The Optical Networking and Communication
Conference & Exhibition

San Diego Convention Center,
San Diego, California, USA

Short Reach/LAN/WAN/Metro/PON Presentations and Events

Short Reach/LAN/WAN/Metro/PON Schedule Sunday, 11 March Monday, 12 March Tuesday, 13 March Wednesday, 14 March Thursday, 15 March
Workshop: DSP for Short Reach and Client Optics - What Makes Sense? 12:30 - 13:30         
Workshop: Ultimate Capacity Limits for TDM/TDMA PON 12:30 - 13:30         
Network Techno-economics (M1A)   8:00 - 10:00      
Beyond 10G PON Evolution I (M1B)   8:00 - 10:00      
Optical Wireless - Systems (M1F)   8:00 - 10:00      
DSP Techniques for High-order QAM (M1C)   8:15 - 10:00      
Beyond 10G PON Evolution II (M2B)   10:30 - 12:30      
Optical Wireless - Signal Processing (M2K)   10:30 - 12:30      
Coherent and DSP Technologies for PON (M3B)   14:00 - 16:00      
Optical Wireless - Technologies (M3K)   14:00 - 16:00      
Deployments of Optical Access and Front Haul (M4I)   14:30 - 16:30      
Data Center & PON Transponder Technology (Tu2B)     14:00 - 16:00    
Short Reach I (Tu2C)     14:00 - 16:00    
Content Distribution and Edge Computing (Tu2G)     14:00 - 16:00    
Low Latency Services & xHaul over PON (Tu2K)     14:00 - 16:00    
Coding and Modulation (Tu3C)     14:30 - 16:15    
High Capacity Transmission Systems (W1B)       8:00 - 10:00  
Short Reach II (W1J)       8:00 - 10:00  
Devices for Interconnects (W1I)       8:00 - 10:00  
Optical Switching in Data Centers (W1C)       8:15 - 10:00  
Deployable Transport Networks (W4A)       16:30 - 18:30  
Advanced Technologies for High Speed PON (W4G)       16:30 - 18:30  
Advances in Coherent Design and Measurement (Th1A)         8:00 - 10:00
Components for Future PON (Th1E)         8:00 - 10:00
High Capacity Subsystems (Th1F)         8:00 - 10:00
Photonic Networks for Data Centers (Th1G)         8:15 - 10:00
Optical Switching I (Th1J)         8:15 - 10:00
Current Topics in Long Haul/Metro Transmission (Th3A)         14:00 - 15:00
Data Center Interconnect Deployments (Th3F)         14:00 - 15:00
Optical Switching Sub-systems (Th3H)         14:00 - 15:45
Optical Switching II (Th3C)         14:00 - 16:00
Hybrid Access Networks for Wireless Delivery (Th3G)         14:00 - 16:00

Network Techno-economics (M1A)
Monday, 12 March, 8:00 - 10:00

Techno-Economic Evaluations of 400G Optical Interconnect Implementations for Datacenter Networks (M1A.1)
8:00 - 8:15     Contributed Submission
Presenter: Theodoros Rokkas, Athens Information Technology, inCITES Consulting, Luxembourg
The cost evolution and power consumption of different 400G transceivers are modeled and the benefits of constructing and scaling the Facebook’s datacenter Fabric utilizing different technologies is presented through comparative cost and power consumption analysis

Fiber type dependent benefits when deploying up-to-300Gb/s elastic transponders adapting to ageing of margins (M1A.2)
8:15 - 8:30     Contributed Submission
Presenter: Jelena Pesic, Nokia Bell Labs, France
We compare cost savings when planning a WDM French backbone network based on SSMF or LEAF, with 32 GBaud elastic optical transponders adapting their capacity from 100 to 300 Gb/s to the actual ageing margins.

A Statistical Assessment of Networking Merit of 2MxN WSS (M1A.3)
8:30 - 8:45     Contributed Submission
Presenter: Mattia Cantono, Politecnico di Torino, Italy
We assess the networking impact in terms of blocking probability and device counts of a novel low-contention probability network node. We show no significant penalties with respect to full-CDC solutions in a metro network scenario

Network Design Framework to Spectral- and Cost-Efficiently Exploit Next-Generation Line Interfaces (M1A.4)
8:45 - 9:00     Contributed Submission
Presenter: Daniela Moniz, Coriant Portugal, Instituto de Telecomunicações, Portugal
This paper proposes a network design framework for phased service provisioning with current- and next-generation high symbol rate line interfaces. Network simulations show that both cost- and spectral-savings can be attained over the network lifecycle.

Agile Optical Networking: Beyond Filtered Solutions (M1A.5)
9:00 - 9:30     Invited Submission
Presenter: Christine Tremblay, Ecole de technologie supérieure, Canada
Filterless optical networks based on broadcast-and-select nodes and coherent transceivers are attractive cost-effective and flexible solutions in core networks. In this talk, we explore the suitability of filterless architectures in metropolitan core and aggregation networks.

Minimizing the Cost and Augmenting the Resilience of Vulnerable Optical Transport Networks (M1A.6)
9:30 - 9:45     Contributed Submission
Presenter: Bodhisattwa Gangopadhyay, Coriant, Portugal
This paper proposes an architecture combining high density muxponders, universal OTN switching, flexi-rate line interfaces and a cost-optimized node clustering scheme to enhance network resiliency without compromising the total cost of ownership (TCO).

Modular SDN-enabled S-BVT Adopting Widely Tunable MEMS VCSEL for Flexible/Elastic Optical Metro Networks (M1A.7)
9:45 - 10:00     Contributed Submission
Presenter: Michela Svaluto Moreolo, Ctr Tecnològic de Telecom de Catalunya, Spain
We propose an SDN-enabled S-BVT adopting directly-modulated tunable VCSEL with direct-detection for optical metro networks and spectrum defragmentation. We experimentally assess it over different network paths up to 185km and in presence of adjacent slices.


Beyond 10G PON Evolution I (M1B)
Monday, 12 March, 8:00 - 10:00

Real-time Downstream 25Gbit/s PAM4 for High Speed TDM-PONs with both 25 and 12.5Gbit/s ONUs (M1B.1)
8:00 - 8:15     Contributed Submission
Presenter: Sylvain Barthomeuf, Orange Labs, LTCI, Télécom ParisTech, France
We experimentally achieved 40km, real-time, N1 ODN class (29dB) compliant PAM4 transmission with PAM4/NRZ receptions on the same PON. The emitted PAM4 is interpreted either as PAM4 or NRZ to allow full or half line-rates.

Burst-Mode Actively-Filtered Receiver for TDM-PON Enabling Extended Reach and Improved Sensitivity (M1B.2)
8:15 - 8:30     Contributed Submission
Presenter: Robert Borkowski, Nokia Bell Labs, Germany
We experimentally demonstrate an actively-filtered receiver for TDM-PON. Bias-current tuning of a DFB-based-filter enables tracking the wavelength-drift of DML under burst-mode operation. We measure >70% reach increase, >5dB sensitivity improvement, and 4.8dB higher extinction ratio.

Investigation of 100G (4x25G) NG-PON2 Upgrade using a Burst Mode Laser based on a Multi-Electrode Laser to enable 100 GHz Wavelength Grid (M1B.3)
8:30 - 8:45     Contributed Submission
Presenter: Vincent Houtsma, Nokia Bell Labs, United States
Investigation of NG PON2 upgrade to 25 Gb/s line-rate on a 100 GHz grid using a burst-mode transmitter based on a multi-electrode DFB. Compliance with NG PON2 MSE requirements is shown.

Symmetrical 50-Gb/s/λ PAM-4 TDM-PON in O-band with DSP and Semiconductor Optical Amplifier Supporting PR-30 Link Loss Budget (M1B.4)
8:45 - 9:00     Contributed Submission
Presenter: Junwen Zhang, ZTE TX Inc, United States
We experimentally investigate the symmetrical 50-Gb/s/λ PAM-4 TDM-PON solutions in the O-band to support the PR-30 link loss budget, with the using of DSP and SOA. The performances of DSP and SOA setup are studied.

Demonstration of 50Gb/s/λ Symmetric PAM4 TDM-PON with 10G-class Optics and DSP-free ONUs in the O-band (M1B.5)
9:00 - 9:15     Contributed Submission
Presenter: Kuo Zhang, Shanghai Jiao Tong University, McGill University, China
We demonstrate a 50Gb/s/λ PAM4 TDM-PON based on 10G-class DMLs and PDs in O-band with downlink pre-compensation and uplink post-equalization. Results show that, without any DSP in the ONU, 29dB optical power budget is achieved.

Optical vs. Electrical Duobinary Coding for 25 Gb/s PONs based on DSP-free Coherent Envelope Detection (M1B.6)
9:15 - 9:30     Contributed Submission
Presenter: Mario Rannello, Scuola Superiore Sant Anna di Pisa, Italy
We investigate and experimentally compare 25 Gb/s serial-line rate optical and electrical duobinary signals combined with DSP-free, coherent envelope-detection for serial-line rate upgrade in future PONs. -37.3dBm sensitivity is achieved without applying any equalization.

Real-Time FPGA Demonstration of PAM-4 Burst-Mode All-Digital Clock and Data Recovery for Single wavelength 50G PON Application (M1B.7)
9:30 - 9:45     Contributed Submission
Presenter: Junwen Zhang, ZTE TX Inc, United States
We demonstrate the burst-mode all-digital clock and data recovery for 26.20546-GBaud PAM-4 signal with real-time FPGA processing. With a free-running ADC, clock recovery is achieved within 32 symbols based on the squaring timing recovery algorithm.

Adaptive Equalization Enabled 25Gb/s NRZ Modulation Based on 10-G Class Optics for Upstream Burst-Mode Transmission (M1B.8)
9:45 - 10:00     Contributed Submission
Presenter: Zhengxuan Li, Shanghai University, China
We demonstrate 10G-class optics based 25-Gb/s upstream burst-mode transmission using adaptive equalization for ISI compensation. -23 dBm sensitivity at FEC limit of 1×10-3 is achieved, where tap adaption can be realized within 400 training bits.


