D-band.Authors: Yi Wei, Fudan university / Jianjun Yu, Fudan university / Mingxu Wang, Fudan university / Xianming Zhao, Harbin Institute of Technology / Xiongwei Yang, Fudan university / Weiping Li, Fudan university / Peng Tian, Fudan university / Yang Han, Fudan university / Qiutong Zhang, Fudan university / Jingwen Tan, Fudan university / Bing Zhang, Fudan university / Feng Zhao, Xi’an University of Posts and Telecommunications / Wen Zhou, Fudan university / Kaihui Wang, Fudan university
5. 11:45 - 12:00
   M2F.5

   Demonstration of W-Band 2×2 MIMO Millimeter Delivery Employing CMA and MRC Technology With Over 7dB Gain

   Presenter: Qiutong Zhang, Fudan University, China

    Presentation Details   Paper

   Virtual

   We demonstrate 32 GBaud QPSK signal transmission over a 2 m wireless range at 93.5 GHz using CMA and MRC techniques with over 7 dB gain in a photon-assisted millimeter wave 2×2 MIMO communication system.Authors: Qiutong Zhang, Fudan University / Jianjun Yu, Fudan University / Weiping Li, Fudan University / Min Zhu, Purple Mountain Laboratories / Jiao Zhang, Purple Mountain Laboratories / Junjie Ding, Purple Mountain Laboratories / Xianming Zhao, Harbin Institute of Technology / jiaxuan liu, Fudan University / Yi Wei, Fudan University / Kaihui Wang, Fudan University / Wen Zhou, Fudan University / Bo Liu, Fudan University / Feng Zhao, XUPT / Jianguo Yu, BUPT
6. 12:00 - 12:15
   M2F.6

   Expanded Gain-Switched Comb Source for 180 – 260 GHz Sub-THz Analog Radio-Over-Fiber 6G Wireless System

   Presenter: Amol Delmade, Dublin City University, Ireland

    Presentation Details   Paper

   In Person

   We demonstrate the successful generation and transmission of low-subcarrier spacing (up to 500 kHz) 6G compatible sub-THz OFDM signals in the 180 to 260 GHz frequency band using an expanded gain-switched laser comb source and waveguide-integrated photodiode antenna.Authors: Amol Delmade, Dublin City University / Cristian Vargas, Pilot Photonics Pvt. / Alison Kearney, Pilot Photonics Pvt. / Simon Nellen, Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute (HHI) / Robert Kohlhaas, Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute (HHI) / Martin Schell, Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute (HHI) / David Coffey, Pilot Photonics Pvt. / Frank Smyth, Pilot Photonics Pvt. / Liam Barry, Dublin City University
7. 12:15 - 12:30
   M2F.7

   Dual Band Wireless Transmission Over 75-150GHz Millimeter Wave Carriers Using Frequency-Locked Laser Pairs

   Presenter: Zichuan Zhou, University College London, United Kingdom

    Presentation Details   Paper

   In Person

   We generate and transmit 75-GHz-bandwidth OFDM signals over the air using three mutually frequency-locked lasers, achieving minimal frequency gap between the wireless W and D bands using optical-assisted approaches, resulting in 173.5 Gb/s detected capacity.Authors: Zichuan Zhou, University College London / Amany Kassem, University College London / James Seddon, University College London / Eric Sillekens, University College London / Izzat Darwazeh, University College London / Polina Bayvel, University College London / Zhixin Liu, University College London

Photonic Switched Data Center Networks

1. 10:30 - 11:00
   M2G.1

   Photonic Switched Networking for Data Centers and Advanced Computing Systems

   Presenter: Paraskevas Bakopoulos, NVIDIA, Greece

    Presentation Details   Paper

   In Person Invited

   We explore optical switching to extend network programmability to the physical layer. We present applications of our Layer-1 SDN for improving fabric resilience against hardware failures and saving network power and cost in Deep-Learning training.Authors: Paraskevas Bakopoulos, NVIDIA / Giannis Patronas, NVIDIA / Nikos Terzenidis, NVIDIA / Zsolt-Alon Wertheimer, NVIDIA / Prethvi Kashinkunti, NVIDIA / Dimitris Syrivelis, NVIDIA / Eitan Zahavi, NVIDIA / Louis Capps, NVIDIA / Nikos Argyris, NVIDIA / Luke Yeager, NVIDIA / Julie Bernauer, NVIDIA / Elad Mentovich, NVIDIA
2. 11:00 - 11:15
   M2G.2

   Mode-Selective Reconfigurable Optical Add-Drop Multiplexers Experimentally Validated With 40 Gbps NRZ/PAM4

   Presenter: Sunami Sajjanam Morrison, McGill University, Canada

    Presentation Details   Paper

   In Person Top Scored

   We experimentally demonstrate a mode-selective ROADM for two transverse-electric modes using a mode-selective phase shifter in the switch. We show 40 Gbps NRZ transmission and 20 GBaud PAM4 transmission for two simultaneously transmitted optical modes.Authors: Kaveh Hassan Rahbardar Mojaver, McGill University / Sunami Sajjanam Morrison, McGill University / S. Mohammad Reza Safaee, McGill University / Odile Liboiron-Ladouceur, McGill University
3. 11:15 - 11:30
   M2G.3

   Intra-Datacenter Optical Circuit Switch Architecture With Multi-Band Transmission Technologies

   Presenter: Takuma Kuno, Nagoya University, Japan

    Presentation Details   Paper

   In Person

   This paper proposes an optical circuit switch architecture using multi-band transmission. We experimentally confirmed the performance of 1,280×1,280 switch with 32-Gbaud dual-polarization QPSK signals aligned on 33-GHz grid in the C- and L- bands.Authors: Takuma Kuno, Nagoya University / Reiji Higuchi, Nagoya University / Kazato Satake, Nagoya University / Hayato Yuasa, Nagoya University / Yojiro Mori, Nagoya University / Hiroshi Hasegawa, Nagoya University
4. 11:30 - 11:45
   M2G.4

   Demonstration of Hitless OCS Provision for Multi-Modal Traffic in a Centralized Scheduling Hybrid Optical/Electrical Datacenter Network

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

    Presentation Details   Paper

   In Person

   We demonstrate a hitless OCS provision in a centralized scheduling hybrid optical/electrical datacenter network through a real-time FPGA-based testbed. Experimental results show that it achieves a low packet delay and flow completion time accelerations.Authors: Shi Feng, Beijing University of Posts and Telecomm / Jiawei Zhang, Beijing University of Posts and Telecomm / Jun Dai, Beijing University of Posts and Telecomm / Yashe Liu, Huawei Technologies Co., Ltd / Xiaorun Wang, Beijing University of Posts and Telecomm / Yuefeng Ji, Beijing University of Posts and Telecomm
5. 11:45 - 12:00
   M2G.5

   Converged Inter/Intra All-Optical DC Network Externally Distributing Optical Carriers to Coherent Transceivers

   Presenter: Ritsuki Hamagami, NTT, Japan

    Presentation Details   Paper

   In Person

   We propose a DCN that directly connects server racks distributed among DCs through ROADM-based nodes. External light sources are introduced to coherent transceivers to avoid laser-diodes being operated under high temperature conditions on top-of-rack switches.Authors: Ritsuki Hamagami, NTT / Masamichi Fujiwara, NTT / Naotaka Shibata, NTT / Shin Kaneko, NTT / Jun-ichi Kani, NTT / Tomoaki Yoshida, NTT
6. 12:00 - 12:30
   M2G.6

   Performance of Radix Sort Using All-to-all Optical Interconnection Network in an Eight-FPGA Cluster

   Presenter: Kenji Mizutani, AIST, Japan

    Presentation Details   Paper

   In Person Invited

   This paper presents a high-throughput dataflow processing using all-to-all communication with eight FPGAs. We demonstrated a parallel radix sorting throughput of 37.2 GB/s for 32-bit key range and 16-GiB data size.Authors: Kenji Mizutani, AIST / Yutaka Urino, PETRA / Takanori Shimizu, PETRA / Hiroshi Yamaguchi, PETRA / Shigeru Nakamura, PETRA / Tatsuya Usuki, AIST / Kiyo Ishii, AIST / Ryosuke Matsumoto, AIST / Takashi Inoue, AIST / Shu Namiki, AIST / Michihiro Koibuchi, NII

High-Speed Transceivers and Transmission

1. 10:30 - 11:00
   M2H.1

   Toward 1.6T Low-Power Coherent DSP: Challenges, and Lessons Learned From Preceding Generations

   Presenter: Shu Hao Fan, Marvell Semiconductor Inc., United States

    Presentation Details   Paper

   In Person Invited

   We reviewed the progression of coherent mixed-signal ASIC technology since 40nm silicon and identified the critical path toward beyond-terabit-per-wavelength pluggable modules. Challenge in aspects of ASIC design and optical components was explored.Authors: Shu Hao Fan, Marvell Semiconductor Inc.
2. 11:00 - 11:15
   M2H.2

   240GBd-16QAM Single-Carrier Coherent Transmission Over 120km SSMF for a Bandwidth Limited System With 1sps Speed and Simple DSP

   Presenter: Guoxiu Huang, Fujitsu Limited, Japan

    Presentation Details   Paper

   Virtual Top Scored

   The transmission over 120km SSMF of 240GBd-16QAM coherent system with optical bandwidth of 148GHz was experimentally demonstrated. The novel transceiver DSP was simply implemented at 1sample/symbol speed for low power consumption with high transmitter output.Authors: Guoxiu Huang, Fujitsu Limited / Yo Nakamura, Fujitsu Limited / Hisao Nakashima, Fujitsu Limited / Takeshi Hoshida, Fujitsu Limited
3. 11:15 - 11:30
   M2H.3

   AMUX-Based Bandwidth Tripler With Time-Interleaved Nonlinear Digital Pre-Distortion Enabling 216-GBd PS-PAM8 Signal

   Presenter: Masanori Nakamura, NTT Network Innovation Laboratories, Japan

    Presentation Details   Paper

   In Person Top Scored

   We propose an analog filterless InP-DHBT AMUX-based bandwidth tripler with a time-interleaved nonlinear digital pre-distortion for tripler and optical frontend impairments, achieving a net-bitrate 496.9-Gb/s signal generation and 483.9-Gb/s 11-km transmission with single-carrier 216-GBd PS-PAM8.Authors: Masanori Nakamura, NTT Network Innovation Laboratories / Munehiko Nagatani, NTT Network Innovation Laboratories / Hiroshi Yamazaki, NTT Network Innovation Laboratories / Teruo Jyo, NTT Device Technology Laboratories / Miwa Mutou, NTT Device Technology Laboratories / Yuta Shiratori, NTT Device Technology Laboratories / Hitoshi Wakita, NTT Device Technology Laboratories / Hiroki Taniguchi, NTT Network Innovation Laboratories / Shuto Yamamoto, NTT Network Innovation Laboratories / Fukutaro Hamaoka, NTT Network Innovation Laboratories / Takayuki Kobayashi, NTT Network Innovation Laboratories / Hiroyuki Takahashi, NTT Network Innovation Laboratories / Yutaka Miyamoto, NTT Network Innovation Laboratories
4. 11:30 - 11:45
   M2H.4

   467 Gbit/s Net Bitrate IM/DD Transmission Using 176 GBd PAM-8 Enabled by SiGe AMUX With Excellent Linearity

   Presenter: Qian Hu, Nokia Bell Labs, United States

    Presentation Details   Paper

   In Person Top Scored

   Using a SiGe analog multiplexer (AMUX) integrated circuit we generate a PAM-8 signal at 176 GBd by time-interleaving two 88 GBd tributaries. High-quality signal is obtained after interleaving thanks to the excellent linearity of the AMUX. We successfully demonstrate net bitrates up to 467 Gbit/s after 2 km fiber transmission.Authors: Qian Hu, Nokia Bell Labs / Tobias Tannert, University of Stuttgart, INT / Markus Grözing, University of Stuttgart, INT / Gregory Raybon, Nokia Bell Labs / Robert Borkowski, Nokia Bell Labs / Fred Buchali, Nokia, Network Infrastructure – Optical Networks Division / Xi Chen, Nokia Bell Labs / Pat Iannone, Nokia Bell Labs / Georg Rademacher, University of Stuttgart, INT / Roland Ryf, Nokia Bell Labs
5. 11:45 - 12:00
   M2H.5

   Reach Extension of Net-200G/λ IM-DD PAM4 Links to Beyond-100km With Low-Complexity Using OE-EQ

   Presenter: Paikun Zhu, National Inst of Information & Comm Tech, Japan

    Presentation Details   Paper

   In Person

   We report C-band net-202Gb/s/λ IM-DD PAM4 transmission over single-span up-to-100.9km SSMF using only a single-drive intensity modulator, one PD, one ADC, low-complexity DSP and practical FEC, based on a theory-backed optoelectronic equalization (OE-EQ) technique.Authors: Paikun Zhu, National Inst of Information & Comm Tech / Yuki Yoshida, National Inst of Information & Comm Tech / Kouichi Akahane, National Inst of Information & Comm Tech / Ken-ichi Kitayama, National Inst of Information & Comm Tech
6. 12:00 - 12:30
   M2H.6

   Recent Advances in High Symbol-Rate Transceivers

   Presenter: Sebastian Randel, Karlsruher Institut für Technologie, Germany

    Presentation Details   Paper

   Invited

   We discuss how the efficiency of optical transceivers in terms of cost and energy per bit can be further scaled by increasing the symbol rate. We address challenges and review alternatives like multi-wavelength transceivers and analog multiplexing.Authors: Sebastian Randel, Karlsruher Institut für Technologie

Quantum Protocols, Simulations and Analysis

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

   Secure Architecture for Quantum Key Distribution Networks

   Presenter: Bruno Huttner, ID Quantique SA, Switzerland

    Presentation Details   Paper

   In Person

   We present a new architecture, designed to improve security of QKD networks. The Trusted Nodes are divided into Core Nodes, which XOR the keys from various QKD devices, and Edge Nodes, connected to key users.Authors: Bruno Huttner, ID Quantique SA
2. 10:45 - 11:00
   M2J.2

   A Machine Learning-Assisted Quantum and Classical Co-Existence System

   Presenter: Mark Yang, University of Bristol, United Kingdom

    Presentation Details   Paper

   In Person

   A machine learning framework is presented for the coexistence of C-band quantum and classical channels over the same fibre with various fibre lengths, co-existence powers, channel allocations, and identifying the region where co-existence is viable.Authors: Mark Yang, University of Bristol / Rui Wang, University of Bristol / Alex Seferidis, University of Bristol / Tireni Omigbodun, University of Bristol / Sima Bahrani, University of Bristol / Romerson Oliveira, University of Bristol / Reza Nejabati, University of Bristol / Dimitra Simeonidou, University of Bristol
3. 11:00 - 11:15
   M2J.3

   Relayed-QKD and Switched-QKD Networks Performance Comparison Considering Physical Layer QKD Limitations

   Presenter: George Kanellos, National and Kapodistrian University of Athens, Greece

    Presentation Details   Paper

   We experimentally evaluate the SKR generation for unoptimized QKD pairs in switched QKD and compare the performance of the switched-QKD with relayed-QKD networks to reveal they perform better for short distances and at large networks.Authors: Nikolaos Makris, National and Kapodistrian University of Athens / Alkinoos Papageorgopoulos, National and Kapodistrian University of Athens / Persefoni Konteli, National and Kapodistrian University of Athens / Iliana Tsoni, National and Kapodistrian University of Athens / Konstantinos Tsimvrakidis, National and Kapodistrian University of Athens / Ilias Papastamatiou, GRNET S.A. – National Infrastructures for Research and Technology / Konstantinos (Kostas) Christodoulopoulos, National and Kapodistrian University of Athens / George Kanellos, National and Kapodistrian University of Athens / Dimitris Syvridis, National and Kapodistrian University of Athens
4. 11:15 - 11:45
   M2J.4

   Quantum Network Protocols

   Presenter: Elham Kashefi, University of Edinburgh, United Kingdom

    Presentation Details

   Invited

   Abstract not available.Authors: Elham Kashefi, University of Edinburgh
5. 11:45 - 12:15
   M2J.6

   Quantum Simulations Using Single-Photon Quantum Walks

   Presenter: Peng Xue, Southeast University (China), China

    Presentation Details   Paper

   Virtual Invited

   A quantum walk is the generalization of a classical random walk in the quantum world. One of the most popular applications of quantum walks is quantum simulations. In the past, the research on quantum walking focused on the unitary evolution of quantum systems. In this talk, we provide a detailed proposal of non-Hermitian quantum walks, in which we characterize and demonstrate the non-Hermitian skin effect and non-Hermitian bulk-boundary correspondence.Authors: Peng Xue, Southeast University (China)

Distributed Sensing II

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

   Distributed Vibration Sensing and Simultaneous Self-Homodyne Transmission of Single-Carrier net 5.36 Tb/s Signal Using 7-Core Fiber

   Presenter: Xueyang Li, Peng Cheng Laboratory (PCL), China

    Presentation Details   Paper

   Virtual

   We demonstrate self-homodyne coherent transmission of a space-division multiplexed dual-pol 120-Gbaud 16 QAM signal achieving a single-carrier net data rate of 5.36 Tb/s, and simultaneously distributed vibration sensing using a 41.4 km weakly-coupled 7-core fiber.Authors: Jianwei Tang, Peng Cheng Laboratory (PCL) / Xueyang Li, Peng Cheng Laboratory (PCL) / Chen Cheng, Harbin Institute of Technology (Shenzhen) / Linsheng Fan, Harbin Institute of Technology (Shenzhen) / Yaguang Hao, Peng Cheng Laboratory (PCL) / Bing Yue, Peng Cheng Laboratory (PCL) / Jiali Li, Peng Cheng Laboratory (PCL) / Zhixue He, Peng Cheng Laboratory (PCL) / Yanfu Yang, Peng Cheng Laboratory (PCL) / Weisheng Hu, Peng Cheng Laboratory (PCL)
2. 10:45 - 11:00
   M2K.2

   Comparison Between Phase and Polarization Sensing Using Coherent Transceivers Over Deployed Metro Fibers

   Presenter: Lorenzo Andrenacci, Politecnico di Torino, Italy

    Presentation Details   Paper

   In Person

   We experimentally compare SOP and phase extraction under identical system conditions over a deployed 32-km unamplified metro fiber link for vibrations sensing applications using coherent receivers.Authors: Lorenzo Andrenacci, Politecnico di Torino / Dario Pilori, Politecnico di Torino / Saverio Pellegrini, Politecnico di Torino / Leonardo Minelli, Politecnico di Torino / Gabriella Bosco, Politecnico di Torino / Claudio Crognale, Cisco Photonics / Stefano Piciaccia, Cisco Photonics / Roberto Gaudino, Politecnico di Torino
3. 11:00 - 11:15
   M2K.3

   Pressure Wave Detection and Localization in Deployed Underground Fiber Using Coherent Correlation OTDR

   Presenter: André Sandmann, Adtran Networks SE, Germany

    Presentation Details   Paper

   In Person

   A deployed fiber with in-house and underground sections is interrogated with a coherent correlation OTDR. The origin and propagation speed of a hammer-generated pressure wave in the underground section is detected and acoustic signals are monitored.Authors: Florian Azendorf, Adtran Networks SE / André Sandmann, Adtran Networks SE / Michael Eiselt, Adtran Networks SE
4. 11:15 - 11:30
   M2K.4

   Homebrew: Optical Polarization Change Detection for Ground Motion Sensing

   Presenter: Joseph Catudal, University of Wisconsin-Madison, United States

    Presentation Details   Paper

   In Person

   We examine laser light polarization measurements using our own novel polarimeter design for ground motion sensing and show that efficacy is highly dependent on the coupling of fiber routes to vibration sources.Authors: Joseph Catudal, University of Wisconsin-Madison / Zhenhao Zhou, University of Wisconsin-Madison / Weijun Pan, University of Wisconsin-Madison / Paul Barford, University of Wisconsin-Madison / Dante Fratta, University of Wisconsin-Madison / Herb Wang, University of Wisconsin-Madison
5. 11:30 - 11:45
   M2K.5

   Distributed Strain Sensing by Optical Frequency Domain Reflectometry With Longest Common Substring Algorithm

   Presenter: Xiang Zheng, Beijing Institute of Technology, China

    Presentation Details   Paper

   Top Scored

   We report a spectrum shift extraction method in optical frequency domain reflectometry based on longest common substring algorithm, allowing for an improvement in the accuracy and the range over 56% of the effective sweep range.Authors: Xiang Zheng, Beijing Institute of Technology / Weilin Xie, Beijing Institute of Technology / Qiang Yang, Beijing Institute of Technology / Jiang Yang, Beijing Institute of Technology / Congfan Wang, Beijing Institute of Technology / Wei Wei, Beijing Institute of Technology / Yi Dong, Beijing Institute of Technology
6. 11:45 - 12:00
   M2K.6

   Repeaterless Brillouin OTDR Sensing Over 250 km Using Erbium Doped Fiber Amplifier

   Presenter: Neethu Mariam Mathew, DTU Electro, Denmark

    Presentation Details   Paper

   In Person

   We demonstrate a Brillouin OTDR sensing range of 251 km using two sections of remotely pumped Erbium doped fiber amplifiers. The temperature shift is measured with an accuracy of 3.3οC at 251 km.Authors: Neethu Mariam Mathew, DTU Electro / Mads Vandborg, DTU Electro / Jesper Christensen, Danish Fundamental Metrology / Zepeng Wang, DTU Electro / Lars Grüner-Nielsen, DTU Electro / Lars Rishøj, DTU Electro / Benjamin Marx, Luna Innovation / M. Ali Allousch, Luna Innovation / Tommy Geisler, OFS Denmark / Mikael Lassen, Danish Fundamental Metrology / Karsten Rottwitt, DTU Electro
7. 12:00 - 12:30
   M2K.7

   Applications of Functional Nanomaterials in Sensing and Fiber Optics Devices

   Presenter: Davide Janner, Politecnico di Torino - DISAT, Italy

    Presentation Details

   Virtual Invited

   Nanomaterials in different forms revolutionized sensing and opened new perspectives for fiber-optics devices. We will cover the most recent advancements in fiber optics devices based on thin-films, 2D/nanostructured materials, and the relative optical interrogation/usage scheme.Authors: Devanarayanan Meena Narayana Menon, Politecnico di Torino - DISAT / Alberto Rovera, Politecnico di Torino - DISAT / Davide Janner, Politecnico di Torino - DISAT

SC217 - Applications of Radio-over-Fiber Technologies Including Future 5G Networks

SC261 - ROADM Technologies and Network Applications

SC447 - The Life Cycle of an Optical Network: From Planning to Decommissioning

SC526 Optical Wireless Technologies, Systems and Applications

SC528 Hands-on Fiber Optic OFC NET Course: Practical Fiber Optic network testing hands-on short course in a realistic network environment

SC325 - Highly Integrated Monolithic Photonic Integrated Circuits

SC327 -Fiber transmission and design of long-haul communication systems

SC357 - Circuits and Equalization Methods for Coherent and Direct Detection Optical Links

SC384 - Background Concepts of Optical Communication Systems

SC431 - Photonic Technologies in the Data Center

SC451 - Optical Fiber Sensors

SC453B - Hands-on Fiber Optic Handling, Measurements, and Component Testing

Hybrid Integration and Packaging

1. 14:00 - 14:15
   M3A.1

   304 Channel MicroLED Based CMOS Transceiver IC With Aggregate 1 Tbps and sub-pJ per bit Capability

   Presenter: Bardia Pezeshki, Avicena Tech Corp, United States

    Presentation Details   Paper

   In Person

   1Tbps 16nm-CMOS transceiver IC with microLED array-based transmitter and hybrid silicon detector array runs at about 1pJ/bit using 304 channels at 3.3Gbps per lane. Initial results are shown for single lane and in various configurations.Authors: Bardia Pezeshki, Avicena Tech Corp / Suresh Rangarajan, Avicena Tech Corp / Alex Tselikov, Avicena Tech Corp / Emad Afifi, Avicena Tech Corp / Ivan Huang, Avicena Tech Corp / Jeff Pepper, Avicena Tech Corp / Sarah Zou, Avicena Tech Corp / Howard Rourke, Avicena Tech Corp / Rowan Pocock, Avicena Tech Corp / Alasdair Fikouras, Avicena Tech Corp / Farzad Khoeini, Avicena Tech Corp / Vahid Mirkhani, Avicena Tech Corp / Steve Novak, Avicena Tech Corp / Rob Kalman, Avicena Tech Corp
2. 14:15 - 14:30
   M3A.2

   High-Power Micro-Ring Modulator and Multi-Channel Coupled Ring Resonator for WDM Design on a 300-mm Monolithic Foundry Platform

   Presenter: Qidi Liu, GlobalFoundries, United States

    Presentation Details   Paper

   In Person

   We present scaled, bidirectional silicon photonic ring modulator and multi-channel coupled ring resonator models, offering advanced simulation capabilities for high-power and thermal time constant analysis, facilitating comprehensive on-chip EO system design with GlobalFoundries PDK.Authors: Qidi Liu, GlobalFoundries / Abdelsalam Aboketaf, GlobalFoundries
3. 14:30 - 14:45
   M3A.3

   Dust Insensitive, Low Loss, and Low Mating Force Multi-Fiber Expanded Beam Optical Ferrule and Connectors

   Presenter: Changbao Ma, 3M Company, United States

    Presentation Details   Paper

   In Person

   A new, multi-fiber, expanded beam optical ferrule, with state-of-the-art IL<0.7 dB (typical 0.34 dB), RL>55 dB for single mode (1310 nm), and IL<0.3 dB (typical 0.14 dB), RL>40 dB for multimode (850 nm), is reported.Authors: Changbao Ma, 3M Company
4. 14:45 - 15:15
   M3A.4

   Photonics for Fault-Tolerant Quantum Computing

   Presenter: Mark Thompson, PsiQuantum, United States

    Presentation Details

   Invited

   Quantum computers have the potential to unleash unprecedented computational power and provide solutions to previously impossible computational problems. Here, we present how high-performance integrated photonics is enabling the delivery of large-scale fault-tolerant quantum computing.Authors: Mark Thompson, PsiQuantum

SDM Devices and Mode Manipulation

1. 14:00 - 15:00
   M3B.1

   Photonic Lanterns, 3-D Waveguides, Multiplane Light Conversion, and Other Components That Enable Space-Division Multiplexing

   Presenter: Nicolas Fontaine, Nokia Bell Labs, United States

    Presentation Details

   Tutorial

   These three spatial mode multiplexing devices have demonstrated capability to combine over 1000 spatial separated beams into spatially overlapped modes with sub dB losses and capability towards mass production. This tutorial will compare the strengths and weaknesses of each device and highlight some of the hero transmission experiments they have enabled.Authors: Nicolas Fontaine, Nokia Bell Labs
2. 15:00 - 15:15
   M3B.2