Optical Wireless - Systems (M1F)
Monday, 12 March, 8:00 AM - 10:00 AM

A 84 Gb/s VSB-PAM8 VCSEL-Based Fiber-FSO Convergence (M1F.1)
8:00 - 8:15     Contributed Submission
Presenter: Hai-Han Lu, National Taipei University of Technology, Taiwan
A 84 Gb/s VSB-PAM8 VCSEL-based fiber-FSO convergence with injection locking scheme and linear equalizer is demonstrated. Such proposed VSB-PAM8 VCSEL-based fiber-FSO convergence is a notable option with good transmission performances for providing high transmission rate.

Experimental Demonstration of a 12.5 Gb/s Indoor Optical Wireless Communication System with Silicon Integrated Photonic Circuit (M1F.2)
8:15 - 8:30     Contributed Submission
Presenter: KE WANG, Royal Melbourne Institute of Technology, Nanjing University of Science and Technology, Australia
A high-speed indoor infrared optical wireless communication system using silicon photonics integrated beam steering circuit is experimentally demonstrated. Results show that up to 12.5 Gb/s error-free operation is achieved through over 140 cm free-space distance.

Use Cases for Optical Wireless Communication (M1F.3)
8:30 - 9:00     Invited Submission
Presenter: Dominic Schulz, Fraunhofer Heinrich Hertz Institute, Germany
We present results from trials in three promising uses cases for optical wireless communication (OWC): Mobile backhaul, industrial wireless, and indoor Li-Fi. We point out specific requirements and illustrate performance through measurements in typical scenarios.

1 Gb/s All-LED Visible Light Communication System (M1F.4)
9:00 - 9:15     Contributed Submission
Presenter: Bernhard Schrenk, AIT Austrian Institute of Technology, Austria
We evaluate the use of LEDs intended for illumination as low-cost filtered optical detectors. An optical wireless system that is exclusively based on commercial off-the-shelf 5-mm R/G/B LEDs is experimentally demonstrated for Gb/s close-proximity transmission.

230 Mbit/s Real-Time Optical Wireless Transmission in Non-Directed Line-Of-Sight Configuration (M1F.5)
9:15 - 9:30     Contributed Submission
Presenter: Giulio Cossu, Scuola Superiore Sant Anna di Pisa, Italy
We experimentally realized a real-time optical wireless transmission in Non-directed Line-of-Sight (i.e. without lens), by a low-cost infrared LED and FPGA-based DMT processing. We achieve from 230 to 100 Mbit/s over a 3 m2 area.

Towards Dynamic Ultrahigh Capacity Symmetric Bidirectional Indoor Optical-Wireless Communication (M1F.6)
9:30 - 9:45     Contributed Submission
Presenter: Ketemaw Addis Mekonnen, Eindhoven University of Technology, Netherlands
By implementing optical carrier reuse concept, we demonstrate a novel full-duplex optical-wireless communication system using a reflective-modulator chip at the user terminal, equipped with localization/tracking functionalities, with unshared symmetric capacity of up to 40Gb/s.

LCoS-based Access Node for Bidirectional Optical Wireless Communications (M1F.7)
9:45 - 10:00     Contributed Submission
Presenter: Hsi-Hsir Chou, National Taiwan Univ of Science & Tech, Taiwan
An LCoS-based access node using optical fibers as the transmitter and receiver to extend the high-speed data transmission from NG-PON 2 to indoor home area network through optical wireless communications without O/E/O conversions is reported.


DSP Techniques for High-order QAM (M1C)
Monday, 12 March, 8:15 - 10:00

Single-carrier 48-GBaud PDM-256QAM transmission over unrepeated 100km single-mode-fiber using commercially available μITLA and LN-IQ-modulator (M1C.1)
8:15 - 8:30     Contributed Submission
Presenter: Asuka Matsushita, NTT Corporation, Japan
Record symbol-rate PDM-256QAM single-carrier transmission of 100km is achieved using commercially available laser and modulator with only applying compensation for linear frequency response of transceiver and receiver; device nonlinearity compensation is not used.

Improving Achievable Information Rates of 64-GBd PDM-64QAM by Nonlinear Transmitter Predistortion (M1C.2)
8:30 - 8:45     Contributed Submission
Presenter: Robert Elschner, Fraunhofer HHI, Germany
We assess the gains in achievable information rate for 64-GBd PDM-64QAM signal transmission with Volterra-based digital predistortion of nonlinear transmitter components and show an improvement of up to 0.6 bit/4D-symbol over conventional linear predistortion.

Advanced DSP Technologies with Symbol-rate over 100-Gbaud for High-capacity Optical Transport Network (M1C.3)
8:45 - 9:15     Invited Submission
Presenter: Masanori Nakamura, NTT Network Innovation Laboratories, Japan
100-Gbaud-class systems are promising candidates for over 400-Gbps serial long-haul transport without increasing the number of transponders. We review DSP technologies, e.g. signal generation, calibration, post compensation and advanced modulation for realizing 100-Gbaud-class transceivers.

Experimental Validation of a Channel Estimation Algorithm for Transmitter-side Digital Pre-compensation Filters (M1C.4)
9:15 - 9:30     Contributed Submission
Presenter: Sjoerd van der Heide, Institute for Photonic Integration (IPI), Eindhoven University of Technology, Netherlands
A channel estimation algorithm is introduced and experimentally validated with a 112-Gbit/s PAM-4 transmission system. The algorithm is shown to estimate overall system bandwidth and demonstrates pre-compensation gains ranging from 0.8 to 1.5 dB.

Reception of Burst Mode High-Order QAM Signals with Pilot-Aided Digital Signal Processing (M1C.5)
9:30 - 9:45     Contributed Submission
Presenter: Chen Zhu, Bell Laboratories, Nokia, United States
We present pilot-assisted burst mode DSP design for high-order QAM signals. Short preambles are used for frame, frequency synchronization and channel estimation. The proposed scheme is experimentally demonstrated to detect 16G-baud PDM 128/256/512-QAM bursts.

Digitally Enhanced DAC: Low-Resolution Digital Pre-Compensation for High Speed Optical Links (M1C.6)
9:45 - 10:00     Contributed Submission
Presenter: Yaron Yoffe, Ben Gurion University of the Negev, Israel
A novel algorithm is proposed to overcome bandwidth limitation using low resolution DACs. We demonstrate electrical back-to-back 32Gbaud QAM-64 over 11GHz and optical 32Gbaud QAM-4 over 5GHz using 4 bits and 2.6 bits DACs respectively.


Beyond 10G PON Evolution II (M2B)
Monday, 12 March, 10:30 - 12:30

What Applications Are Driving Higher Capacity In Access? (M2B.1)
10:30 - 11:00     Invited Submission
Presenter: Phil Miguelez, Comcast, United States
The growth of consumer high speed data has continued to expand at a rate of nearly 50% year over year. This paper explores the key drivers of this exceptional growth and the network changes being implemented to meet current and future capacity requirements.

56 Gbps IM/DD PON based on 10G-Class Optical Devices with 29 dB Loss Budget Enabled by Machine Learning (M2B.2)
11:00 - 11:15     Contributed Submission
Presenter: Peixuan Li, Shanghai Jiao Tong University, China
We demonstrate 56Gbps PAM4 PON transmission over 25km SSMF using 10G-class DML and APD with 6 GHz 3-dB bandwidth. 29 dB loss budget is achieved by a novel equalization technique based on convolutional neural network.

Experimental Demonstration of Unequally Spaced PAM-4 Signal to Improve Receiver Sensitivity for 50-Gbps PON with Power-Dependent Noise Distribution (M2B.3)
11:15 - 11:30     Contributed Submission
Presenter: Junwen Zhang, ZTE TX Inc, United States
For APD or SOA pre-amplified receivers with power-dependent non-uniform noise distributions, we demonstrate an enhanced PAM-4 modulation and detection scheme with unequally spaced signal levels, achieving improved receiver sensitivity for 50-b/s/λ PON.

50-Gb/s TDM-PON Based on 10G-Class Devices by Optics-simplified DSP (M2B.4)
11:30 - 11:45     Contributed Submission
Presenter: Lilin Yi, Shanghai Jiao Tong University, China
We demonstrate a 50-Gb/s PAM-4 TDM-PON over 25-km SSMF based on DML and
APD with 6-GHz 3-dB bandwidth in O-band. Dispersion-supported optical equalization is used to
reduce the complexity of FFE and Volterra algorithms.

Spectrum-efficient 50-Gbps Long-Range Optical Access over 85-km SSMF via DML Using Windowed OFDM Supporting Quasi-Gapless Asynchronous Multiband Transmission (M2B.5)
11:45 - 12:00     Contributed Submission
Presenter: Shuyi Shen, Georgia Institute of Technology, United States
This paper demonstrates a long-range optical access network using windowed OFDM, providing 50.22-Gbps data rate over 85-km SSMF transmission via DML. In multiband transmission, windowed OFDM has achieved 153% bandwidth gain with suppressed out-of-band leakage.

Demonstration of Simultaneous Multiple ONUs Activation in WDM-PON System for 5G Fronthaul (M2B.6)
12:00 - 12:15     Contributed Submission
Presenter: Kyosuke Sone, Fujitsu Limited, Japan
We successfully demonstrate simultaneous activation of multiple ONUs by the random waiting time function in upstream transmission of registration request and random function of sweep start wavelength of tunable filter at ONU in WDM-PON system.

Optimized Differential Detection-Based Optical Carrier Recovery for Intradyne PSK Receivers in udWDM-PON (M2B.7)
12:15 - 12:30     Contributed Submission
Presenter: Saeed Ghasemi, Universitat Politècnica de Catalunya (UPC), United States
We present an optical carrier recovery based on differential detection that reduces required DSP hardware resources. Results show -55dBm sensitivity for BER=10-3 and high tolerance against fast LO frequency dithering, with DPSK data at 1.25Gbps.


Optical Wireless - Signal Processing (M2K)
Monday, 12 March, 10:30 - 12:30

Non-linear Compensation of Multi-CAP VLC System Employing Pre-Distortion Base on Clustering of Machine Learning (M2K.1)
10:30 - 10:45     Contributed Submission
Presenter: Xingyu Lu, Fudan University, China
We proposed and experimentally demonstrated a pre-distortion scheme based on clustering algorithm of machine learning to mitigate nonlinear impairments for VLC system. BER degraded at least 50% over 5-band CAP16 transmission with pre-distortion.