   Towards Tbps Single-λ Interconnect by a Multimode Integrated Optical I/O on Silicon for Few-Mode Fibers

   Presenter: Hao CHEN, The Hong Kong University of Science and Technology (Guangzhou), China

    Presentation Details   Paper

   In Person Top Scored

   A six-channel multimode integrated optical I/O supporting two orthogonal polarizations of LP01, LP11a, and LP11b modes in a few-mode fiber was experimentally demonstrated, showing chip-to-fiber coupling efficiencies > –6.1dB for future Tbps-per-wavelength optical interconnects.Authors: Hao CHEN, The Hong Kong University of Science and Technology (Guangzhou) / Wu Zhou, The Hong Kong University of Science and Technology (Guangzhou) / Yeyu Tong, The Hong Kong University of Science and Technology (Guangzhou)
3. 15:15 - 15:30
   M3B.3

   Ultra-Compact and Ultra-Broadband Mode (De)Multiplexer Utilizing an Asymmetrical Coupler With SWG and Cascaded Tapered Waveguide

   Presenter: Zakriya Mohammed, New York University-Tandon School of Engineering, United States

    Presentation Details   Paper

   In Person

   A 25 μm two-mode (de)multiplexer on a silicon-on-insulator platform is demonstrated. Operating in 200 nm bandwidth, it achieves low insertion-loss (< 0.9 dB), minimal crosstalk (< 18.8 dB), and clear eye diagrams at 64 Gbit/s.Authors: Zakriya Mohammed, New York University-Tandon School of Engineering / Bruna Paredes, New York University / Mahmoud Rasras, New York University
4. 15:30 - 16:00
   M3B.4

   Multi-Dimensional Light Field Manipulation on Diverse Integrated Photonic Platforms

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

    Presentation Details   Paper

   Virtual Invited

   We review advances in multi-dimensional (frequency, time, complex amplitude, polarization, spatial structure) light field manipulation on diverse integrated photonic platforms (silicon, silica, polymer, III-V, metal, fiber). Silicon photonic integrated circuits, femtosecond laser direct writing 3D photonic chips, InP active photonic integrated devices, and metasurfaces for shaping light are demonstrated. Potential applications and future perspectives are discussed.Authors: Jian Wang, Huazhong University of Science and Technology

Quantum Dots Lasers and Comb Generation

1. 14:00 - 14:30
   M3C.1

   Uncooled O-Band InAs/GaAs Quantum Dot Photonics Platform for Optical Communications

   Presenter: Alexey Kovsh, Alfalume Inc., United States

    Presentation Details

   Invited

   The progress in SiPh and other light modulation technologies helped to revive CW InAs/GaAs QD lasers. It positions GaAs tech as an alternative to traditional InP material system, bringing various advantages which will be discussed.Authors: Alexey Kovsh, Alfalume Inc.
2. 14:30 - 14:45
   M3C.2

   Feedback Tolerant Quantum Dot Lasers Integrated With 300mm Silicon Photonics

   Presenter: Duanni Huang, Intel Corporation, United States

    Presentation Details   Paper

   In Person Top Scored

   We demonstrate the first quantum dot lasers integrated with 300mm silicon photonics. The measured devices show a linewidth enhancement factor near zero and are resilient to optical feedback up to -16dB of back reflection.Authors: Duanni Huang, Intel Corporation / Shane Yerkes, Intel Corporation / Guan-Lin Su, Intel Corporation / Karan Mehta, Intel Corporation / Marcus Cramer, Intel Corporation / William O'Brien, Intel Corporation / Razi Dehghannasiri, Intel Corporation / Stan Dobek, Intel Corporation / Chelsea Mackos, Intel Corporation / Timothy Ward, Intel Corporation / Pari Patel, Intel Corporation / Ranjeet Kumar, Intel Corporation / Songtao Liu, Intel Corporation / Xinru Wu, Intel Corporation / Xiaoxi Wang, Intel Corporation / Junyi Gao, Intel Corporation / Mark Isenberger, Intel Corporation / Harel Frish, Intel Corporation / Haisheng Rong, Intel Corporation
3. 14:45 - 15:00
   M3C.3

   Tbps IM/DD Transmission Over 10 km SMF With O-Band Quantum Dot Laser Comb for DCIs

   Presenter: Lakshmi Narayanan Venkatasubramani, Dublin City University, Ireland

    Presentation Details   Paper

   In Person

   We report a record-high Tbps DWDM transmission over 10km using a packaged 1.3 μm InAs/InGaAs quantum dot comb laser. The BER below the HD-FEC level is achieved for 1.4 Tbps PAM4 and 1 Tbps PS-PAM8 transmissions.Authors: Lakshmi Narayanan Venkatasubramani, Dublin City University / Ahmed Galib Reza, Dublin City University / Anil Gautam, Dublin City University / Haixuan Xu, Huazhong University of Science and Technology / Mikhail Buyalo, Innolume GmBH / Alexey E. Gubenko, Innolume GmBH / Yonglin Yu, Huazhong University of Science and Technology / Liam Barry, Dublin City University
4. 15:00 - 15:15
   M3C.4

   Low Threshold and 10kHz-Class Narrow Linewidth 1.55 um-Band Quantum Dot Laser Diode on InP(311)B Substrate

   Presenter: Atsushi Matsumoto, National Inst of Information & Comm Tech, Japan

    Presentation Details   Paper

   In Person

   We demonstrated low threshold current of 8.8 mA and 15.0 mA in pulsed and CW operation, and the extremely narrow linewidth of 12.2 kHz at room temperature in a fabricated 1.55 μm-band QD-DFB-LD.Authors: Atsushi Matsumoto, National Inst of Information & Comm Tech / Ryota Yabuki, Waseda University / Shinya Nakajima, National Inst of Information & Comm Tech / Toshimasa Umezawa, National Inst of Information & Comm Tech / Siim Heinsalu, Waseda University / Yuichi Matsushima, Waseda University / Kouichi Akahane, National Inst of Information & Comm Tech / Naokatsu Yamamoto, National Inst of Information & Comm Tech / Katsuyuki Utaka, Waseda University
5. 15:15 - 15:30
   M3C.5

   On-Chip InP/LiNbO3 Microcomb Laser

   Presenter: Zhengdong Gao, University of Rochester, United States

    Presentation Details   Paper

   In Person

   We report a chip-scale InP/LiNbO3 laser that directly emits mode-locked microcomb on demand, with spectral bandwidth ∼50 nm, individual comb linewidth ∼600 Hz, frequency tuning rate > 2.4 × 1017 Hz/s, and 100% utilization of optical power for comb generation.Authors: Zhengdong Gao, University of Rochester / Jingwei Ling, University of Rochester / Shixin Xue, University of Rochester / Qili Hu, University of Rochester / Kaibo Zhang, University of Rochester / Usman Javid, University of Rochester / Raymond Lopez-Rios, University of Rochester / Jeremy Staffa, University of Rochester / Qiang Lin, University of Rochester
6. 15:30 - 15:45
   M3C.6

   Silicon Carbide Soliton Microcmb Generation for Narrow-Grid Optical Communications

   Presenter: Haipeng Zhang, CabelLabs, United States

    Presentation Details   Paper

   In Person

   We demonstrate efficient soliton microcomb generation in silicon carbide microresonators with a record-low on-chip pump power of 6.5 mW. The microcomb exhibits a near 100 GHz free spectral range, enabling its application in optical communications.Authors: Jingwei Li, Carnegie Mellon University / Haipeng Zhang, CabelLabs / Ruixuan Wang, Carnegie Mellon University / Zhensheng Jia, CabelLabs / Qing Li, Carnegie Mellon University
7. 15:45 - 16:00
   M3C.7

   6.48 Tb/s Transmissions Using 50 GHz Integrated Lithium Niobate Flat-Top Electro-Optic Combs

   Presenter: Chuang Xu, The Hong Kong Polytechnic University, China

    Presentation Details   Paper

   In Person Top Scored

   We demonstrate 6.48 Tb/s transmission using 50-GHz integrated lithium niobate flat-top electro-optic (EO) combs over a 53-km field-deployed link and show their flexibility in generating combs with variable frequency spacing and using multiple laser sources.Authors: Chuang Xu, The Hong Kong Polytechnic University / Yikun Chen, City University of Hong Kong / Kangping Zhong, The Hong Kong Polytechnic University / Ke Zhang, City University of Hong Kong / Chao Lu, The Hong Kong Polytechnic University / Cheng Wang, City University of Hong Kong / Alan Lau, The Hong Kong Polytechnic University

Frontiers of Optical Network Architecture Summit

1. 14:00 - 14:20
   M3D.1

   The Future of Optical Networking in Service Provider Networks: Defined by External Factors

   Presenter: Ori Gerstel, Cisco - Israel, Israel

    Presentation Details

   In Person Invited

   The evolution of optical networking in service providers was fueled by technology achievements, such as coherent transmission and ROADM advancements. Its future is likely to be defined by factors that are outside the SP optical networking domain: collaboration of optical networks and routers will fundamentally change how optical networks are built and operated, sophisticated software control systems and webscale applications driving the roadmap for optical components and network architectures.Authors: Ori Gerstel, Cisco - Israel
2. 14:20 - 14:40
   M3D.2

   An Operator’s View on the Future Optical Networks, and Enabling Device Technologies: ~Innovative Optical and Wireless Network Program~

   Presenter: Masahito Tomizawa, NTT Innovative Devices, Japan

    Presentation Details   Paper

   In Person Invited

   In this presentation, future vision of optical networks is discussed from the viewpoint of service requirements from operators, demanding higher capacity & quality, and lower latency & power consumption. Also enabling device technologies are introduced, where photonics and electronics convergence (PEC) is focused. This presentation is in conjunction with Innovative Optical and Wireless Networks (IOWN) program.Authors: Masahito Tomizawa, NTT Innovative Devices
3. 14:40 - 15:00
   M3D.3

   Next-Generation Optical Devices for Future Network

   Presenter: Hiromi Oohashi, Furukawa Electric Co., LTD, Japan

    Presentation Details

   In Person Invited

   To achieve the next-generation network architecture, we'll introduce the development of some key optical components, especially light sources and transmission fibers, to expand the possibility of increasing transmission capacity and reducing power consumption.Authors: Hiromi Oohashi, Furukawa Electric Co., LTD
4. 15:00 - 15:20
   M3D.4

   Reconfigurable Photonics and Flexible AI Systems

   Presenter: Gregory Steinbrecher, Meta Platforms Inc, United States

    Presentation Details

   In Person Invited

   As AI systems evolve, the distinction between the scale-out network connecting nodes and the scale-up interconnect inside is being lost. How can optical interconnects help best leverage the ever-more-expensive components inside and outside a node?Authors: Gregory Steinbrecher, Meta Platforms Inc
5. 15:20 - 15:40
   M3D.5

   More Fiber, Less Equipment

   Presenter: Glenn Wellbrock, Verizon, United States

    Presentation Details

   In Person Invited

   Fiber will go even deeper into the network, but fewer and smaller boxes will be used as we continue to integrate connectivity with processing. This paper will provide examples at all layers of next gen networks.Authors: Glenn Wellbrock, Verizon / Tiejun Xia, Verizon

Coherent and Direct Detect Datacenter Transmission

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

   Bidirectional 100G-PAM4 Transceiver for 60-km O-Band Transmission

   Presenter: fabio bottoni, Cisco Photonics Italy Srl, Italy

    Presentation Details   Paper

   In Person

   We experimentally demonstrate a real-time 100G PAM4 bidirectional optical transceiver suitable for 60km links (ER+). The transceiver design is based on a O-Band EML, commercial DSP and do not use any kind of optical amplifiers.Authors: fabio bottoni, Cisco Photonics Italy Srl / Alessandro Cavaciuti, Cisco Photonics Italy Srl / Dirk Lutz, Eoptolink
2. 14:15 - 14:30
   M3E.2

   8.5 Tbps Net SiP O-Band Coherent Transmission Over 10 km Using a Quantum-Dot Mode-Locked Comb Laser

   Presenter: Santiago Bernal, McGill University, Canada

    Presentation Details   Paper

   In Person

   We report the first O-band coherent transmission using a comb laser and a silicon photonics modulator. We achieved greater than 8.5 Tbps using 19 lines over 10km at 56 Gbaud DP-32QAM.Authors: Santiago Bernal, McGill University / Mario Dumont, University of California Santa Barbara / Essam Berikaa, McGill University / Charles St-Arnault, McGill University / Yixiang Hu, McGill University / Ramon Gutierrez-Castrejon, McGill University / Zixian Wei, McGill University / Antonio D'Errico, Ericsson / Alessandra Bigongiari, Ericsson / Luca Giorgi, Ericsson / Stefano Stracca, Ericsson / Robert Brunner, Ericsson / Stephane Lessard, Ericsson / Fabio Cavaliere, Ericsson / John Bowers, University of California Santa Barbara / David Plant, McGill University
3. 14:30 - 15:00
   M3E.3

   Technologies Enabling Ultrafast Short-Reach Transmission

   Presenter: Qian Hu, Nokia Bell Labs, United States

    Presentation Details   Paper

   In Person Invited

   This paper reviews technologies for ultrahigh symbol rate transmission in short-reach optical links, including high-speed signal generation and sampling, broadband optical signal modulation, as well as advanced digital signal processing.Authors: Qian Hu, Nokia Bell Labs
4. 15:00 - 15:15
   M3E.4

   Experimental Demonstration of Amplifier-Less 82GBaud PAM4 Transmission Over 40 km Using APD at O Band

   Presenter: Haiqiang Wei, Hong Kong Polytechnic University, China

    Presentation Details   Paper

   In Person

   We experimentally demonstrated an amplifier-less transmission of a record high 82Gbaud PAM4 signal over 40km using O-band APD with a receiver sensitivity of -15.8dBm.Authors: Haiqiang Wei, Hong Kong Polytechnic University / Kemo Ran, MACOM Technology Inc / Kang Ping Zhong, Hong Kong Polytechnic University / Alan Lau, Hong Kong Polytechnic University / Changyuan Yu, Hong Kong Polytechnic University / Chao Lu, Hong Kong Polytechnic University
5. 15:15 - 15:30
   M3E.5

   Performance Comparison of QD-SOA, QW-SOA, Bulk-SOA and PDFA for Multi-Tbps O-Band WDM Links

   Presenter: Charles St-Arnault, McGill University, Canada

    Presentation Details   Paper

   In Person Top Scored

   We experimentally compare QD-SOA to QW-SOA, bulk-SOA, and PDFA for coherent and IM/DD in the O-band at 10 km. A 1.152 Tbps/λ WDM coherent transmission is achieved with the QD-SOA.Authors: Charles St-Arnault, McGill University / Santiago Bernal, McGill University / Ramon Gutierrez-Castrejon, McGill University / Essam Berikaa, McGill University / Zixian Wei, McGill University / Janina Rautert, Innolume GmbH / Sergey Poltavtsev, Innolume GmbH / Alexey E. Gubenko, Innolume GmbH / Vasilii Belykh, Innolume GmbH / Vladimir Mikhrin, Innolume GmbH / Alexey Kovsh, Alfalume Inc. / David Plant, McGill University
6. 15:30 - 16:00
   M3E.6

   Design Tradeoffs for Coherent Pluggable Optics at 800G and Beyond

   Presenter: Eric Maniloff, Ciena Corporation, Canada

    Presentation Details   Paper

   In Person Invited

   As coherent pluggable optics scale to 800Gb/s, new applications will be addressed. This paper provides an overview of these applications, and the details of how module implementations differ to address different applications’ unique requirementsAuthors: Eric Maniloff, Ciena Corporation

Radio-Over-Fiber and 6G Access

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

   Past and Future Development of Radio Over Fiber

   Presenter: Christina Lim, University of Melbourne, Australia

    Presentation Details   Paper

   In Person Tutorial

   This tutorial provides an overview of Radio-over-Fiber technology focussing on the development, evolution, and challenges on the physical layer implementation incorporating photonic transport of mm-wave to THz wireless signals.Authors: Christina Lim, University of Melbourne / Ampalavanapillai Nirmalathas, University of Melbourne / Chathurika Ranaweera, Deakin University / Tingting Song, University of Melbourne / Yijie Tao, University of Melbourne / Sampath Edirisinghe, University of Sri Jayewardenepura
2. 15:00 - 15:30
   M3F.2

   VCSEL-Based Optical Wireless Transmission: New Research Prospects

   Presenter: Ernesto Ciaramella, Scuola Superiore Sant'Anna di Pisa, Italy

    Presentation Details   Paper

   In Person Invited

   The fundamental features of VCSELs make them very suitable for various types of optical wireless communications, especially over short links. We present a range of promising applications for these devices in new OWC areas.Authors: Ernesto Ciaramella, Scuola Superiore Sant'Anna di Pisa / Giulio Cossu, Scuola Superiore Sant'Anna di Pisa / Lorenzo Gilli, Scuola Superiore Sant'Anna di Pisa
3. 15:30 - 15:45
   M3F.3

   First Demonstration of 4×4 Distributed MIMO Communication With 3GPP-Compliant 5G Smartphone Utilizing SCM/WDM-Based if-Over-Fiber MFH Link

   Presenter: Shinji Nimura, KDDI Research, Japan

    Presentation Details   Paper

   In Person

   We successfully demonstrated the real-time bi-directional 5G-compliant 4×4 Distributed-MIMO communication for the first time utilizing SCM/WDM-based IF-over-Fiber mobile fronthaul link architecture and commercially available smartphone for realizing future antenna distribution mobile communication systems.Authors: Shinji Nimura, KDDI Research / Kazuki Tanaka, KDDI Research / Kamya Yazdandoost, KDDI Research / Ryo Inohara, KDDI Research / Masatoshi Suzuki, KDDI Research / Takehiro Tsuritani, KDDI Research
4. 15:45 - 16:00
   M3F.4

   Mitigation of Dispersion-Induced Power Fading in Broadband Intermediate-Frequency-Over-Fiber Transmission Using Space-Time Block Coding

   Presenter: Jinwoo Park, Yonsei University, Korea (the Republic of)

    Presentation Details   Paper

   In Person

   STBC with optical I-Q modulator for dispersion-induced power fading mitigation is proposed and experimentally demonstrated in broadband IFoF system. 9.5GHz bandwidth IFoF signal transmission with 8.5% EVM in fading-affected band of 50km transmission was demonstrated.Authors: Jinwoo Park, Yonsei University / Joungmoon Lee, Yonsei University / Inho Ha, Yonsei University / Sang-kook Han, Yonsei University

Advancement in Quantum Key Distribution Systems I

1. 14:00 - 14:15
   M3H.1

   Wavelength-Versatile Quantum Key Distribution for Reconfigurable Classical-Quantum Networks

   Presenter: Robert Woodward, Toshiba Europe Ltd., United Kingdom

    Presentation Details   Paper

   In Person Top Scored

   We report a high-speed GHz-clocked quantum key distribution (QKD) system, tunable over 65 nm using a novel injection-locked laser design. This paves the way to automatic optimsation of quantum channels in hybrid classical-quantum networks.Authors: Robert Woodward, Toshiba Europe Ltd. / Benjamin Griffiths, Toshiba Europe Ltd. / Yuen San Lo, Toshiba Europe Ltd. / James Dynes, Toshiba Europe Ltd. / Andrew Shields, Toshiba Europe Ltd.
2. 14:15 - 15:15
   M3H.2

   Recent Advances in Measurement-Device-Independent Quantum Key Distribution

   Presenter: Xiongfeng Ma, Tsinghua University, China

    Presentation Details   Paper

   In Person Tutorial

   Measurement-device-independent quantum key distribution enhances the implementation security. In this tutorial talk, I shall review its security proof and various optical implementations, highlighting the twin-field and mode-pairing schemes that offer quadratic key-rate improvement.Authors: Xiongfeng Ma, Tsinghua University
3. 15:15 - 15:30
   M3H.3

   No-Guard-Band Integration of Digital Coherent CV-QKD System Into 400 Gbit/s 75 GHz Grid DWDM Systems

   Presenter: Tetsuo Kawakami, NEC Corporation, Japan

    Presentation Details   Paper

   In Person

   We demonstrated no-guard-band integration of a digital coherent Continuous-variable QKD system into OpenZR+-compliant DWDM transmission systems. The estimated secret key rate was 19.9 kbit/s over a 75 km EDFA amplified SMF link.Authors: Tetsuo Kawakami, NEC Corporation
4. 15:30 - 15:45
   M3H.4

   Composable Finite Size Key Generation in a Polarization Diverse Continuous Variable Quantum Key Distribution System

   Presenter: Hou-Man Chin, Technical University of Denmark, Denmark

    Presentation Details   Paper

   In Person

   We report on a polarization diverse continuous variable quantum key distribution system. Composable finite size key generation was assessed using 7.6 × 108 quantum states measured over 20 random states of polarization, secret key generation was achieved with 2 × 107 states.Authors: Hou-Man Chin, Technical University of Denmark / Ulrik L. Andersen, Technical University of Denmark / Tobias Gehring, Technical University of Denmark
5. 15:45 - 16:00
   M3H.5

   Quantum Cryptography With Injection-Locked Dual-Wavelength Diode Laser

   Presenter: Yung-Hsuan Li, National Taiwan University, Taiwan

    Presentation Details   Paper

   In Person

   Master-to-slave injection-locked dual-mode diode laser is proposed for providing the single-photon DPS-QKD transmission at a shifted key rate of 1 Gbit/s with >3000-sec decoding stability under an interferometric visibility of 99.2% and dual-wavelength usage security.© 2024 The Author(s)Authors: Yung-Hsuan Li, National Taiwan University / Szu-En Lai, National Taiwan University / Gong-Ru Lin, National Taiwan University

Transmission Optimization

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

   Closed-Form Coherent Gaussian Noise Model Applicable to Arbitrary Flexible Grid and Heterogeneous Links

   Presenter: Fangyuan Zhang, Ciena Corporation, Canada

    Presentation Details   Paper

   In Person

   A closed-form expression of the coherent contribution of Gaussian noise nonlinear interference is presented. This model shows good agreement with a complete Gaussian noise model and a split-step model and applies in arbitrary link configurations.Authors: Fangyuan Zhang, Ciena Corporation / Alex MacKay, Ciena Corporation
2. 14:15 - 14:30
   M3I.2

   Recalibration Learning: Enabling Universal Transfer of ML Model of Gain and NF for Remote Optically Pumped Amplifiers

   Presenter: Arthur Minakhmetov, Alcatel Submarine Networks, France

    Presentation Details   Paper

   In Person

   We demonstrate a novel, physical assumptions-based method – recalibration learning, that transfers Gain and Noise Figure ML models across remote optically pumped amplifiers. Spectral measurements over just two configurations on a target device ensure reliable transfer.Authors: Arthur Minakhmetov, Alcatel Submarine Networks / Benjamin Prieur, Alcatel Submarine Networks / Maël Le Monnier, Alcatel Submarine Networks / Delphine Rouvillain, Alcatel Submarine Networks / Bruno Lavigne, Alcatel Submarine Networks
3. 14:30 - 15:00
   M3I.3

   Optical Network Design With High Symbol Rate Flexible Coherent Transceivers

   Presenter: Thomas Richter, Adtran Networks North America, United States

    Presentation Details   Paper

   In Person Invited

   We highlight commercial flexible coherent transceivers, including their features and capabilities for optical networks, and present the versatility of a 140-GBd transceiver in typical optical link configurations from short reach to subsea.Authors: Thomas Richter, Adtran Networks North America / Steven Searcy, Adtran Networks North America / Philippe Jennevé, Cisco Systems Inc / Valeria Arlunno, Cisco Systems Inc / Sorin Tibuleac, Adtran Networks North America
4. 15:00 - 15:15
   M3I.4

   Monitoring Data Augmentation of Spectral Information Using VAE and GAN for Soft-Failure Identification

   Presenter: Lars Kruse, Christian-Albrechts-Universität zu Kiel, Germany

    Presentation Details   Paper

   In Person

   We propose data augmentation of monitoring information using VAE and GAN to reduce the amount of required soft-failure training data. Results show that only 5 samples per failure type are needed for F1-scores above 0.9.Authors: Lars Kruse, Christian-Albrechts-Universität zu Kiel / Sebastian Kühl, Christian-Albrechts-Universität zu Kiel / Annika Dochhan, Christian-Albrechts-Universität zu Kiel / Stephan Pachnicke, Christian-Albrechts-Universität zu Kiel
5. 15:15 - 15:30
   M3I.5

   Optical Line Physical Parameters Calibration in Presence of EDFA Total Power Monitors

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

    Presentation Details   Paper

   In Person

   A method is proposed in order to improve QoT-E by calibrating the physical model parameters of an optical link post-installation, using only total power monitors integrated into the EDFAs and an OSA at the receiver.Authors: Giacomo Borraccini, NEC Laboratories America Inc. / Yue-Kai Huang, NEC Laboratories America Inc. / Andrea D'Amico, NEC Laboratories America Inc. / Thomas Ferreira de Lima, NEC Laboratories America Inc. / Ezra Ip, NEC Laboratories America Inc. / Vittorio Curri, Politecnico di Torino / Ting Wang, NEC Laboratories America Inc. / KOJI ASAHI, NEC Corporation
6. 15:30 - 15:45
   M3I.6

   Spectrum Resolved SNR Monitoring of in-Service Channel

   Presenter: Qingyi Guo, Huawei Technologies Canada, Canada

    Presentation Details   Paper

   In Person

   We propose and experimentally demonstrate a novel scheme to monitor the spectrum resolved SNR with receiver ADC buffer data. SNR accuracy of 0.2dB can be achieved, and filtering impact can be separated from link noise.Authors: Qingyi Guo, Huawei Technologies Canada / Xuefeng Tang, Huawei Technologies Canada / Yang Lan, Huawei Technologies Canada / Zhiping Jiang, Huawei Technologies Canada

Hollow-Core Fibers

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

   10.9km Hollow Core Double Nested Antiresonant Nodeless Fiber (DNANF) With 0.33dB/km Loss at 850nm

   Presenter: Francesco Poletti, Microsoft Corp, United Kingdom

    Presentation Details   Paper

   In Person Top Scored

   We report a double-nested antiresonant hollow core fiber designed for ~850nm operation. The measured fiber loss is 0.33dB/km at 850nm across a single span of 10.9km.Authors: Abubakr Isa Adamu, Microsoft Corp / Muhammad Rosdi Bin Abu Hassan, Microsoft Corp / Yong Chen, Microsoft Corp / Eric Numkam Fokoua, Microsoft Corp / Marcelo Alonso, Microsoft Corp / Hesham Sakr, Microsoft Corp / Francesco Poletti, Microsoft Corp / David Richardson, Microsoft Corp / Marco Petrovich, Microsoft Corp
2. 14:15 - 14:30
   M3J.2