Accurate Indoor Visible Light Positioning System utilizing Machine Learning Technique with Height Tolerance (M2K.2)
10:45 - 11:00     Contributed Submission
Presenter: Chin-Wei Hsu, National Chiao Tung University, Georgia Institute of Technology, Taiwan
An accurate, low-cost indoor visible light positioning system utilizing machine learning technique is proposed and experimentally demonstrated. The average position resolution of the system can achieve 3.65 cm with height tolerance range of 15 cm.

Experimental Demonstration of OQAM-OFDM based MIMO-NOMA over Visible Light Communications (M2K.3)
11:00 - 11:15     Contributed Submission
Presenter: Jin Shi, Hunan University, United States
We propose and experimentally demonstrate the first OQAM-OFDM based MIMO-NOMA for multi-user VLC. With the optimized power ratio, our scheme significantly outperforms conventional MIMO scheme, and an aggregate capacity of 3.2 Gbit/s can be achieved.

SNR-threshold based Adaptive Loading for PAM-Fast-OFDM over Optical Wireless Communications (M2K.4)
11:15 - 11:30     Contributed Submission
Presenter: Yang Hong, The Chinese University of Hong Kong, Hong Kong
We propose and experimentally demonstrate the first adaptively-loaded PAM-Fast-OFDM over OWC using a simple yet effective SNR-threshold based loading algorithm. Results show >4-dB sensitivity improvement, and a 5.2-Gbit/s transmission with ~44% capacity enhancement is achieved.

Demonstration of Reduced Complexity Multi-band CAP Modulation using Xia-Pulses in Visible Light Communications (M2K.5)
11:30 - 11:45     Contributed Submission
Presenter: Paul Haigh, University College London, United Kingdom
This work proposes and demonstrates, for the first time, a new method for CAP modulation in VLC based on full-Nyquist Xia pulses. By receiver modification, we demonstrate a signification reduction in computational complexity by >90%.

80 Gb/s Free-Space Reconfigurable Optical Interconnects with Carrierless-Amplitude-Phase Modulation and Space-Time Block Code (M2K.6)
11:45 - 12:00     Contributed Submission
Presenter: KE WANG, Royal Melbourne Institute of Technology, Nanjing University of Science and Technology, Australia
Carrierless-amplitude-phase modulated and space-time coded free-space reconfigurable optical interconnects with extended range and reduced inter-channel crosstalk are experimentally demonstrated. Results show that 80 Gb/s interconnect is achieved and the error-free distance is improved by about 65%.

Multichannel Analog and Digital Signal Transmission with Watt-Class Electrical Power Delivery by Means of Power-over-Fiber Using a Double-Clad Fiber (M2K.7)
12:00 - 12:15     Contributed Submission
Presenter: Daisuke Kamiyama, University of Electro-Communications, Japan
We have successfully achieved high transmission performance of multichannel analog and digital signals with over 7-Watt electrical power delivery by means of power-over-fiber using a double-clad fiber, for the first time.

Dynamic Tuning of Contention Window for Optical Wireless Networks (M2K.8)
12:15 - 12:30     Contributed Submission
Presenter: Sampath Edirisinghege, The University of Melbourne, Australia
We propose a novel contention window tuning algorithm for multi-gigabit optical wireless networks based on IEEE 802.11 standard that improves the enhanced distributed coordination function and meets the stringent requirements of optical wireless.


Coherent and DSP Technologies for PON (M3B)
Monday, 12 March, 14:00 - 16:00

Recent progress and outlook for coherent PON (M3B.1)
14:00 - 14:30     Invited Submission
Presenter: Domanic Lavery, University College London, United Kingdom
Coherent receivers offer high data rates and reach for optical access but, due to their complexity, have proved resistant to implementation. Here, recent research in low-complexity coherent PON is reviewed, and promising future research directions are identified.

Fast, Low-Complexity Widely-Linear Compensation for IQ Imbalance in Burst-Mode 100-Gb/s/λ Coherent TDM-PON (M3B.2)
14:30 - 14:45     Contributed Submission
Presenter: Ryosuke Matsumoto, Mitsubishi Electric, Japan
We propose fast, low-complexity widely-liner compensation for IQ imbalance in 100-Gb/s/λ coherent TDM-PON. The proposed method reduces the power penalty to 0.3 dB, achieving 32.4-dB loss budget for 100-Gb/s DP-QPSK bursts with an 826-ns overhead.

Demonstration of 10-Gb/s, 5-GHz Spaced Coherent UDWDM-PON with Digital Signal Processing in Real-Time (M3B.3)
14:45 - 15:00     Contributed Submission
Presenter: Ming Luo, Wuhan Research Institute of Posts and Telecommunications, China
This paper experimentally demonstrate the real-time field trial of 40×10-Gb/s coherent UDWDM-PON at 5-GHz spacing over 40-km field-installed fiber. The system stability is demonstrated by 8-hour real-time BER measurement with power budget of 29 dB.

Simultaneous DPSK-ASK Modulated Dual-EML Transmitter for Coherent UDWDM-PON (M3B.4)
15:00 - 15:15     Contributed Submission
Presenter: Juan Camilo Velásquez Micolta, Universitat Politécnica de Catalunya, Spain
An integrated dual-EML is modulated to obtain a simultaneous DPSK/ASK signal. Rx sensitivity of -40 dBm at BER=10-3 was achieved at 5Gb/s with simple heterodyne detection.

Wide Range Carrier Frequency Offset Estimation Method using Training Symbols with Asymmetric Constellations for Burst-Mode Coherent Reception (M3B.5)
15:15 - 15:30     Contributed Submission
Presenter: Masamichi Fujiwara, NTT Access Network Service Systems Labor, Japan
We propose a simple feed-forward carrier frequency offset estimation method robust against timing errors in the detection of training symbols. A wide compensation range of ±0.5 times the signal baud-rate is numerically and experimentally confirmed.

DSP for high-speed fiber-wireless convergence (M3B.6)
15:30 - 16:00     Invited Submission
Presenter: Huaiyu Zeng, Futurewei Technologies,
We review recent advances in the common public radio interfaces (CPRI/eCPRI) between remote radio units and baseband units via optical fiber, and discuss how DSP may be used to support both CPRI and eCPRI to achieve high bandwidth efficiency and low processing latency.


Optical Wireless - Technologies (M3K)
Monday, 12 March, 14:00 - 16:00

Power-efficient Noise-tolerant Techniques for Achieving High-sensitivity Optical Communications (M3K.1)
14:00 - 14:30     Invited Submission
Presenter: David Caplan, MIT Lincoln Lab, United States
We present efficient techniques for generating high-fidelity waveforms and robust methods of achieving nearly-ideal transmitter and receiver implementations. Compatibility with multiple modulation formats provides versatile and sensitive performance options suitable for fiber and free-space applications.

20 Gbit/s Tricolor R/G/B Laser Diode based Bi-directional Signal Remodulation Visible Light Communication System (M3K.2)
14:30 - 14:45     Contributed Submission
Presenter: Liang-Yu Wei, National Chiao Tung University, Taiwan
We demonstrate a bi-directional signal-remodulated visible-light-communication (VLC) system using tricolor R/G/B laser diodes to produce a 20.231-Gbit/s orthogonal-frequency-division-multiplexed (OFDM) downstream signal and 2-Mbit/s remodulated on-off-keying (OOK) upstream signal.

10.72Gb/s Visible Light Communication System Based On Single Packaged RGBYC LED Utilizing QAM-DMT Modulation With Hardware Pre-Equalization (M3K.3)
14:45 - 15:00     Contributed Submission
Presenter: Fumin Wang, Fudan University, China
In this paper, we experimentally demonstrated a 10.72Gb/s wavelengths multiplexing visible light communication system over 1-m indoor free space transmission using a single packaged RGBCY LED with hardware pre-equalization and post equalizer

Demonstration of Inter-Dimensional Adaptive Diversity Combining and Repetition Coding in Converged MMW/FSO Links for 5G and beyond Mobile Fronthaul (M3K.4)
15:00 - 15:15     Contributed Submission
Presenter: Feng Lu, Georgia Institute of Technology, United States
We firstly introduce inter-dimensional adaptive-diversity-combining-technique in fiber-wireless fronthaul. By adaptively combining symbols from millimeter-wave and free-space-optics links in time/frequency domain and applying repetition coding, we experimentally attained better tunability in power margins with improved reliability.

On CSI-free Linear Equalization for Optical Fast-OFDM over Visible Light Communications (M3K.5)
15:15 - 15:30     Contributed Submission
Presenter: Yingjie Shao, The Chinese University of Hong Kong, Hong Kong
Real-valued OCT precoding to achieve CSI-free linear equalization is proposed for fast-OFDM VLC. We show SNRs over subcarriers can be equalized to approximately the harmonic mean of original SNRs, and >35% capacity improvement is achieved.

Robust and Secure Indoor Optical Wireless Communications Supporting Multiple Users (M3K.6)
15:30 - 15:45     Contributed Submission
Presenter: Tian Liang, The University of Melbourne, Australia
We experimentally demonstrate a robust and secure multiple-access mechanism for indoor optical wireless communications using time-slot-coding and chaotic phase. Results show that it is secure against eavesdropper’s exhaustive searching accuracy as high as 1e-10 and is robust against 67% (4-QAM) and 23% (16-QAM) code misalignment.

High-speed two-dimensional photodetector array for 4-WDM 25-Gbaud FSO communication (M3K.7)
15:45 - 16:00     Contributed Submission
Presenter: Toshimasa Umezawa, National Inst of Information & Comm Tech, Japan
We present a newly developed 32-pixel high-speed 2D photodetector array operated at up to 39 Gbaud, and its application for WDM FSO communications. 4-WDM 25-Gbaud FSO parallel beams could be directly detected by the 2D-PDA.


Deployments of Optical Access and Front Haul (M4I)
Monday, 12 March, 14:30 - 16:30

Edge Compute and AT&T’s PON Deployment Vision (M4I.1)
16:30 - 17:30     Tutorial Submission
Presenter: Edward Walter, AT&T, United States
This tutorial talk will review the Open Mobile Edge Cloud (OMEC) as a unified design that encompass aspects of various initiatives’ already undertaken in academia/industry and Passive Optical Networks (PON) in support of consumer, business, and infrastructure deployments.