   First Penalty-Free Real-Time Co-Frequency Co-Time Full-Duplex Optical Fiber Transmission With 202.1Tb/s Net Capacity Enabled by Hollow-Core 5-Element NANF

   Presenter: Dawei Ge, China Mobile Research Institute, China

    Presentation Details   Paper

   Virtual

   By leveraging extremely-low distributed Rayleigh backscattering in AR-HCF, we report the first real-time 202.1-Tb/s co-frequency co-time full-duplex transmission over a 466-m 5-element NANF based on ultra-wide 12-THz C+L-band EDFAs, exhibiting identical performance to unidirectional transmission.Authors: Dawei Ge, China Mobile Research Institute / Yifan Xiong, Jinan University / Yan Wu, Fiberhome Telecommunication Technologies Co., LTD / Yizhi Sun, Jinan University / Yancai Luan, Fiberhome Telecommunication Technologies Co., LTD / Dong Wang, China Mobile Research Institute / Shoufei Gao, Jinan University / Dechao Zhang, China Mobile Research Institute / Liang Mei, Fiberhome Telecommunication Technologies Co., LTD / Yingying Wang, Jinan University / Wei Ding, Jinan University / Han Li, China Mobile Research Institute / Zhangyuan Chen, Peking University
3. 14:30 - 14:45
   M3J.3

   Fast, Reliable and Portable Low-Loss Antiresonant Hollow-Core Fiber Fusion Splicing

   Presenter: Tristan Kremp, OFS Laboratories, United States

    Presentation Details   Paper

   In Person

   Using a fully automated rotational alignment algorithm and a portable 3-electrode arc-discharging fusion splicer, we achieve median splice losses of 0.13 dB between antiresonant hollow-core fibers within 120 seconds with 100% success rate.Authors: Tristan Kremp, OFS Laboratories / Yue Liang, OFS Fitel, LLC / Alan McCurdy, OFS Fitel, LLC / Shoichi Yoshinaga, OFS Fitel, LLC / Brian Mangan, OFS Laboratories
4. 14:45 - 15:15
   M3J.4

   Non-Destructive Characterization of Hollow Core Fiber

   Presenter: Leonard Budd, University of Southampton, United Kingdom

    Presentation Details   Paper

   In Person Invited

   We summarize our recent work developing a technique for accurate and non-destructive measurement of the microstructure geometry of nested and double nested antiresonant fibers. We present results showing microstructure variation along a 2.2 km fiber.Authors: Leonard Budd, University of Southampton / Austin Taranta, University of Southampton / Eric Numkam Fokoua, University of Southampton / Francesco Poletti, University of Southampton
5. 15:15 - 15:30
   M3J.5

   Bend Insensitive Hollow Core DNANF With SMF-Matching Mode Field Diameter and 125µm Outer Diameter for Low Loss Direct Interconnection in Short Reach Applications

   Presenter: Ghafour Amouzad Mahdiraji, University of Southampton, United Kingdom

    Presentation Details   Paper

   In Person

   We present the first 125µm outer diameter hollow-core fibre with a 10.6µm mode-field diameter allowing direct low-loss splicing to G652 SMF. We demonstrate O-to-C-band transmission and bend-insensitive single-mode operation, attractive for low-latency sub-1km communications.Authors: Ghafour Amouzad Mahdiraji, University of Southampton / Jaroslaw Rzegocki, University of Southampton / Ian Davidson, University of Southampton / Gianluca Guerra, University of Southampton / Gregory Jasion, University of Southampton / Seyed Mohammad Mousavi, University of Southampton / Yong-min Jung, University of Southampton / Austin Taranta, University of Southampton / Kyle Bottrill, University of Southampton / Periklis Petropoulos, University of Southampton / Francesco Poletti, University of Southampton
6. 15:30 - 16:00
   M3J.6

   Fabrication Methods for Hollow Core Fibres

   Presenter: James Stone, University of Bath, United Kingdom

    Presentation Details

   In Person Invited

   I will present recent work on fabrication techniques for hollow core optical fibres.Authors: James Stone, University of Bath

Emerging Modulator Technologies

1. 14:00 - 14:30
   M3K.1

   Silicon-Organic Hybrid (SOH) Integration - From Lab to Fab

   Presenter: Christian Koos, Karlsruhe Institute of Technology (KIT), Germany

    Presentation Details

   In Person Invited

   Silicon-organic hybrid (SOH) integration can complement intrinsically scalable silicon photonic circuits by novel functionalities, obtained through theory-guided material engineering. This presentation will give an overview of our recent progress in exploring the potential of the SOH platform and in bringing the technology from laboratory demonstrations to industrial applications.Authors: Christian Koos, Karlsruhe Institute of Technology (KIT) / Wolfgang Freude, Karlsruhe Institute of Technology (KIT) / Sebastian Randel, Karlsruhe Institute of Technology (KIT) / Stefan Bräse, Karlsruhe Institute of Technology (KIT) / Peter Erk, Karlsruhe Institute of Technology (KIT) / Carsten Eschenbaum, Karlsruhe Institute of Technology (KIT) / Artem Kuzmin, Karlsruhe Institute of Technology (KIT) / Adrian Mertens, SilOriX / Adrian Schwarzenberger, Karlsruhe Institute of Technology (KIT) / Hend Kholeif, Karlsruhe Institute of Technology (KIT) / Alexander Kotz, Karlsruhe Institute of Technology (KIT) / Sidra Sarwar, Karlsruhe Institute of Technology (KIT) / Stefan Singer, Karlsruhe Institute of Technology (KIT)
2. 14:30 - 14:45
   M3K.2

   High-Performance Thin-Film Lithium Niobate Mach-Zehnder Modulator on 8-Inch Silicon Substrate

   Presenter: Jingjie Zhou, Shanghai University, China

    Presentation Details   Paper

   Virtual

   We first report the thin-film lithium niobate (TFLN) electro-optic Mach-Zehnder modulator (MZM) on an 8-inch silicon substrate fabricated in the back-end-of-line (BEOL) of CMOS foundry. It operates at 1550 nm with electro-optical response of only 1.5 dB roll-off at 67 GHz.Authors: Jingjie Zhou, Shanghai University / Qingyu Cong, Shanghai University / Liming Lv, Shanghai Industrial μTechnology Research Institute / Zhanshi Yao, Huawei Technologies / Shiyang Zhu, Huawei Technologies / Yuxi Wang, Huawei Technologies / Zhaoyi Li, Shanghai University / Zuowen Fan, Shanghai University / Xianfeng Zeng, Chinese Academy of Sciences / Ting Hu, Shanghai University / Lianxi Jia, Shanghai University
3. 14:45 - 15:00
   M3K.3

   High Efficiency Single-Sideband Modulator Using Coupled Bragg Grating Resonators on Thin-Film Lithium Niobate

   Presenter: Nuo Chen, Zhejiang University, China

    Presentation Details   Paper

   In Person

   We demonstrate an efficient single-sideband thin-film lithium niobate modulator with periodically cascaded Bragg gratings. The device achieves the highest modulation efficiency that has been reported (0.19 V/cm) with a compact phase-shifter length (542 µm).Authors: Nuo Chen, Zhejiang University / Bo Xiong, Zhejiang University / Hengsong Yue, Zhejiang University / Kangping Lou, Zhejiang University / Tao Chu, Zhejiang University
4. 15:00 - 15:15
   M3K.4

   Thin-Film Lithium Niobate Modulator for a Flat Frequency-Response Over 110 GHz Bandwidth With Integrated Electro-Optic Frequency-Domain Equalizer

   Presenter: Yuya Yamaguchi, NICT, Japan

    Presentation Details   Paper

   In Person

   We demonstrated an optical modulator with an ultra-flat frequency-response over 110 GHz by using a thin-film lithium niobate platform and the integration of an electro-optic frequency-domain equalizer. The half-wave voltage was 2.4 V, and we measured an extinction ratio exceeding 40 dB.Authors: Yuya Yamaguchi, NICT / Pham Tien Dat, NICT / Naokatsu Yamamoto, NICT / Kouichi Akahane, NICT / Atsushi Kanno, Nagoya Institute of Technology / Tetsuya Kawanishi, Waseda University
5. 15:15 - 15:30
   M3K.5

   256 GBd Barium-Titanate-on-SiN Mach-Zehnder Modulator

   Presenter: Manuel Kohli, ETH Zurich, Switzerland

    Presentation Details   Paper

   In Person Top Scored

   We demonstrate a 110-GHz BTO Mach-Zehnder modulator integrated on foundry-produced silicon nitride for 340 Gbit/s data links. This approach, featuring nano-scale plasmonics and highly nonlinear BTO, proves to be a viable platform for next-generation Tbit/s links.Authors: Manuel Kohli, ETH Zurich / Daniel Chelladurai, ETH Zurich / Laurenz Kulmer, ETH Zurich / Killian Keller, ETH Zurich / Yannik Horst, ETH Zurich / Tobias Blatter, ETH Zurich / Joel Winiger, ETH Zurich / David Moor, ETH Zurich / Tatiana Buriakova, Ligentec SA / Michael Zervas, Ligentec SA / Clarissa Convertino, Lumiphase AG / Felix Eltes, Lumiphase AG / Yuriy Fedoryshyn, ETH Zurich / Ueli Koch, ETH Zurich / Juerg Leuthold, ETH Zurich
6. 15:30 - 15:45
   M3K.6

   Linear-Drive Amplifier-Less 112 Gbit/s PAM4 Operation of a Silicon-Organic Hybrid (SOH) Mach-Zehnder Modulator at 265 mV_pp

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

    Presentation Details   Paper

   In Person

   We demonstrate an optically packaged silicon-organic hybrid Mach-Zehnder modulator operating at PAM4 data rates of up to 112 Gbit/s. The device is directly driven by a CMOS SerDes chip without additional optical and RF amplifiers.Authors: Adrian Schwarzenberger, Karlsruhe Institute of Technology (KIT) / Stefan Singer, Karlsruhe Institute of Technology (KIT) / Carsten Eschenbaum, Karlsruhe Institute of Technology (KIT) / Malte Martens, Karlsruhe Institute of Technology (KIT) / Adrian Mertens, Silorix GmbH / Georges Dagher, Multilane Inc. / Luca Valenziano, Karlsruhe Institute of Technology (KIT) / Sidra Sarwar, Karlsruhe Institute of Technology (KIT) / Hend Kholeif, Karlsruhe Institute of Technology (KIT) / Alexander Kotz, Karlsruhe Institute of Technology (KIT) / Thomas Zwick, Karlsruhe Institute of Technology (KIT) / Stefan Bräse, Karlsruhe Institute of Technology (KIT) / Wolfgang Freude, Karlsruhe Institute of Technology (KIT) / Sebastian Randel, Karlsruhe Institute of Technology (KIT) / Christian Koos, Karlsruhe Institute of Technology (KIT)
7. 15:45 - 16:00
   M3K.7

   110 GHz Plasmonic Lithium Niobate Phase Modulator

   Presenter: Jihao Zhao, Huazhong University of Science and Technology, China

    Presentation Details   Paper

   In Person

   An ultra-compact lithium niobate phase modulator based on the plasmonic slot waveguide is demonstrated with a length of ~16 μm, featuring a bandwidth exceeding 110 GHz and a high-rate operation beyond 90 Gbaud.Authors: Yilun Wang, Huazhong University of Science and Technology / Jihao Zhao, Huazhong University of Science and Technology / Xiaoyan Gao, Huazhong University of Science and Technology / Qiansheng Wang, National Information Optoelectronics Innovation Center / Xi Xiao, National Information Optoelectronics Innovation Center / Jian Cheng, Huazhong University of Science and Technology / Dingshan Gao, Huazhong University of Science and Technology / Wentao Gu, Huazhong University of Science and Technology / Wenchan Dong, Huazhong University of Science and Technology / Qizhi Yan, Huazhong University of Science and Technology / Liao Chen, Huazhong University of Science and Technology / Yu Yu, Huazhong University of Science and Technology / Chi Zhang, Huazhong University of Science and Technology / Xinliang Zhang, Huazhong University of Science and Technology

Demo Zone

Silicon Photonics

1. 16:30 - 16:45
   M4A.1

   AIM Photonics Design Enablement: a Design-Assembly-Test Platform Advancing the Silicon-Photonics Ecosystem

   Presenter: Amit Dikshit, AIM Photonics, United States

    Presentation Details   Paper

   In Person

   AIM Photonics design enablement platforms supporting photonic integrated circuit design, interposer-based assembly, and design-for-test for a 300 mm CMOS-compatible silicon-photonics foundry are presentedAuthors: Amit Dikshit, AIM Photonics / Jin Wallner, AIM Photonics / Mohammad Jobayer Hossain, AIM Photonics / Mohammad Rakib Uddin, AIM Photonics / Javery Mann, AIM Photonics / Anthony Aiello, AIM Photonics / Lewis Carpenter, AIM Photonics / Yukta Timalsina, AIM Photonics / Colin McDonough, AIM Photonics / Nicholas Fahrenkopf, AIM Photonics / Gerald Leake Jr, AIM Photonics / Christopher Baiocco, AIM Photonics / Christopher Striemer, AIM Photonics / Maria Halepis, AIM Photonics / Daniel Coleman, AIM Photonics / Amir Begovic, Rensselaer Polytechnic Institute / Hao Yang, Analog Photonics / Michael Zylstra, Analog Photonics / Jerome Jahn, Analog Photonics / Jordan Goldstein, Analog Photonics / Christopher Poulton, Analog Photonics / Todd Stievater, Naval Research Laboratory / Nathan Tyndall, Naval Research Laboratory / Michael Fanto, Air Force Research Laboratory Information Directorate / David Harame, AIM Photonics
2. 16:45 - 17:15
   M4A.2

   Optical Interconnects: Path to High Volume Manufacturing

   Presenter: Pooya Tadayon, Intel, United States

    Presentation Details

   In Person Invited

   A fundamental challenge to be solved for widespread adoption of co-package photonics is a high-yielding and low-cost assembly process. In this talk, we will explore recent advances in this area, including Intel’s glass-based optical bridge technology.Authors: Pooya Tadayon, Intel
3. 17:15 - 17:30
   M4A.3

   Low-Loss, Multi-Reticle Stitched SiN Waveguides for 300mm Wafer-Level Optical Interconnects

   Presenter: Pengfei Xu, imec, Belgium

    Presentation Details   Paper

   Virtual

   We present 56-cm long LPCVD SiN waveguides traversing a full 300mm wafer, targeting future optically interconnected wafer-scale multi-chip compute systems. High-precision reticle stitching (loss below 0.01dB/interface) enables intra-wafer waveguide loss of just 0.15dB/cm in the O-band.Authors: Pengfei Xu, imec / Chiara Marchese, imec / Guy Lepage, imec / Negin Golshani, imec / Ruben Van Eenaeme, imec / Andrea Mingardi, imec / Joost Van Ongeval, imec / Rafal Magdziak, imec / Luc Halipre, imec / Darko Trivkovic, imec / Peter Verheyen, imec / Maumita Chakrabarti, imec / Dimitrios Velenis, imec / Andy Miller, imec / Filippo Ferraro, imec / Yoojin Ban, imec / Joris Van Campenhout, imec
4. 17:30 - 17:45
   M4A.4

   Toward Large-Scale Nonvolatile Electrical Programmable Photonics With Deterministic Multilevel Operation

   Presenter: Rui Chen, University of Washington, United States

    Presentation Details   Paper

   In Person

   We present a deterministic multi-level scheme by electrically controlling multiple phase-change material (PCM) Sb2S3 segments through individual PIN heaters. PCMs are integrated on 300-mm silicon photonic fab dies back-end-of-line, promising for fast-prototyping and massive production.Authors: Rui Chen, University of Washington / Virat Tara, University of Washington / Jayita Duta, University of Washington / Minho Choi, University of Washington / Justin Sim, University of Washington / Julian Ye, University of Washington / Jiajiu Zheng, University of Washington / Zhuoran Fang, University of Washington / Arka Majumdar, University of Washington
5. 17:45 - 18:00
   M4A.5

   Hybrid Integrated Multi-Lane Erbium-Doped Si3N4 Waveguide Amplifiers

   Presenter: Zheru Qiu, Swiss Federal Institute of Technology Lausanne (EPFL), Switzerland

    Presentation Details   Paper

   Virtual

   We present the integration of four individual erbium-doped waveguide optical amplifiers on a Si3N4 photonic integrated circuit hybrid integrated with a four-lane semiconductor pump laser diode chip. Each amplifier achieves 15 dB on-chip gain.Authors: Zheru Qiu, Swiss Federal Institute of Technology Lausanne (EPFL) / Xinru Ji, Swiss Federal Institute of Technology Lausanne (EPFL) / Yang Liu, Swiss Federal Institute of Technology Lausanne (EPFL) / Martin Hafermann, Friedrich Schiller University Jena / Taegon Kim, Applied Materials Inc. / Joseph Olson, Applied Materials Inc. / Rui Wang, Swiss Federal Institute of Technology Lausanne (EPFL) / Carsten Ronning, Friedrich Schiller University Jena / Tobias J. Kippenberg, Swiss Federal Institute of Technology Lausanne (EPFL)
6. 18:00 - 18:30
   M4A.6

   Fully Integrated Coherent Lidar Chip

   Presenter: Mehdi Asghari, SiLC Technologies, Inc., United States

    Presentation Details

   In Person Invited

   In this presentation we will report on our latest progress in integrating multiple channels and solid state scanning into a single chip and applications of the technology to different markets from 1m to Km range.Authors: Mehdi Asghari, SiLC Technologies, Inc.

Integrated Devices for Sensing and Metrology

1. 16:30 - 17:00
   M4B.1

   Large-Scale Optical Phased Array Based on a Multi-Layer Silicon-Nitride-on-Silicon Photonic Platform

   Presenter: Liangjun Lu, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   Virtual Invited

   We review our recent progress on a chip-scale LiDAR transmitter on a multi-layer Si3N4-on-Si photonic platform. Experimental results show the high optical power budget of the chip and the feasibility for FMCW ranging.Authors: Liangjun Lu, Shanghai Jiao Tong University / Weihan Xu, Shanghai Jiao Tong University / Yuyao Guo, Shanghai Jiao Tong University / Chuxin Liu, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University / Linjie Zhou, Shanghai Jiao Tong University
2. 17:00 - 17:15
   M4B.2

   Single-Shot Ultra-Broadband Spectrometer With Cascaded Nanobeam Mirrors

   Presenter: Chunhui Yao, University of Cambridge, United Kingdom

    Presentation Details   Paper

   In Person

   We present a novel reconstructive spectrometer with cascaded nanobeam mirrors. A compact SiN spectrometer is demonstrated achieving <0.5 nm resolution across 160 nm bandwidth with only 15 sampling channels, yielding a record-high spectral pixel-to-channel ratio.Authors: Chunhui Yao, University of Cambridge / Chumeng Yao, University of Cambridge / Peng Bao, University of Cambridge / Jie Ma, GlitterinTech Limited / Ting Yan, GlitterinTech Limited / Richard Penty, University of Cambridge / Qixiang Cheng, University of Cambridge
3. 17:15 - 17:45
   M4B.3

   Waveguide Raman Sensing for Chemical Detection in Industrial Processes

   Presenter: Jerome Michon, InSpek SAS, France

    Presentation Details   Paper

   In Person Invited

   Waveguide-enhanced Raman spectroscopy (WERS) is a promising method for detecting chemical and biological compounds with high sensitivity and selectivity on a chip-scale platform, but has so far been limited to demonstrations in research laboratories. We present the implementation of a fibre-coupled WERS sensing system in an industrial bioproduction process.Authors: Dorian Sanchez, InSpek SAS / Christopher Lieutaud, InSpek SAS / Priscille Bonnassies, InSpek SAS / Yasmine Ibrahimi, InSpek SAS / Chardel Ompala, InSpek SAS / Nabila Imatoukene, AgroParisTech / Jerome Michon, InSpek SAS
4. 17:45 - 18:00
   M4B.4

   Common Cavity Waveguide Coil-Resonator Stabilized Hybrid Integrated WDM Laser With 89 Hz Integral Linewidth

   Presenter: Kaikai Liu, UC Santa Barbara, United States

    Presentation Details   Paper

   In Person

   We stabilize a hybrid-integrated multi-wavelength laser to a photonic-integrated 4.0-meter-coil resonator, with 48 MHz FSR, achieving an 89 Hz integral linewidth and 4.3×10-13 frequency stability at 10.5 ms for 2 different wavelength channels.Authors: Kaikai Liu, UC Santa Barbara / Mohamad Idjadi, Nokia Bell Labs / Stefano Grillanda, Nokia Bell Labs / Kwangwoong Kim, Nokia Bell Labs / Cristian Bolle, Nokia Bell Labs / Mark Cappuzzo, Nokia Bell Labs / Roland Ryf, Nokia Bell Labs / Nicolas Fontaine, Nokia Bell Labs / Mikael Mazur, Nokia Bell Labs / Daniel Blumenthal, UC Santa Barbara
5. 18:00 - 18:15
   M4B.5

   Wafer-Level Fabrication of Vacuum-Gap Fabry–Pérot Resonators With Quality Factors Exceeding One Billion

   Presenter: Naijun Jin, Yale University, United States

    Presentation Details   Paper

   In Person

   We present a wafer-level fabrication method for high-Q, compact vacuum-gap Fabry–Pérot resonators. With quality factors surpassing one billion at 1560 nm, these resonators are well-suited in a range of applications as frequency references.Authors: Naijun Jin, Yale University / Yifan Liu, National Institute of Standards and Technology / Dahyeon Lee, National Institute of Standards and Technology / Haotian Cheng, Yale University / Charles McLemore, National Institute of Standards and Technology / Samuel Halladay, Yale University / Yizhi Luo, Yale University / David Mason, Yale University / Scott Diddams, University of Colorado Boulder / Franklyn Quinlan, National Institute of Standards and Technology / Peter Rakich, Yale University
6. 18:15 - 18:30
   M4B.6

   Co-Packaged Micro Reference Cavity With Photonic Integrated Circuits

   Presenter: Haotian Cheng, Yale University, United States

    Presentation Details   Paper

   In Person

   A compact co-packaged micro Fabry-Perot reference cavity integrated with photonic circuits achieves a redirected signal, 14.2 dB back-reflection suppression, and 79.5\% cavity mode matching efficiency.Authors: Haotian Cheng, Yale University / Naijun Jin, Yale University / Zhaowei Dai, Yale University / Chao Xiang, University of California, Santa Barbara / Joel Guo, University of California, Santa Barbara / Yishu Zhou, Yale University / Scott Diddams, National Institute of Standards and Technology / Franklyn Quinlan, National Institute of Standards and Technology / John Bowers, University of California, Santa Barbara / Owen Miller, Yale University / Peter Rakich, Yale University

Machine Learning and Neural Networks

1. 16:30 - 16:45
   M4C.1

   Experimental Demonstration of Imperfection-Agnostic Local Learning Rules on Photonic Neural Networks With Mach-Zehnder Interferometric Meshes

   Presenter: Luis El Srouji, University of California, Davis, United States

    Presentation Details   Paper

   In Person

   Mach-Zehnder Interferometric meshes are attractive for low-loss photonic matrix multiplication but are challenging to program. Using least-squares optimization of directional derivatives, we experimentally demonstrate that desired matrix updates can be implemented agnostic to hardware imperfections.Authors: Luis El Srouji, University of California, Davis / Mehmet Berkay On, University of California, Davis / Yun-Jhu Lee, University of California, Davis / Mahmoud Abdelghany, University of California, Davis / S. J. Ben Yoo, University of California, Davis
2. 16:45 - 17:00
   M4C.2

   Neural Network With Optical Frequency-Coded ReLU

   Presenter: Margareta Vania Stephanie, AIT Austrian Institute of Technology, Austria

    Presentation Details   Paper

   In Person

   We demonstrate a photonic rectified linear unit (ReLU) function accomplished through frequency-coded neural signals. We show operation of an optical neuron with weighted sum and ReLU activation to perform with a 1% penalty in accuracy.Authors: Margareta Vania Stephanie, AIT Austrian Institute of Technology / Lam Pham, AIT Austrian Institute of Technology / Alexander Schindler, AIT Austrian Institute of Technology / Michael Waltl, TU Wien / Tibor Grasser, TU Wien / Bernhard Schrenk, AIT Austrian Institute of Technology
3. 17:00 - 17:15
   M4C.3

   Sub-pJ/MAC Silicon Photonic GeMM for Optical Neural Networks Using a Time-Space Multiplexed Coherent Xbar

   Presenter: Stefanos Kovaios, Aristotle University of Thessaloniki, Greece

    Presentation Details   Paper

   In Person

   We present a time-space multiplexed Silicon Photonic Neural Network that acts as a General Matrix Multiply (GeMM) engine, using a 2×2 photonic Xbar prototype for demonstrating experimental results at 20GBd and an accuracy of 93.3% at an energy efficiency of 0.2pJ/MAC.Authors: Stefanos Kovaios, Aristotle University of Thessaloniki / Ioannis Roumpos, Aristotle University of Thessaloniki / Apostolos Tsakyridis, Aristotle University of Thessaloniki / George Giamougiannis, Aristotle University of Thessaloniki / Miltiadis Moralis-Pegios, Aristotle University of Thessaloniki / Mathias Berciano, IMEC / Filippo Ferraro, IMEC / Dieter Bode, IMEC / Ashwyn Srinivasan, IMEC / Marianna Pantouvaki, IMEC / Nikos Pleros, Aristotle University of Thessaloniki
4. 17:15 - 17:30
   M4C.4

   Integrated Neuromorphic Information Processing With Electrically-Injected Microring Spiking Neuron

   Presenter: Jinlong Xiang, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   In Person

   We experimentally demonstrate, for the first time, a CMOS-compatible electrically injected microring spiking neuron, capable of reproducibly emulating the typical neural dynamics including excitability threshold, temporal integration, refractory period, and spike inhibition.Authors: Jinlong Xiang, Shanghai Jiao Tong University / Yaotian Zhao, Shanghai Jiao Tong University / Xuhan Guo, Shanghai Jiao Tong University / Yikai Su, Shanghai Jiao Tong University
5. 17:30 - 17:45
   M4C.5

   Reconfigurable All-Optical Integrated Nonlinear Activator With Switchable Response Functions for Photonic Neural Network