Experimental Demonstration of 100 Gb/s Optical Network Transport and Aggregation for Ethernet Fronthaul with Low and Bounded Delay (M4I.2)
17:30 - 17:45     Contributed Submission
Presenter: Raimena Veisllari, TransPacket, Norway
3-node integrated packet/circuit network experiment demonstrates 100Gb/s transport and aggregation of five 10Gb/s links with low and bounded delay. 3.4µs maximum end-to-end delay is achieved, even when combining with less delay-sensitive traffic, reaching 98% utilization.

Coordinating Multi-access Edge Computing with Mobile Fronthaul for Optimizing 5G End-to-End Latency (M4I.3)
17:45 - 18:00     Contributed Submission
Presenter: Wei Wang, Beijing Univ. of Posts and Telecomm., University of California, Davis, China
In 5G, latency-sensitive traffic might be processed directly at central-offices by Multi-access Edge Computing (MEC) right after being transported through Mobile Fronthaul (MFH). We investigate how to optimize end-to-end latency by coordinating MEC with MFH.

Scenarios and Economic Analysis of Fronthaul (M4I.4)
18:00 - 18:30     Invited Submission
Presenter: Andrea Di Giglio, Telecom Italia Lab,
Abstract not provided.


Data Center & PON Transponder Technology (Tu2B)
Tuesday, 13 March, 14:00 - 16:00

Revolutionizing the Data Centers and HPCs - Optical Interconnects (Tu2B.1)
14:00 - 14:30     Invited Submission
Presenter: Tolga Tekin, Fraunhofer IZM, Germany
Abstract not provided.

A Compact 212.5-Gbit/s Transmitter Optical Sub-Assembly with DMLs and Quad Linear Driver (Tu2B.2)
14:30 - 14:45     Contributed Submission
Presenter: Naoki Itabashi, Sumitomo Electric Industries, Ltd., Japan
We present a compact 212.5-Gbit/s transmitter optical sub-assembly equipped with directly modulated lasers and quad 53.125-Gbit/s linear driver. We demonstrate high-quality and high-output-power operation with low-power consumption (1.01 W), which is desirable for 200GBASE-LR4 application.

Low-Cost Hybrid-Integrated Micro-Intradyne Coherent Receiver Using FPCB wirings (Tu2B.3)
14:45 - 15:00     Contributed Submission
Presenter: Seo young Lee, ETRI, United States
We report on a low-cost hybrid-integrated Micro-ICR based on a silica DP-OH and InP WG-PDs. RF and DC FPCB wirings provide low-cost and good RF performance. A 3-dB bandwidth is measured to be ~36 GHz.

SOA for future PONs (Tu2B.4)
15:00 - 15:30     Invited Submission
Presenter: Rene Bonk, Nokia, Bell Labs, Germany
SOA applicability to provide up to 35 dB power budget for high-rate T(W)DM-PON is analyzed. Booster and pre-amplifier in PON-applications will have utmost importance in 50 Gbit/s/λ IM-DD and could also be applied in coherent access solutions.

25G Based PON Technology (Tu2B.5)
15:30 - 16:00     Invited Submission
Presenter: Ed Harstead, Nokia, United States
Commercial PONs have traditionally leveraged mature components from transport systems. Starting with 25G PON, the data center ecosystem will be leveraged. A strategy to accommodate higher loss budgets at lower cost is presented.


Short Reach I (Tu2C)
Tuesday, 13 March, 14:00 - 16:00

DSP-Free Coherent Receivers for Data Center Links (Tu2C.1)
14:00 - 14:30     Invited Submission
Presenter: Jose Paulo Krause Perin, Stanford University, United States
We review low-power DSP-free coherent receiver architectures for DP-QPSK that exhibit performance comparable to their DSP-based counterparts, while consuming an estimated ∼4 W for 200 Gbit/s DP-QPSK in 90-nm CMOS.

Investigation on the Dispersion Tolerance in Dual-drive MZM-based DAC-less Optical PAM4 Transmission (Tu2C.2)
14:30 - 14:45     Contributed Submission
Presenter: Kuo Zhang, Shanghai Jiao Tong University, McGill University, China
We investigate the chirp characteristics of the two PAM4 generation methods based on dual-drive MZM. Prominent difference in transmission performance between the two methods is experimentally shown for 112Gb/s PAM4 signals when chromatic dispersion exists.

Dispersion-Uncompensated Transmission of NRZ and PAM-4 Single-Sideband Signals using D-EML (Tu2C.3)
14:45 - 15:00     Contributed Submission
Presenter: Christophe Peucheret, FOTON Laboratory, France
The generation of optical SSB signals using a D-EML is demonstrated for NRZ and PAM-4 modulations. Transmission at 10.7Gb/s of NRZ signals over 100-km SSMF and at 21.4Gb/s of PAM-4 signals over 50km is reported.

A 50Gb/s-PAM4 CDR with On-Chip Eye Opening Monitor for Reference-Level and Clock-Sampling Adaptation (Tu2C.4)
15:00 - 15:15     Contributed Submission
Presenter: Bozhi Yin, Fudan University,
A 50Gb/s-PAM4 Clock/Data Recovery (CDR) transceiver is designed in a 40nm-CMOS process. An on-chip Eye Opening Monitor (EOM) is introduced that enables adaptive reference level and timing sampling placement for non-uniform and distorted PAM4-inputs.

Single-λ 112Gbit/s 80-km Transmission of PAM4 Signal with Optical Signal-to-Signal Beat Noise Cancellation (Tu2C.5)
15:15 - 15:30     Contributed Submission
Presenter: An Li, Futurewei Technologies, Inc., United States
We present a novel scheme of PAM4 with optical signal-to-signal beat noise cancellation for short reach applications. The required OSNR at FEC threshold is only 27.3 dB for a single-λ 112-Gb/s signal after 80km transmission.

Real-Time Demonstration of Polarization-Multiplexed PAM using Compact Silicon Photonics Device (Tu2C.6)
15:30 - 15:45     Contributed Submission
Presenter: Roberto Gaudino, Politecnico di Torino, Italy
We experimentally demonstrate doubling capacity per wavelength using polarization-multiplexed PAM and direct-detection polarization recovery using a compact silicon photonic integrated device. Moreover, we present fundamental theoretical curves for PM-PAM performance.

Single-Channel 480-Gb/s Direct Detection of POL-MUX IQ Signal Using Single-Sideband Stokes Vector Receiver (Tu2C.7)
15:45 - 16:00     Contributed Submission
Presenter: Di Che, University of Melbourne, Australia
We propose the single-sideband Stokes vector receiver to demultiplex a 4-D signal that fundamentally solves the carrier fading of POL-MUX direct detection, verified by a POL-MUX 60-Gbaud 16-QAM transmission over 80-km SSMF with digital dispersion post-compensation.


Content Distribution and Edge Computing (Tu2G)
Tuesday, 13 March, 14:00 - 16:00

Content Distribution Networks and Their Impact on Optical Networks (Tu2G.1)
14:00 - 15:00     Tutorial Submission
Presenter: Jeffrey Bower, Akamai Technology, Inc., United States
Low latency optical network design often focuses on reducing the route distance between points A and B. The introduction of Content Distribution Networking into this design can change the focus to moving as much content as possible close to the content consumer.

Demonstration of SDN Application for Multilayer Video Contribution Network Service (Tu2G.2)
15:00 - 15:15     Contributed Submission
Presenter: Konstantinos Antoniou, University of Bristol, United Kingdom
This paper describes a demonstration of an end-to-end, SDN-controlled Video Contribution Network providing dynamic service set-up, using optical switching to enable flexible provisioning of resources. We show seamless operation of legacy and future technologies.

Real-time Investigation of Transmission Latency of Standard 4K and Virtual-Reality Videos over a Commercial PON Testbed (Tu2G.3)
15:15 - 15:30     Contributed Submission
Presenter: Jun Shan Wey, ZTE TX - NJ, United States
Video applications are key drivers for future PON systems; however, it is unclear how network latency impacts video performance. This paper reports experimental results and show that G-PON can support IPTV/OTT services for standard and virtual-reality 4K videos.

How far can optical access networks support in Multi-access Edge Computing for low delay ? (Tu2G.4)
15:30 - 15:45     Contributed Submission
Presenter: Junli Xue, Beijing University of Posts and Telecommunications, China
This paper proposes an optical access network scheme to support multi-access edge computing. Experiments in the testbed demonstrate that the round-trip time of optical access networks with 60km fiber and 5hops is below 1ms.

Dynamic Routing of Y-00 Quantum Stream Cipher in Field-Deployed Dynamic Optical Path Network (Tu2G.5)
15:45 - 16:00     Contributed Submission
Presenter: Fumio Futami, Tamagawa University, Japan
Secure GbE communication by Y-00 protocol using noise masking for inter-datacenter connections is demonstrated in a dynamic optical path network testbed in Tokyo. We achieve dynamic path change with key re-synchronization between Y-00 cipher transceivers.


Low Latency Services & xHaul over PON (Tu2K)
Tuesday, 13 March, 14:00 - 16:00

Mobile Xhaul Evolution: Enabling Tools for a Flexible 5G Xhaul Network (Tu2K.1)
14:00 - 15:00     Tutorial Submission
Presenter: Yuki Yoshida, NICT, Japan
Optical platform needs to be more flexible, time-critical, yet reliable to accommodate 5G+ RAN. In this talk, major developments on mobile Xhaul in both wireless and optical fields in 2017 will be summarized, and key enabling technologies for the Xhaul in 5G Phase II will be discussed.

A Novel Data-Compression Technology for Digital Mobile Fronthaul with Lloyd Algorithm and Differential Coding (Tu2K.2)
15:00 - 15:15     Contributed Submission
Presenter: Mu Xu, Georgia Institute of Technology, CableLabs, United States
A data-compression technology with differential-coded Lloyd algorithm is envisioned to improve bandwidth efficiencies in digital-mobile-fronthaul networks. We experimentally demonstrated transmissions of 180 Gbps over 80-km fronthaul links encapsulating 64×100-MHz 1024-QAM 5G-NR carriers with lower-than-0.5% EVM.

First Demonstration of an Ultra-Low-Latency Fronthaul Transport Over a Commercial TDM-PON Platform (Tu2K.3)
15:15 - 15:30     Contributed Submission
Presenter: Sarvesh Bidkar, Nokia Bell Labs, Germany
We demonstrate for the first time, feasibility of latency-critical mobile fronthaul (CPRI) transport over a 6 km PON infrastructure with co-existing residential broadband traffic using a standards-compliant commercial TDM-PON platform with a sub-200 µs round trip delay.

Low Latency Networks: Future Service Level Use Cases and Requirements (Tu2K.4)
15:30 - 16:00     Invited Submission
Presenter: Michael Freiberger, Verizon Communications Inc, United States
The Tactile Internet with mobile and machine-to-machine (M2M) applications, along with long-standing financial and storage applications, are driving optical services to provide higher bandwidth, higher availability, and increasingly lower latency.


Coding and Modulation (Tu3C)
Tuesday, 13 March, 16:30 - 18:15

Rate-Adaptive LDPC Convolutional Coding with Joint Layered Scheduling and Shortening Design (Tu3C.1)
16:30 - 16:45     Contributed Submission
Presenter: Toshiaki Koike-Akino, Mitsubishi Electric Research Labs, United States
We propose a joint design method of layered scheduling, shortening and puncturing for LDPC convolutional codes to be scalable across a variety of overhead ranges. Our method achieves greater than 0.4 dB gain over conventional methods.

Multilevel Coding with Spatially-Coupled Codes for beyond 400Gbps Optical Transmission (Tu3C.2)
16:45 - 17:00     Contributed Submission
Presenter: Yohei Koganei, Fujitsu Laboratories Ltd., Japan
We propose a multilevel coding technique inheriting the performance of spatially-coupled codes. Net coding gains of 12.5, 13.2 and 13.7dB are expected for 16, 64 and 256QAM with low implementation complexity.

Coded Modulation for Next-Generation Optical Communications (Tu3C.3)
17:00 - 17:30     Invited Submission
Presenter: David Millar, Mitsubishi Electric Research Labs, United States
We review coded modulation for next-generation coherent optical communications systems. Geometric constellation shaping is discussed in detail, along with strategies to maintain complexity at levels comparable to a conventional square quadrature amplitude modulation (QAM) with bit-interleaved coded modulation (BICM) architecture.

An Iterative Soft Interference Cancellation for Pilot-Assisted Optical-OFDM with LDPC Code Optimized by EXIT Chart (Tu3C.4)
17:30 - 17:45     Contributed Submission
Presenter: Noboru Osawa, Osaka University, Japan
This paper proposes an iterative soft interference canceller with the assistance of LDPC code for mitigating beat interference in a pilot-assisted optical-OFDM. The LDPC code is analytically optimized by EXIT chart based on Turbo principle.

Irregular Polar Turbo Product Coding for High-Throughput Optical Interface (Tu3C.5)
17:45 - 18:00     Contributed Submission
Presenter: Toshiaki Koike-Akino, Mitsubishi Electric Research Labs, United States
We propose polar turbo product code (TPC) to enable parallel/pipeline decoding, for high-throughput transmission. With irregular polar codes, the computational complexity and latency can be significantly reduced, yet outperforming BCH-constituent TPC by 0.5dB.

Energy-Efficient High-Throughput Staircase Decoders (Tu3C.6)
18:00 - 18:15     Contributed Submission
Presenter: Christoffer Fougstedt, Chalmers University of Technology, Sweden
We introduce staircase decoder implementations achieving up to 1-Tb/s throughput with energy dissipation of 1.2 pJ/information bit. The implementations are estimated to achieve >10.5 dB of net coding gain depending on the configuration.


High Capacity Transmission Systems (W1B)
Wednesday, 14 March, 8:00 - 10:00

Advances in 400 GbE Field Trials (W1B.1)
8:00 - 8:30     Invited Submission
Presenter: Lynn Nelson, AT&T Labs, United States
We review two recent 400G field trials in AT&T’s network. We demonstrated 400Gb/s Ethernet end-to-end circuits, with CFP8 client interfaces and dual-wavelength 16QAM or single-wavelength 32QAM lineside, and SDN-controlled creation, deletion, and re-routing of 400G services.

Comparison of WDM Bandwidth Loading Using Individual Transponders, Shaped, and Flat ASE Noise (W1B.2)
8:30 - 8:45     Contributed Submission
Presenter: Thomas Richter, ADVA Optical Networking North America Inc., United States
Channel emulation is compared for 100-Gb/s PDM-QPSK from commercial transponders with channel-like spectrally carved noise and flat noise bands. The performance is evaluated in experiments and simulations on standard SMF and TW-RS DWDM transmission links.

DSP-Enabled Frequency Locking for Near-Nyquist Spectral Efficiency Superchannels utilizing Integrated Photonics (W1B.3)
8:45 - 9:00     Contributed Submission
Presenter: Jefferey Rahn, Infinera Corporation, United States

Digitally synthesized near-Nyquist subcarriers and photonic integration are shown to improve spectral efficiency. Spectral utilization 3.3% over baud rate is enabled by 1% Root-Raised-Cosine shaping and precision adjacent-channel wavelocking σ <100 MHz.

The Trade-Off between Tranceiver Capacity and Symbol Rate (W1B.4)
9:00 - 9:15     Contributed Submission
Presenter: Lidia Galdino, University College London, United Kingdom
The achievable throughput using high symbol rate, high order QAM is investigated for a CMOS-based DAC/ADC. The optimum symbol rate and modulation format is found to be 80GBd DP-256QAM, with a 800Gb/s net data rate.

31.2-Tb/s real time bidirectional transmission of 78x400 Gb/s interleaved channels over C band of one 90-km SMF span (W1B.5)
9:15 - 9:30     Contributed Submission
Presenter: Thierry Zami, Nokia Corporation, France
We transmit 78x400Gb/s PDM-64QAM 50GHz-spaced channels over one 90-km SSMF span with real time transponder, transporting 31.2 Tb/s with 8 bit/s/Hz spectral efficiency

High-capacity SDM transmission over transoceanic distances (W1B.6)
9:30 - 10:00     Invited Submission
Presenter: Alexey Turukhin, TE SubCom, United States
We review recent experimental and theoretical works that discuss capacity and power efficiency improvements achievable in transoceanic transmission with SDM. We outline challenges and potential solutions for increasing the capacity of future SDM undersea transmission.


Short Reach II (W1J)
Wednesday, 14 March, 8:00 - 10:00

112Gb/s Self-Heterodyne Stokes Vector Detection with Compact Receiver for Short Reach Optical Communications (W1J.1)
8:00 - 8:15     Contributed Submission
Presenter: An Li, Futurewei Technologies, Inc., United States
We propose a novel self-heterodyne Stokes vector detection (SH-SVD) system with only two balanced photodiodes and two analog-to-digital converters at receiver. A single-λ 112-Gb/s 16QAM signal was successfully received after 80km transmission.

Application of Tomlinson-Harashima Precoding (THP) for Short-Reach Band-Limited Nyquist PAM and Faster-Than-Nyquist PAM Signaling (W1J.2)
8:15 - 8:30     Contributed Submission
Presenter: Nobuhiko Kikuchi, Hitachi Ltd, Japan
We experimentally prove the effectiveness of Tomlinson-Harashima Precoding for IM/DD Nyquist PAM signals with severe transmitter-side bandwidth limitation despite the increase of optical signal levels, and its application to 50-GBaud Faster-Than-Nyquist PAM4 is also demonstrated.

Performance Enhanced IM/DD 112 Gb/s/λ Transmission Using Constellation Switching PAM4 (W1J.3)
8:30 - 8:45     Contributed Submission
Presenter: MENG XIANG, McGill University, Canada
We experimentally demonstrate a single wavelength 112 Gb/s IM/DD transmission system using constellation switching PAM4. Significant improvement is observed with respect to the conventional PAM4 system at the KP4 FEC threshold.

Single Photodiode-per-Polarization Receiver for 400G Systems (W1J.4)
8:45 - 9:00     Contributed Submission
Presenter: Bill Corcoran, Monash University, Centre for Ultrahigh-bandwidth Devices for Optical Systems, Australia
We present a simplified heterodyne receiver using one single ended photodiode per polarization for polarization multiplexed coherent signals. We demonstrate this receiver for the reception of PM-16QAM over field-installed metro-area fibers at distances up to 306-km.

112 Gb/s/λ CAP Signals Transmission over 480 km in IM-DD System (W1J.5)
9:00 - 9:15     Contributed Submission
Presenter: Jianyang Shi, Fudan, ZTE, China
We demonstrate a 112 Gbit/s/λ CAP over 480 km of SSMF with low-cost direct detection. A joint processing algorithm is employed to improve system performance. To the best of our knowledge, this is the first time that single-wavelength 100G signal transmission is experimentally achieved over 480 km of SSMF with CAP-16 and direct detection.

448-Gb/s PAM4 Transmission Over 300-km SMF-28 Without Dispersion Compensation Fiber (W1J.6)
9:15 - 9:30     Contributed Submission
Presenter: Zhixin Liu, University College London, United Kingdom
We report on 4×112Gb/s direct-detection PAM4 transmission over 300-km standard single mode fiber. Chromatic dispersion is digitally compensated at the transmitter side.

4×100G PAM-4 Transmission in Faster-than-Nyquist Systems Incorporating Eigenvalue-Space Precoding (W1J.7)
9:30 - 9:45     Contributed Submission
Presenter: Mu Xu, Georgia Institute of Technology, CableLabs, United States
An eigenvalue-space precoding is proposed to combat narrow-filtering effect in optical PAM-4 systems. Transmissions at 24, 60, and 120Gbps/wavelength with 6-dB bandwidths of 4, 7.5, and 17.5 GHz are experimentally demonstrated over up-to-30-km SSMF.

Low Complexity Frequency-Domain Nonlinear Equalization for 40-Gb/s/wavelength Long-Reach PON (W1J.8)
9:45 - 10:00     Contributed Submission
Presenter: Junwei Zhang, Sun Yat-Sen University, China
We propose to use a frequency-domain nonlinear equalization (FD-NE) for long-reach PONs. Compared with time-domain NE, similar performance with 63% complexity reduction is achieved utilizing FD-NE in a 40.08-Gbit/s OFDM-IM-DD transmission system over 60-km SSMF.