   Presenter: Bei Chen, Chinese Academy of Sciences, China

    Presentation Details   Paper

   Virtual

   We experimentally demonstrate a reconfigurable all-optical integrated nonlinear activator with switchable response functions, including Gaussian, Radial Basis, Softplus, leaky ReLU, Swish and clamped ReLU functions, especially all triggered by low-power inputs.Authors: Bei Chen, Chinese Academy of Sciences / Jian Wang, Chinese Academy of Sciences / Zichao Zhao, Zhejiang University / Xiaowen Xiong, Tsinghua University / Jianyi Yang, Zhejiang University / Ming Li, Chinese Academy of Sciences / Ninghua Zhu, Chinese Academy of Sciences
6. 17:45 - 18:00
   M4C.6

   Device Dependent Distortion Correction in Time-Stretch Photonic Analog to Digital Converters Using Deep Neural Networks

   Presenter: Mandeep Singh, Indian Institute of Technology, Madras, India

    Presentation Details   Paper

   In Person

   We experimentally demonstrate a novel deep learning-aided time-stretch photonic front end architecture to overcome device-dependent distortions to improve the signal-to-noise and distortion ratio by more than 24 dB, and reduce the bandwidth requirements of the back-end electronic ADC by three times.Authors: Mandeep Singh, Indian Institute of Technology, Madras / Joydip Dutta, Indian Institute of Technology, Madras / Sreeraj S J, Indian Institute of Technology, Madras / Viswanathan Sankar, Indian Institute of Technology, Madras / Balaji Srinivasan, Indian Institute of Technology, Madras / Lakshmi Narasimhan Theagarajan, Indian Institute of Technology, Madras / Deepa Venkitesh, Indian Institute of Technology, Madras

Resilience in Access Networks

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

   A Physical-Layer Rogue ONU Identification Method Based on Hardware Fingerprint Technology

   Presenter: KaiYu Liu, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), China

    Presentation Details   Paper

   In Person

   We propose a method for identifying rogue ONUs based on hardware fingerprint technology. By directly detecting waveform fingerprints, the experimental results show that the average identification accuracy within 16 ONUs can reach 96.74%.Authors: KaiYu Liu, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST) / Danming Huang, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST) / Chengzhe Tang, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST) / Lei Deng, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST) / Qi Yang, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST) / Xiaoxiao Dai, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST) / Deming Liu, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST) / Mengfan Cheng, National Engineering Research Center for Next Generation Internet Access System, School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST)
2. 16:45 - 17:15
   M4D.2

   Can the PON Legacy Infrastructure Host Quantum Key Distribution Services?

   Presenter: Paola Parolari, Politecnico di Milano, Italy

    Presentation Details   Paper

   In Person Invited

   The integration of quantum key distribution in the legacy access infrastructure is analyzed considering the optical distribution network characteristics and the coexistence of multiple passive optical network standards providing classical channels, sources of Raman crosstalk.Authors: Paola Parolari, Politecnico di Milano / Alessandro Gagliano, Politecnico di Milano / Alberto Gatto, Politecnico di Milano / Pierpaolo Boffi, Politecnico di Milano / Paolo Martelli, Politecnico di Milano
3. 17:15 - 17:30
   M4D.3

   Proactive Congestion Control Within 1-ms Delay at Mobile Midhaul Utilizing Parallel Traffic Prediction and Fast Switchover of CU and Optical Path

   Presenter: Yuka Okamoto, NTT Corporation, Japan

    Presentation Details   Paper

   In Person

   We propose a proactive congestion control method that utilizes parallel traffic prediction and fast switchover of the CU and optical path. Our prototype controller can perform these tasks within a 1-ms delay at the MMH.Authors: Yuka Okamoto, NTT Corporation / Hirotaka Ujikawa, NTT Corporation / Kota Asaka, NTT Corporation / Tatsuya Shimada, NTT Corporation / Tomoaki Yoshida, NTT Corporation
4. 17:30 - 17:45
   M4D.4

   2.5 Gbps Error-Free Physical Layer Key Distribution Based on Signal Hiding Over 80-km SSMF

   Presenter: kongni zhu, Beijing University of Posts and Telecomm, China

    Presentation Details   Paper

   Virtual

   We propose a physical layer key distribution scheme with signal hiding and concatenated coding. Experimental results demonstrate that an error-free key can be obtained with the key generation rate of 2.5 Gbps over the 80-km standard single-mode fiber.Authors: kongni zhu, Beijing University of Posts and Telecomm / Yuang Li, Beijing University of Posts and Telecomm / Mingrui Zhang, Beijing University of Posts and Telecomm / Yajie Li, Beijing University of Posts and Telecomm / Zhao Yongli, Beijing University of Posts and Telecomm / Jie Zhang, Beijing University of Posts and Telecomm

Data Centre and Submarine

1. 16:30 - 17:00
   M4E.1

   AWS Inter-Datacenter Transport Network

   Presenter: Saurabh Kumar, Amazon Web Services, United States

    Presentation Details   Paper

   In Person Invited

   This talk is on the evolution of Amazon Web Services (AWS) inter-datacenter optical network. We will review the network architecture, discuss our approach to optical platforms and present examples of topology planning, deployment, and operations automation.Authors: Saurabh Kumar, Amazon Web Services
2. 17:00 - 17:15
   M4E.2

   Novel in-Line Triage Methodology for High-Speed Optical Transceivers in Hyperscale Datacenters

   Presenter: Elaine Chou, Meta, United States

    Presentation Details   Paper

   In Person

   A novel in-line triage methodology has been developed by leveraging data collected from optical transceivers and network switches. A success rate of ~68% was achieved by correlating diagnosis from triage to failure analysis from vendors.Authors: Elaine Chou, Meta / Arun Mohan, Meta / Chris Berry, Meta / Chet Powers, Meta / Mario Morales, Meta
3. 17:15 - 17:30
   M4E.3

   Non-Intrusive DAS Coexisting in Telecom Networks

   Presenter: Jan Kristoffer Brenne, Alcatel Submarine Networks Norway, Norway

    Presentation Details   Paper

   Virtual

   We describe DAS interrogation for non-intrusive coexistence with live C-band WDM channels. The scheme facilitates consistent high sensing sensitivity range >100 km. Surface vessels, seabed fishing gear and earthquakes are localized from the 2Africa network.Authors: Jan Kristoffer Brenne, Alcatel Submarine Networks Norway / Anthony Sladen, Université Côte d'Azur, CNRS, Observatoire de la Côte d'Azur, IRD, Géoazur / Pascal Pecci, Meta / Jan Petter Morten, Alcatel Submarine Networks Norway / Julian Pelaez, Université Côte d'Azur, CNRS, Observatoire de la Côte d'Azur, IRD, Géoazur / Joacim Jacobsen, Alcatel Submarine Networks Norway / Alain Calsat, Alcatel Submarine Networks / Philippe Plantady, Alcatel Submarine Networks / Jean-Paul Ampuero, Université Côte d'Azur, CNRS, Observatoire de la Côte d'Azur, IRD, Géoazur / Diane Rivet, Université Côte d'Azur, CNRS, Observatoire de la Côte d'Azur, IRD, Géoazur / Herve Février, Landelles Consulting
4. 17:30 - 17:45
   M4E.4

   First Impact Movement Characterization of Shallow Buried Live Subsea-Cable

   Presenter: Kristina Shizuka Yamase Skarvang, NTNU, Norway

    Presentation Details   Paper

   In Person

   Revealing availability threats and security attacks using State of Polarisation monitoring shows impact characteristics from a cable trencher passing over, moving a subsea cable carrying live traffic while dBQ value dips 0.6 dB.Authors: Steinar Bjørnstad, Tampnet / Kristina Shizuka Yamase Skarvang, NTNU / Dag Roar Hjelme, NTNU / Asbjørn Tunheim, Tampnet / Frode Fjermestad, Tampnet / Eivind Østerli, Tampnet
5. 17:45 - 18:15
   M4E.5

   Next Generation SDM Submarine Networks: From Telecom to Climate Change

   Presenter: Olivier Courtois, Alcatel Submarine Networks, France

    Presentation Details

   In Person Invited

   We review recent advancements in spatial division multiplexing (SDM) towards next generation Pb/s submarine cables, highlighting the transformative impact of these technologies on global communication networks and reporting their novel applications in climate change monitoring.Authors: Olivier Courtois, Alcatel Submarine Networks
6. 18:15 - 18:30
   M4E.6

   Delay-Minimized Distributed Sequence Routing for Satellite Optical Networks

   Presenter: Ruijie Zhu, Zhengzhou University, China

    Presentation Details   Paper

   Virtual

   A sequence routing algorithm based geographical information is proposed to reduce delay in satellite optical networks. The simulation results show that compared with the static topological routing algorithm, the average delay is reduced by 30%.Authors: Qiancheng Zhao, Zhengzhou University / Ruijie Zhu, Zhengzhou University / Yudong Zhang, Zhengzhou University / Wenchao Zhang, Zhengzhou University / Chao Xi, Space Star Technology CO., LTD / Bo Yang, Space Star Technology CO., LTD

Advanced Optical Communication Technologies

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

   Photonic Layer Encryption in High Speed Optical Communications

   Presenter: Dan Sadot, Ben Gurion University of the Negev, Israel

    Presentation Details   Paper

   Invited

   Combining multi-THz optical spectrum spreading, photonic phase encoding, and negative OSNR transmission, forms photonic shield that prevents data recording for offline deciphering. This supports post-quantum security by eliminating raw data availability for quantum computers processing.Authors: Dan Sadot, Ben Gurion University of the Negev / Eyal Wohlgemuth, CyberRidge / Ido Attia, Ben Gurion University of the Negev / Ohad Balasiano, Ben Gurion University of the Negev / Isaac Jonas, Ben Gurion University of the Negev / Elimelech Keller, CyberRidge / Hamutal Shalom, CyberRidge
2. 17:00 - 17:15
   M4F.2

   Probabilistically Shaped 64-QAM Transmission via Distortion-Aware Phase Retrieval

   Presenter: Hanzi Huang, Nokia Bell Labs, United States

    Presentation Details   Paper

   In Person

   We experimentally demonstrate 50-GBaud probabilistically shaped 64-QAM transmission with 5.6-bits/symbol entropy over 80-km SSMF using carrierless intensity-only detection via a distortion-aware phase retrieval receiver, resulting net capacity over 200 Gb/s.Authors: Hanzi Huang, Nokia Bell Labs / Haoshuo Chen, Nokia Bell Labs / Peiji Song, Nokia Bell Labs / Cheng Guo, Nokia Bell Labs / Qi Gao, Shanghai University / Yetian Huang, Nokia Bell Labs / Nicolas Fontaine, Nokia Bell Labs / Mikael Mazur, Nokia Bell Labs / Lauren Dallachiesa, Nokia Bell Labs / Roland Ryf, Nokia Bell Labs / Zhengxuan Li, Shanghai University / Yingxiong Song, Shanghai University
3. 17:15 - 17:30
   M4F.3

   Double-Stage Carrier Frequency Offset Estimation Using the Eigenvalue and Scattering Coefficient b in the Nonlinear Fourier Transform

   Presenter: Taisuke Chino, Osaka University, Japan

    Presentation Details   Paper

   In Person

   We propose a novel method to estimate the carrier frequency offset (CFO) using the eigenvalue and scattering coefficient b in the NFT. Our experiments demonstrate fine CFO estimation below 10 kHz for the proposed method.Authors: Taisuke Chino, Osaka University / Takumi Motomura, Osaka University / Akihiro Maruta, Osaka University / Ken Mishina, Osaka University
4. 17:30 - 17:45
   M4F.4

   Detector-on-Demand for Flexible Homodyne Transmission

   Presenter: Bernhard Schrenk, AIT Austrian Institute of Technology, Austria

    Presentation Details   Paper

   In Person

   We demonstrate a segmented coherent detector configuration that enables polarization-insensitive or -multiplexed reception in half- or full-duplex operation mode for single-λ or ultra-dense WDM configurations with up to 91 Gb/s/sub-λ OFDM data rate.Authors: Bernhard Schrenk, AIT Austrian Institute of Technology / Fotini Karinou, Microsoft Research Ltd
5. 17:45 - 18:15
   M4F.5

   Opportunities and Challenges of Optical Communications in Autonomous Driving Vehicles

   Presenter: Gordon Liu, Soochow University, China

    Presentation Details   Paper

   Virtual Invited

   Autonomous driving vehicles require high bandwidth due to the increased sensors and improved architectures. Optical communications provide several advantages over copper cables in intra-vehicle networks, but face many challenges, especially because of the harsh environment.Authors: Gordon Liu, Soochow University

Advancement in Quantum Key Distribution Systems II

1. 16:30 - 16:45
   M4H.1

   Squeezing Recovery After Detection With a Completely Free-Running Local Oscillator

   Presenter: Huy Nguyen, Danmarks Tekniske Universitet, Denmark

    Presentation Details   Paper

   In Person

   We performed the first measurement and recovery of squeezed light using a free-running coherent receiver with a separate laser, 98% of the squeezing was preserved in our method relative to measurements with a shared laser.Authors: Huy Nguyen, Danmarks Tekniske Universitet / Hou-Man Chin, Danmarks Tekniske Universitet / Adnan Hajomer, Danmarks Tekniske Universitet / Ulrik L. Andersen, Danmarks Tekniske Universitet / Tobias Gehring, Danmarks Tekniske Universitet
2. 16:45 - 17:00
   M4H.2