Devices for Interconnects (W1I)
Wednesday, 14 March, 8:00 - 10:00

Silicon Photonics for 56G NRZ Optical Interconnects (W1I.1)
8:00 - 8:30     Invited Submission
Presenter: Joris Van Campenhout, imec, Belgium
We discuss recent progress in the performance of modulators and photodetectors co-integrated in a silicon photonics platform, and capable of operation in the O-band or C-band at 56Gb/s single-lane NRZ data rates and beyond.

Error-Free Loopback of a Compact 25 Gb/s x 4 ch WDM Transceiver Assembly Incorporating Silicon (De)Multiplexers with Automated Phase-Error Correction (W1I.2)
8:30 - 8:45     Contributed Submission
Presenter: Tomoyuki Akiyama, PETRA, Fujitsu Laboratories Ltd., Japan
We propose (de)multiplexers based on tunable cascaded asymmetric Mach-Zehnder interferometers to exclude necessity of highly-scaled expensive Si process by fully-automated fabrication error correction, and demonstrate an error-free loopback with a 12x12 mm transceiver assembly.

A single-laser flexible-grid WDM silicon photonic transmitter using microring modulators (W1I.3)
8:45 - 9:00     Contributed Submission
Presenter: Wei Shi, Université Laval, Canada
We report a flexible-grid WDM silicon photonic transmitter by monolithic integration of a microring modulator based comb generator with multi-channel modulators. It shows simultaneous multi-channel data transmission at different channel spacings without significant signal degradation

Monolithic Optical Transceivers in 65 nm Bulk CMOS (W1I.4)
9:00 - 9:15     Contributed Submission
Presenter: Amir Atabaki, Massachusetts Institute of Technology, United States
We present the integration of optical passive and active components next to millions of nano-scale bulk silicon transistors through a single deposited layer of polysilicon on silicon oxide islands. We demonstrate 10 Gb/s monolithic O-band optical transceivers on this platform.

Zn-Diffusion/Oxide-Relief 940 nm VCSELs with Excellent High-Temperature Performance for 50 Gbit/sec Transmission (W1I.5)
9:15 - 9:30     Contributed Submission
Presenter: Jin-Wei Shi, National Central University, Taiwan
940nm VCSELs with small resistances (3) and ultra-wide E-O bandwidths from room-temperature (31GHz) to 85oC (29GHz) operations are demonstrated. It achieves 50Gbps error-free transmission over 50m OM5 fiber without using equalization and pre-emphasis techniques.

85°C Operation of 850 nm VCSELs Deliver a 42 Gb/s Error-Free Data Transmission for 100 meter MMF Link (W1I.6)
9:30 - 9:45     Contributed Submission
Presenter: Hsiao-Lun Wang, Micro and Nanotechnology Laboratory, United States
850nm VCSELs record performance of 46Gb/s (RT), 43Gb/s (75°C) and 42Gb/s (85°C) error-free transmission for a 100 meter MMF link are reported without the use of equalizer or forward error correction.

High-Speed High-Efficiency Broadband Silicon Photodiodes for Short-Reach Optical Interconnects in Data Centers (W1I.7)
9:45 - 10:00     Contributed Submission
Presenter: SOROUSH GHANDIPARSI, University of California, Davis, United States
We demonstrate a silicon-based surface-illuminated CMOS-compatible broadband photodiode with ≤30ps FWHM and above 55% EQE at 850nm for up to 50Gb/s by using photon-trapping micro/nano-structures. This is the fastest reported response for a Silicon photodiode.


Optical Switching in Data Centers (W1C)
Wednesday, 14 March, 8:15 - 10:00

dReDBox: Demonstrating Disaggregated Memory in an Optical Data Centre (W1C.1)
8:15 - 8:30     Contributed Submission
Presenter: Arsalan Saljoghei, University College London, United Kingdom
This paper showcases the first experimental demonstration of disaggregated memory using the dRedBox optical Data Centre architecture. Experimental results demonstrate the 4-tier network scalability and performance of the system at the physical and application layer.

Disaggregated Optical Data Center in a Box Network using Parallel OCS Topologies (W1C.2)
8:30 - 8:45     Contributed Submission
Presenter: Hui Yuan, University College London, United Kingdom
Two parallel OCS topologies are proposed that deliver 95 nsec round-trip latency on disaggregated optical data center in a box system. They offer 40% cost and 68% power consumption efficiency at maximum IT resource utilization.

Bridging the Last Mile for Optical Switching in Data Centers (W1C.3)
8:45 - 9:15     Invited Submission
Presenter: Paolo Costa, Microsoft Research, United Kingdom
Optical switches promise to revolutionize data centers by providing high bandwidth and low latency at low cost. This paper discusses some of the remaining challenges that need to be solved to make this technology successfully deployed in production.

Decision Tree Classification based Mix-flows scheduling in Optical Switched DCNs (W1C.4)
9:15 - 9:30     Contributed Submission
Presenter: Cen Wang, BUPT, KDDI Research Lab, China
We propose a novel mix-flows scheduling strategy assisted with decision tree based flow classification for optical switched DCNs. Experimental results show it can effectively lower the completion time of small interactive flows and Coflows.

An Overview of the Open Compute Project and Next-Generation Data Centers (W1C.5)
9:30 - 10:00     Invited Submission
Presenter: Omar Baldonado, Facebook Inc., United States
This talk covers the Open Compute Project (OCP), a collaborative community focused on redesigning hardware technology to efficiently support the growing demands on compute infrastructure. This is especially relevant for optics in next-generation data centers.


Deployable Transport Networks (W4A)
Wednesday, 14 March, 16:30 - 18:30

Benefits of Performance Awareness in Coherent Dynamic Optical Networks (W4A.1)
16:30 - 17:00     Invited Submission
Presenter: Juraj Slovak, Coriant R&D,
Awareness of optical network performance and its accurate prediction enables squeezing of margins allocated for stable operation. We discuss potential of online performance assessment by leveraging functionalities of bandwidth variable transponders in flexible optical networks.

Extension of SDN networks to the Satellite Domain; Integration of a SDN enabled WAN network, with terrestrial and submarine elements, with command and control of multiple satellite constellations (W4A.2)
17:00 - 17:30     Invited Submission
Presenter: Robert Kimball, Ciena Corporation, United States
Dynamic software controlled terrestrial fiber networks combined with an agile satellite communications (SATCOM) service management system increases system resiliency; bringing resources into the operational environment. This includes failover of critical communications paths over different technologies.

Capacity Enhancement in Optical Networks using Margin Extraction (W4A.3)
17:30 - 17:45     Contributed Submission
Presenter: Mohammad Sheikh Zefreh, Ciena, Canada
In this paper, the value of margin extraction in optical networks is investigated. Simulation results for a sample network show that up to 64% of multi-rate transponders can run with higher rates using extracted margins.

Demonstration of Automatic Connection Pair Discovery and Path Setting in Filter-less Point-to-Point WDM Systems (W4A.4)
17:45 - 18:00     Contributed Submission
Presenter: Yutaka Takita, Fujitsu Labs. Ltd., Japan
We propose the filter-less point-to-point WDM system with IP-layer driven automatic optical connection pair discovery and path setting function. We confirmed its basic operation in a 100km span 32-lambdas WDM system with enhanced transponders.

How Much Is CD ROADM Contention Blocking? (W4A.5)
18:00 - 18:15     Contributed Submission
Presenter: Guangzhi Li, Futurewei Technology Inc., United States
This paper models CD ROADM network contention blocking and shows that the contention blocking impact is marginal when CD ROADM add/drop port usage is less than 75%. Numerical results verify the effectiveness.

Influence of the maturity of technology on the benefit of 75 GHz-spaced 64 GBaud channels in WDM elastic networks (W4A.6)
18:15 - 18:30     Contributed Submission
Presenter: Thierry Zami, Nokia Corporation, France
We quantify how the benefit of 75 GHz-spaced 64 GBaud channels in WDM core networks depends on both the associated elastic modulation set and the maturity of transponder implementation correlated to the WDM transmission reaches.


Advanced Technologies for High Speed PON (W4G)
Wednesday, 14 March, 16:30 - 18:30

High-Order Polarization Overlay for Future Optical Access (W4G.1)
16:30 - 16:45     Contributed Submission
Presenter: Bernhard Schrenk, AIT Austrian Institute of Technology, Austria
We demonstrate non-orthogonal Stokes vector modulation at 4 bits/symbol while retaining direct photodetection. 20Gb/s transmission is obtained over a loss budget of 22dB. Pilot-assisted receiver training mitigates the polarization transform along 40km of field-deployed fiber.

Bandwidth Enhancement for an Optical Access Link by using a Frequency Interleaved DAC (W4G.2)
16:30 - 16:45     Contributed Submission
Presenter: Christian Schmidt, Fraunhofer HHI, Technical University of Berlin, Germany
We present the experimental realization of the frequency interleaved DAC concept for an IM/DD based access link. The first open 80 GBd PAM-4 electrical eye diagram of the frequency-interleaved DAC without using post-equalization is presented.

Bandwidth Extension Techniques for High-Speed Access Networks (W4G.3)
17:00 - 17:30     Invited Submission
Presenter: Christoph Kottke, Fraunhofer Heinrich Hertz Institute, Technische Universität Berlin,
Recent advances in bandwidth extension techniques for high-speed access environments are presented together with own transmission experiments. Current issues and critical aspects are highlighted.

60-km Transmission of 28-Gb/s QPSK Upstream Signal in RSOA-based WDM PON Using SBS Suppression Technique (W4G.4)
17:30 - 17:45     Contributed Submission
Presenter: Daeho Kim, KAIST, United States
We experimentally demonstrate the 60-km transmission of 28-Gb/s QPSK signal in RSOA-based coherent WDM-PON. The frequency dithering of seed laser and fast carrier-phase estimator are employed to suppress SBS and track the laser’s phase, respectively.

Novel DDM-OFDM-PON with Hybrid Sub-Nyquist Sampling Rates Featuring Heterogeneous ONUs with Different Capacities (W4G.5)
17:45 - 18:00     Contributed Submission
Presenter: Min Yu, National Sun Yat-sen University, Taiwan
We propose a delay-division-multiplexing-OFDM-PON (DDM-OFDM-PON) with hybrid sub-Nyquist sampling rates, wherein heterogeneous ONUs can request different capacities. 26-dB loss budget in 25-km 25-Gbps DDM-OFDM-PON was achieved using hybrid sampling at (1/32,1/16,1/8) or (1/32,1/8,1/2) Nyquist rates.

Improved Performance of high-order QAM OFDM Based on Probabilistically Shaping in the Datacom (W4G.6)
18:00 - 18:15     Contributed Submission
Presenter: Jianyang Shi, Fudan, ZTE, China
We experimentally demonstrated a PS-256-QAM OFDM fiber transmission in a low-cost IM-DD system. Compared with uniform 128-QAM, the proposed PS-256-QAM obtains the same entropy of 7 bits/QAM symbol, but higher achievable-information-rate performance and stronger nonlinearity robustness.

Realization of Tunable Frequency Response in Polarization Modulation and Direct Detection Scheme for High-speed Optical Access System (W4G.7)
18:15 - 18:30     Contributed Submission
Presenter: Siming Liu, Beijing Univ. of Posts and Telecom, Georgia Institute of Technology,
We are the first to transmit 80-Gbps 16QAM signals through a single mode fiber in a polarization-modulation-direct-detection (PolM-DD) system. The PolM-DD system has a tunable frequency response and can overcome the chromatic-induced power fading effect.


Advances in Coherent Design and Measurement (Th1A)
Thursday, 15 March, 8:00 - 10:00

Novel OSNR Measurement Techniques for Coherent-Detection Systems (Th1A.1)
8:00 - 8:30     Invited Submission
Presenter: Daniel Gariepy, EXFO, Canada
We discuss in-service OSNR measurement options independent of coherent receiver metrics. We review a spectral analysis technique for discriminating ASE when fiber nonlinearities contribute “Gaussian-like” noise and evaluate its performance in practical network scenarios.

OSNR Measurement Comparison in Systems with ROADM Filtering for Flexible Grid Networks (Th1A.2)
8:30 - 8:45     Contributed Submission
Presenter: Jie Pan, ADVA Optical Networking, United States
OSNR measurement methods are compared for a ROADM-enabled flexible grid system with different noise loading scenarios using both experiment and simulation. The impact of the noise loading location on the filtering penalty is also investigated.

Real-time 10Gbps Polarization Independent Quasicoherent Receiver for NG-PON2 Access Networks (Th1A.3)
8:45 - 9:00     Contributed Submission
Presenter: Jose A. Altabas, Universidad de Zaragoza, Spain
A real-time 10Gbps polarization independent quasicoherent receiver for NG-PON2 access networks is proposed and experimentally validated. The sensitivity of this receiver is -33dBm and making feasible a 35dB power budget (required for E2 class).

World’s First TO-can Coherent Transceiver (Th1A.4)
8:45 - 9:00     Contributed Submission
Presenter: Bernhard Schrenk, AIT Austrian Institute of Technology, Austria
We fit both, coherent homodyne receiver and transmitter, in a transistor-outline package with single fiber/RF port. Full-duplex 2.5Gb/s transmission over 27.5km reach, 28dB loss budget and coherent Ethernet connectivity are demonstrated without optical-layer DSP functions.

Coherent Analog Low Power, Small Size 400/200/100Gb/s Receiver Based on Bipolar SiGe Technology (Th1A.5)
9:15 - 9:30     Contributed Submission
Presenter: Edem Ibragimov, Greensand Networks, United States
We demonstrate first to our knowledge analog coherent engine (ACE). Simulations show power consumption under 2W for 400Gb/s ACE. Combination of ACE with CMOS direct detection unit is good candidate for short reach communications.

Power Efficient DSP and Optical Integration (Th1A.6)
9:30 - 10:00     Invited Submission
Presenter: Timo Pfau, Acacia Communications, Inc., United States
We review the technical innovations in ASIC technology, DSP, and photonic integration over the past years that enabled to reduce the footprint and power/Gbit/s of coherent modules by a factor of 10.


Components for Future PON (Th1E)
Thursday, 15 March, 8:00 - 10:00

Components for High Speed 5G Access (Th1E.1)
8:00 - 8:30     Invited Submission
Presenter: helene debregeas, III-V Lab,
Emerging access networks require specific components. We present a counter-heating method for wavelength stabilization in NG-PON2 TWDM-PON systems, and a +6dBm-high-power externally modulated laser at 10Gb/s and 28Gb/s for XGS-PON or 25G-EPON systems.

Beyond 25 Gb/s Directly-Modulated Widely Tunable VCSEL for Next Generation Access Network (Th1E.2)
8:30 - 8:45     Contributed Submission
Presenter: Alberto Gatto, Politecnico di Milano - DEIB, Italy
We demonstrate capacities beyond 25Gb/s up to 40 km in the whole C-band range without any dispersion compensation by DMT direct modulation and direct detection exploiting widely tuneable MEMS-VCSELs for future low-cost high-capacity access networks.

10Gb/s Low-Cost Directly Modulated Multi-Electrode Laser with Suppressed Thermal Wavelength Drift for Burst-Mode Upstream Transmission in TWDM-PONs (Th1E.3)
8:45 - 9:00     Contributed Submission
Presenter: Stefano Porto, Bell Labs, Nokia, Tyndall National Institute, University College Cork, Ireland
We report on a novel 10Gb/s low-cost multi-electrode DML employed as a very wavelength stable burst-mode source for upstream TWDM-PONs. 10X wavelength drift reduction is achieved compared to conventional DMLs enabling transmission on 100GHz grid.

Photonic Integrated Circuits for NGPON2 Tunable ONUs (Th1E.4)
9:00 - 10:00     Tutorial Submission
Presenter: John O'Carroll, Eblana Photonics, Ltd., Ireland
In comparison to current single wavelength standards tunable NGPON2 transceivers will be more complex. This tutorial reviews photonic integration technologies that could meet this challenge and the potential to leverage technologies developed for other applications.


High Capacity Subsystems (Th1F)
Thursday, 15 March, 8:00 - 10:00

Entropy Loading for Band-Limited Meshed-Optical-Networks: The Multicarrier Advantage (Th1F.1)
8:00 - 8:30     Invited Submission
Presenter: Di Che, University of Melbourne , Australia
Modern meshed optical networks deploy plentiful cascaded-ROADMs to enhance the network flexibility, which induce severe filter narrowing effect. We reveal the linear advantage of multicarrier by the optimum power allocation and capacity-approaching modulation.

4096 QAM (72 Gbit/s) Single-Carrier Coherent Optical Transmission with a Potential SE of 15.8 bit/s/Hz in All-Raman Amplified 160 km Fiber Link (Th1F.2)
8:30 - 8:45     Contributed Submission
Presenter: Masaki Terayama, Tohoku University, Japan
We have successfully achieved a 4096 QAM (72 Gbit/s) - 160 km transmission with a potential spectral efficiency of 15.8 bit/s/Hz by employing precise digital polarization demultiplexing and an all-Raman amplified 160 km fiber link.

Achievement of 90-Gbaud PAM-4 with MLSE Based on 2nd Order Volterra Filter and 2.88-Tb/s O-band Transmission Using 4-λ LAN-WDM and 4-Core Fiber SDM (Th1F.3)
8:45 - 9:00     Contributed Submission
Presenter: Akira Masuda, NTT, Japan
We achieve 180-Gb/s PAM-4 transmission under 32-GHz bandwidth limitation applying MLSE based on 3-memory T-spaced 2nd order Volterra filter. We experimentally demonstrate 2.88-Tb/s O-band transmission using 4-λ LAN-WDM and SDM over 2-km 4-core fiber.

Scaling Optical Networking Technologies for Next Generation SDM Systems (Th1F.4)
9:00 - 10:00     Tutorial Submission
Presenter: Peter Winzer, Nokia Bell Labs, United States
Based on the need to scale optical networks beyond WDM, we discuss the techno-economics of parallel spatial paths (SDM) and highlight integration options across all network elements to continue historic cost/bit and energy/bit reductions.


Photonic Networks for Data Centers (Th1G)
Thursday, 15 March, 8:15 - 10:00

Microsecond Optical Switching Network of Processor SoCs with Optical I/O (Th1G.1)
8:15 - 8:30     Contributed Submission
Presenter: Sajjad Moazeni, UC Berkeley, United States
We demonstrate an OCS network with microsecond switching time between processors featuring monolithic ring-resonator-based WDM-compatible optical I/Os. This solution can solve EPS scalability challenge and enable novel architectures for emerging disaggregated and heterogeneous data-centers and HPC.

Automated Calibration of Balanced Control to Optimize Performance of Silicon Photonic Switch Fabrics (Th1G.2)
8:30 - 8:45     Contributed Submission
Presenter: Yishen Huang, Columbia University, United States
Highly-efficient, fabric-wide calibration of balanced control for optical switch fabrics without built-in power-detectors is first realized with fully-automated implementation. This technique co-optimizes thermo-optic and electro-optic phase elements, correcting phase-error and power-imbalance simultaneously for optimized performance.

The ARPA-E ENLITENED Program - Integrated Photonic Technology for Energy-efficient Data Center Networks (Th1G.3)
8:45 - 9:15     Invited Submission
Presenter: Michael Haney, Advanced Research Projects Agency-Energy, United States
The recently launched ARPA-e ENLITENED program aims to exploit integrated photonic interconnect and switching technologies to provide transformative energy efficiency improvements in future data centers. The program’s motivation, goals, and progress are reviewed.

System-Level Demonstration of a Dynamically Reconfigured Burst-Mode Link Using a Nanosecond Si-Photonic Switch (Th1G.4)
9:15 - 9:30     Contributed Submission
Presenter: Alex Forencich, IBM TJ Watson Research Center, University of California at San Diego, United States
Using a novel FPGA-based network emulator, microsecond-scale packets with 12.5-20-Gb/s data are generated, routed through a nanosecond Si-photonic switch, and received in a fast-locking burst-mode receiver. Error-free links with <382-ns system-level switching are demonstrated.

O-band Energy-efficient Broadcast-friendly Interconnection Scheme with SiPho Mach-Zehnder Modulator (MZM) & Arrayed Waveguide Grating Router (AWGR) (Th1G.5)
9:30 - 9:45     0.40625
Presenter: Stelios Pitris, Aristotle University of Thessaloniki, Aristotle University of Thessaloniki, Greece
We present an O-band energy-efficient broadcast-friendly optical architecture relying on a silicon photonics broadband MZM and an 8×8 AWGR. Experimental validation is demonstrated at 10Gb/s followed by an energy-saving analysis for the proposed broadcast scheme.