   Savitzky-Golay-Filter-Based Phase Recovery for CV-QKD

   Presenter: Elisabeth Llanos Pla, Luxquanta Technologies SL, Spain

    Presentation Details   Paper

   In Person

   A Savitzky-Golay filter (SGF) is employed to reduce the excess noise introduced by a pilot-tone-based phase recovery in CV-QKD. Results show an improvement of 29.2% in the secret key rate at 10.9 km when the SGF is used.Authors: Elisabeth Llanos Pla, Luxquanta Technologies SL / Pol Adillon, Luxquanta Technologies SL / Samael Sarmiento-Hernández, Luxquanta Technologies SL / Jeison Tabares, Luxquanta Technologies SL / Sebastian Etcheverry, Luxquanta Technologies SL
3. 17:00 - 17:15
   M4H.3

   Assessing the Impact of Patterning Effect on Quantum Key Distribution

   Presenter: tao wang, Beijing University of Posts and Telecommunications, China

    Presentation Details   Paper

   Virtual

   We assessed the impact of patterning effect on SKR in QKD while considering statistical fluctuations. Through numerical simulations, compared to WCS, HSPS demonstrated superior resistance to patterning effect and can transmit over longer distances.Authors: tao wang, Beijing University of Posts and Telecommunications / Yixin Wang, Beijing University of Posts and Telecommunications / Yanwen Zhu, Beijing University of Posts and Telecommunications / Sheng Liu, China Mobile Research Institute / Jie Zhang, Beijing University of Posts and Telecommunications
4. 17:15 - 17:30
   M4H.4

   First Demonstration of a Group-IV Emitter on Photonic BiCMOS Supplying a Quantum Communication Link

   Presenter: Florian Honz, AIT, Austria

    Presentation Details   Paper

   In Person

   We implement a silicon-on-insulator light emitter as optical supply for a QKD transmitter and transfer it to an electronic BiCMOS wafer. A secure key is established over short reach in co-existence with shortwave data transmission.Authors: Florian Honz, AIT / Michael Hentschel, AIT / Stefan Jessenig, ams-OSRAM AG / Jochen Kraft, ams-OSRAM AG / Philip Walther, University of Vienna / Bernhard Schrenk, AIT
5. 17:30 - 18:30
   M4H.5

   Recent Developments in Quantum Key Distribution

   Presenter: Christoph Marquardt, Max Planck Institute Science of Light, Germany

    Presentation Details

   Tutorial

   I will introduce the principles and requirements of quantum key distribution in realistic scenarios and applications. Furthermore I will highlight advances and developments in the field in the technical and architectural domain.Authors: Christoph Marquardt, Max Planck Institute Science of Light

Integrated Optics for Communication and Sensing

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

   Silicon Photonic Four-Channel Dual-Polarization Coherent Receiver Module for FMCW LiDAR Application

   Presenter: Fan Qi, SiFotonics Technologies Co., Ltd., China

    Presentation Details   Paper

   Virtual

   We demonstrate a four-channel dual-polarization FMCW LiDAR receiver module using a silicon photonic coherent receiver chip. The sensitivity of the module is better than -80dBm. The ranging operation within a distance of 81.9m is demonstrated.Authors: Chang Liu, SiFotonics Technologies Co., Ltd. / Fan Qi, SiFotonics Technologies Co., Ltd. / Pengfei Cai, SiFotonics Technologies Co., Ltd. / Su Li, SiFotonics Technologies Co., Ltd. / Jiaxing Zhao, SiFotonics Technologies Co., Ltd. / Yanhui Duan, SiFotonics Technologies Co., Ltd. / Chingyin Hong, SiFotonics Technologies Co., Ltd. / Dong Pan, SiFotonics Technologies Co., Ltd.
2. 16:45 - 17:00
   M4J.2

   Photon-Counting Laser Ranging With Dual-Comb Asynchronous Optical Sampling

   Presenter: Yun Meng, Tianjin University, China

    Presentation Details   Paper

   Virtual

   We report on laser ranging using dual-comb asynchronous optical sampling and a fractal SNSPD, achieving ranging precision of 7.7 micrometer and 65 nm with acquisition time of 1 ms and 1 s, respectively.Authors: Yun Meng, Tianjin University / Yanqing Shi, Tianjin University / Kai Zou, Tianjin University / Youjian Song, Tianjin University / Xiaolong Hu, Tianjin University
3. 17:00 - 17:30
   M4J.3

   Integrated Photonic Processors for Optical Free-Space Links

   Presenter: Francesco Morichetti, Politecnico di Milano, Italy

    Presentation Details   Paper

   In Person Invited

   Programmable photonic integrated processors offer a large potential for the generation, manipulation, and detection of free-space optical beams (FSO). Applications are shown on the automated setting of optimal orthogonal MIMO channels and transmission through time-varying FSO links.Authors: SeyedMohammad SeyedinNavadeh, Politecnico di Milano / Andres Martinez, Politecnico di Milano / Alessandro di Tria, Politecnico di Milano / Emanuele Sacchi, Politecnico di Milano / Francesco Zanetto, Politecnico di Milano / Giorgio Ferrari, Politecnico di Milano / Marco Sampietro, Politecnico di Milano / David Miller, Stanford University / Andrea Melloni, Politecnico di Milano / Francesco Morichetti, Politecnico di Milano
4. 17:30 - 17:45
   M4J.4

   Fabrication-Tolerant High-Speed 5-bit Silicon Optical True Time Delay Line in the O-Band

   Presenter: Ziheng Ni, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   Virtual

   We demonstrated a high-speed 5-bit silicon optical true time delay line based on fabrication-tolerant electro-optic push-pull optical switches, which shows a lower phase deviation and a lower insertion loss compared with the conventional design.Authors: Ziheng Ni, Shanghai Jiao Tong University / Yixuan Wang, Shanghai Jiao Tong University / Liangjun Lu, Shanghai Jiao Tong University / Yuanbin Liu, Shanghai Jiao Tong University / Jianping Chen, Shanghai Jiao Tong University / Linjie Zhou, Shanghai Jiao Tong University
5. 17:45 - 18:00
   M4J.5

   Power Monitoring and Thermal Crosstalk Compensation for ORR-Based Optical Beamformer

   Presenter: Bin Shi, Technische Universiteit Eindhoven, Netherlands

    Presentation Details   Paper

   In Person

   We demonstrate thermal-crosstalk-compensated ORR-based beamformer on InP photonic integrated circuit, through an automatic voltage control method that uses on-chip power monitoring for continuous delay tuning, with <1s reconfiguration time.Authors: Bin Shi, Technische Universiteit Eindhoven / Ripalta Stabile, Technische Universiteit Eindhoven / Eduward Tangdiongga, Technische Universiteit Eindhoven
6. 18:00 - 18:15
   M4J.6

   W-Band Wireless Transmission Based on 98 GHz Packaged Silicon Photonics Optical Clock Generator

   Presenter: Antonio Malacarne, CNIT, Italy

    Presentation Details   Paper

   In Person

   A fully packaged CMOS-compatible photonic integrated frequency-tunable optical clock synthesizer is used for 93 GHz wireless transmission of complex modulation formats up to 4 Gb/s data rate, with noise performance suitable for upcoming 6G networks.Authors: Antonio Malacarne, CNIT / Alberto Montanaro, CNIT / Fawad Ahmad, Sant'Anna School of Advanced Studies / Gaurav Pandey, Sant'Anna School of Advanced Studies / Antonio D'Errico, Ericsson Research / Marco Romagnoli, CNIT / Antonella Bogoni, Sant'Anna School of Advanced Studies / Claudio Porzi, Sant'Anna School of Advanced Studies
7. 18:15 - 18:30
   M4J.7

   Beamforming Demonstration of Hybrid Photonic Integrated Circuit Based on a Blass Matrix for Radar Receivers

   Presenter: Federico Camponeschi, Scuola Superiore SantAnna, Italy

    Presentation Details   Paper

   In Person

   This paper reports the first-ever beamforming demonstration of a hybrid photonic integrated circuit operating as RF down-converter based on an optical Blass-matrix architecture for a Scan-on-Receive synthetic aperture radar intended for Earth observation from space.Authors: Federico Camponeschi, Scuola Superiore SantAnna / Valentina Gemmato, Scuola Superiore SantAnna / Filippo Scotti, CNIT / Luca Rinaldi, CNIT / Ahmad Mohammad, Lionix / Chris Roeloffzen, Lionix / Paul van Dijk, Lionix / Paolo Ghelfi, CNIT

Nonliner Transmission

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

   Enhancing Generalization in Neural Channel Model for Optical Fiber WDM Transmission Through Learned Encoding of System Parameters

   Presenter: Chuyan Zeng, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   In Person

   We propose a learned encoding method to enhance neural channel model generalization by integrating system parameters as side information. This approach achieves large-scale generalization, encompassing optical fiber transmission launch power and distance.Authors: Chuyan Zeng, Shanghai Jiao Tong University / Zekun Niu, Shanghai Jiao Tong University / Hang Yang, Shanghai Jiao Tong University / Minghui Shi, Shanghai Jiao Tong University / Weisheng Hu, Shanghai Jiao Tong University / Lilin Yi, Shanghai Jiao Tong University
2. 16:45 - 17:00
   M4K.2

   Pruning Attention in Transformers for Nonlinear Channel Compensation in Optical Systems

   Presenter: Hossein Najafi, Huawei Technologies Canada, Canada

    Presentation Details   Paper

   In Person

   We study pruning attention in Transformers for optical nonlinear channel compensation. We show the impact of statistical pruning on the performance and complexity of nonlinear equalization and compare it with a physics-informed pruning scheme.Authors: Behnam Behinaein Hamgini, Huawei Technologies Canada / Hossein Najafi, Huawei Technologies Canada / Ali Bakhshali, Huawei Technologies Canada / Zhuhong Zhang, Huawei Technologies Canada
3. 17:00 - 17:30
   M4K.3

   The Information Capacity of the Fiber-Optic Channel: Bounds and Prospects

   Presenter: Mark Shtaif, Tel Aviv University, Israel

    Presentation Details   Paper

   In Person Invited

   We discuss the challenges in assessing the theoretical limits to the throughput of fiber-optic communications systems and argue that the uncertainty of available information capacity limits is within a range of 1.17 bits. We show that record experiments are within 20 to 30 percent from these limits in single-mode fiber systems. Finally, we relate to the challenge of predicting the scaling of capacity with bandwidth.Authors: Mark Shtaif, Tel Aviv University / Cristian Antonelli, University of L'Aquila / Xi Chen, Nokia Bell-Labs / Antonio Mecozzi, University of L'Aquila
4. 17:30 - 17:45
   M4K.4

   Improved Physics-Based Raman Amplifier Model in C+L Networks Through Input Parameter Refinement

   Presenter: Yihao Zhang, Shanghai Jiao Tong University, China

    Presentation Details   Paper

   In Person

   We propose an input parameter refinement scheme for the physics-based Raman amplifier model. Experiments over C+L band are conducted. Results show the scheme can lower the physical model's maximum estimation error by ~2.13 dB.Authors: Yihao Zhang, Shanghai Jiao Tong University / Xiaomin Liu, Shanghai Jiao Tong University / Qizhi Qiu, Shanghai Jiao Tong University / Yichen Liu, Shanghai Jiao Tong University / Lilin Yi, Shanghai Jiao Tong University / Weisheng Hu, Shanghai Jiao Tong University / Qunbi Zhuge, Shanghai Jiao Tong University
5. 17:45 - 18:00
   M4K.5

   Autoencoder Learning of Constellation Shaping Robust to Semiconductor Laser Noise and Nonlinearity in Fiber-THz System

   Presenter: Xiang Liu, Southeast University, China

    Presentation Details   Paper

   Virtual

   We experimentally demonstrate the robustness of autoencoder-based constellation shaping against semiconductor laser noise and nonlinearity. Up to 46% lower BER and 1.5 dB gain are achieved in the fiber-THz system at 320 GHz.Authors: Xiang Liu, Southeast University / Jiao Zhang, Purple Mountain Laboratories / Min Zhu, Southeast University / Zhigang Xin, Southeast University / Weidong Tong, Southeast University / Yunwu Wang, Southeast University / Bingchang Hua, Purple Mountain Laboratories / Yuancheng Cai, Purple Mountain Laboratories / Mingzheng Lei, Purple Mountain Laboratories / Junjie Ding, Purple Mountain Laboratories / Xingyu Chen, Purple Mountain Laboratories / Bo Liu, Nanjing University of Information Science and Technology / Jianjun Yu, Fudan University
6. 18:00 - 18:15
   M4K.6

   Fast and Accurate DNN-Based Approach in Maximizing Ultra-Wideband Fiber-Optic Systems Throughput

   Presenter: Zelin Gan, University of Cambridge, United Kingdom

    Presentation Details   Paper

   In Person

   We present a fast and accurate physical layer model assisted by a neural network to maximize the throughput for ultra-wideband systems. The proposed approach significantly saves computation time and keeps the same precision.Authors: Zelin Gan, University of Cambridge / Mykyta Shevchenko, University College London / Sam Nallaperuma Herzberg, University of Cambridge / Seb Savory, University of Cambridge
7. 18:15 - 18:30
   M4K.7

   1200-km Transmission of 4096-ary Eigenvalue-Modulated Signal Using a Neural Network-Based Demodulator and SD-FEC

   Presenter: Ryotaro Harada, Osaka University, Japan

    Presentation Details   Paper

   In Person

   We experimentally demonstrate the transmission of a 4096-ary eigenvaluemodulated signal using a neural network-based demodulator and SD-FEC. The experimental results indicate a successful operation with an error-free transmission through a 1200-km optical fiber line.Authors: Ryotaro Harada, Osaka University / Tsuyoshi Yoshida, Mitsubishi Electric Corporation / Daisuke Hisano, Osaka University / Akihiro Maruta, Osaka University / Ken Mishina, Osaka University