Integrated, scalable and reconfigurable Silicon Photonics based optical switch for colorless, directionless and contentionless operation (Th1G.6)
9:45 - 10:00     Contributed Submission
Presenter: Stefano Tondini, University of Trento, United States
We demonstrate a BCD8sP electronic-photonic integrated device for low cost, low power, mass–manufacturable optical switching. Our network on-chip has 1000 photonic components driven by dedicated electronic controls. Total insertion loss is -22dB, including input and output coupling, and channel isolation is better than 35dB, in a chip area of 1cm2.


Optical Switching I (Th1J)
Thursday, 15 March, 8:15 - 10:00

Large-Scale Silicon Photonic Switch (Th1J.1)
8:15 - 8:45     Invited Submission
Presenter: Eric Bernier, Huawei Technologies Canada Co., Ltd., Canada
A packaged and fully operational 32x32 silicon photonic switch chip having 448 switch cells and 1856 crossings is demonstrated. Development of low loss optical components is essential to the operation of complex Mach-Zehnder switch fabrics.

Crosstalk Spectrum Optimisation for Stacked Wavelength Selective Switches Based on 2D Beam Steering (Th1J.2)
8:45 - 9:00     Contributed Submission
Presenter: Haining Yang, Roadmap Systems Ltd,
We report a 4(1×8) WSS prototype using 2D beam steering with minimum insertion loss of 4.7dB and uniform passband step of 1GHz. The worst-case crosstalk was suppressed to <-30dB with optimised spectrum profile for improved OSNR.

Integrated Wavelength Selective Switch Array for Space Division Multiplexed Network with Ultra-Low Inter-Spatial Channel Crosstalk (Th1J.3)
9:00 - 9:15     Contributed Submission
Presenter: Keita Yamaguchi, NTT Corporation, Japan
We propose a novel optics for integrated wavelength selective switch (WSS) array that suppresses inter-sub WSS crosstalk for space-division multiplexed network. A crosstalk level of as low as –50 dB has been achieved.

Fast, high-radix silicon photonic switches (Th1J.4)
9:15 - 9:45     Invited Submission
Presenter: Tao Chu, Zhejiang University, China
With a limited number of built-in power monitors to detect the optimum operating points of all switch units, we demonstrated a 32 × 32 MZI-based silicon electro-optical switch operating with nanosecond speeds.

Dual 8x16 MCS using Hybrid-Integrated Silica PLC and Polymer TIR Switch Array (Th1J.5)
9:45 - 10:00     Contributed Submission
Presenter: Jang-Uk Shin, Electronics & Telecomm Res. Inst, United States
We firstly report the design and fabrication of silica-polymer hybrid-integrated (chip-to-chip bonded) dual 8x16 multicast switch for contention-less ROADM. We used silica PLCs for passive waveguide devices and polymer TIR switch as switching devices.


Current Topics in Long Haul/Metro Transmission (Th3A)
Thursday, 15 March, 14:00 - 15:00

Traffic Engineering and Topology Programming (Th3A.1)
14:00 - 14:30     Invited Submission
Presenter: Monia Ghobadi, Microsoft, United States
With the adoption of ROADMs in long-haul networks, providers have the ability to change the physical layer of networks. We propose a graph abstraction for the practical adoption of programmable topologies into traffic engineering schemes.

Pizzabox Transponders Deployment in the Field and Related Issues (Th3A.2)
14:30 - 15:00     Invited Submission
Presenter: Giuseppe Rizzelli, Facebook, United Kingdom
Pizzabox transponders deployment in metro and backbone networks allows us to achieve large power and space savings. However, to reduce time to market, many basic software features are left out, thus making operations more complex.


Data Center Interconnect Deployments (Th3F)
Thursday, 15 March, 14:00 - 15:00

Present and future optical technology deployments in Facebook’s terrestrial networks (Th3F.1)
14:00 - 14:30     Invited Submission
Presenter: Gaya Nagarajan, Facebook, United States
Abstract not provided.

Leveraging Predictive Analytics to Achieve Knowledge-Defined Orchestration in a Hybrid Optical/Electrical DC Network: Collaborative Forecasting and Decision Making (Th3F.2)
14:30 - 14:45     Contributed Submission
Presenter: Wei Lu, Univ of Science and Technology of China, China
We design and experimentally demonstrate a hybrid optical/electrical DC network that achieves knowledge-defined orchestration with two collaborative machine learning modules.

Service Function-Oriented Topology Aggregation in Multi-Domain Inter-DC Elastic Optical Networks (Th3F.3)
14:45 - 15:00     Contributed Submission
Presenter: Boyuan Yan, Beijing University of Posts and Telecom, China
A service function-oriented topology aggregation is proposed, based on which a routing and resource assignment algorithm is designed for service function chain construction in multi-domain optical networks. Simulation results show it can achieve high efficiency.


Optical Switching Sub-systems (Th3H)
Thursday, 15 March, 14:00 - 15:45

4 OAM x 4 WDM Optical Switching Based on an Innovative Integrated Tunable OAM Multiplexer (Th3H.1)
14:00 - 14:15     Contributed Submission
Presenter: MUHAMMAD MALIK, CNIT - Consorzio Nazionale Interuniversitario per le Telecomunicazioni, Sant' Anna di Pisa,
A 4OAMx4WDM switching experiment has been carried out combining an innovative integrated tunable OAM multiplexer based on 4-concentric omega-shaped silicon waveguides and a refractive element-based OAM demultiplexer; operation is demonstrated up to 120Gb/s.

83.33 Tb/s Coherent PDM-8PSK SDM-TDM Spatial Super-channel and High-speed Core-joint Switching System (Th3H.2)
14:15 - 14:30     Contributed Submission
Presenter: Jose Manuel Delgado Mendinueta, NICT, Japan
We experimentally demonstrate a record 83.33 Tb/s switching capacity on a time-division spatial super-channel 2x2 switching node making use of core-joint, ns switching-speed and transparent electro-absorption optical switches.

Large-Scale Optical Circuit Switch Architecture for Intra-Datacenter Networking (Th3H.3)
14:30 - 15:00     Invited Submission
Presenter: Yojiro Mori, Nagoya University, Japan
This paper reviews recently developed large-scale optical-circuit-switch architectures suitable for intra-datacenter networking that synergistically combine space switches and wavelength-routing switches. Tunable laser and tunable filter based wavelength-routing schemes are compared in terms of hardware requirements.

T/O-band Wavelength Routing System Using Quantum Dot Semiconductor Devices and 1081-Channel AWG Router (Th3H.4)
15:00 - 15:15     Contributed Submission
Presenter: Ryogo Kubo, Keio University, Japan
We demonstrate a wavelength routing system that covers a broad wavelength range of 1000–1360 nm, i.e., T/O-band. The system includes our developed T/O-band-specific quantum dot semiconductor devices and 1081-channel arrayed waveguide grating (AWG) router.

Next-Generation ROADM Employing Bandwidth-Adaptive Silicon-Photonic Filters for Flexible Drop Operation (Th3H.5)
15:15 - 15:30     Contributed Submission
Presenter: Yojiro Mori, Nagoya University, Japan
As one step in realizing next-generation flexible ROADMs, we demonstrate the effectiveness of a bandwidth-adaptable silicon-photonic filter, through transmission experiments on 10-Gbps OOK, 40-Gbps DQPSK, 100-Gbps DP-QPSK, 400-Gbps 2-subchannel DP-16QAM, and 1-Tbps 5-subchannel DP-16QAM signals.

Experimental Utilization of Repeated Spatial-Mode Shifting for Achieving Discrete Delays in a Free-Space Recirculating Loop (Th3H.6)
15:30 - 15:45     Contributed Submission
Presenter: Ahmed Almaiman, University of Southern California, United States
We demonstrate an all-optical free-space recirculating delay loop by shifting the spatial mode order using the orbital-angular momentum (OAM) basis. The orthogonality of the OAM modes is used to easily select the desirable delay at the loop output.


Optical Switching II (Th3C)
Thursday, 15 March, 14:00 - 16:00

Wide-Range Automated Wavelength Calibration Over a Full FSR in a Dual-Ring based Silicon Photonic Switch (Th3C.1)
14:00 - 14:15     Contributed Submission
Presenter: Qingming Zhu, Shanghai Jiao Tong University, China
We demonstrate an automated wavelength calibration scheme for a dual-ring based silicon electro-optic switch. By using an improved saddle point searching algorithm, the calibration over a full free spectral range of 6 nm is achieved.

Self-Holding Operation of Magneto-Optical Switch using Thin-Film Magnet (Th3C.2)
14:15 - 14:30     Contributed Submission
Presenter: Ken Okazeri, Tokyo Institute of Technology, Japan
A novel self-holding switch is demonstrated by a magneto-optical waveguide switch. The switching state is flipped by a pulsed current and maintained without any power supply by virtue of the non-volatility of thin-film magnet.

Photonic Switch Fabrics in Computer Communications Systems (Th3C.3)
14:30 - 15:30     Tutorial Submission
Presenter: Benjamin Lee, IBM TJ Watson Research Center, United States
Dense, efficient, and potentially low-cost photonic switches show promise for transforming Computercom networks. This talk will cover the fundamentals of photonic switching technologies, as well as the architectures and packaging features that can enable scaling.

Demonstration of on-chip 640-Gbit/s throughput, granularity-flexible programmable optical filtering and reconfigurable optical add/drop multiplexing on silicon platform (Th3C.4)
15:30 - 15:45     Contributed Submission
Presenter: Shuang Zheng, Wuhan National Laboratory for Optoelectr, China
By integrating cascaded arrayed-waveguide gratings with array switches on silicon platform, we design and fabricate an on-chip multi-functional photonic signal processor. 640-Gbit/s throughput, granularity-flexible programmable optical filtering and reconfigurable optical add/drop multiplexing are demonstrated experimentally.

Low-crosstalk, low-power Mach-Zehnder interferometer optical switch based on III-V/Si hybrid MOS phase shifter (Th3C.5)
15:45 - 16:00     Contributed Submission
Presenter: Qiang Li, The University of Tokyo, Japan
An optical switch with InGaAsP/Si hybrid metal-oxide-semiconductor phase shifter is demonstrated with low crosstalk (-28.6 dB) and low power consumption (1.3 nW) due to the large electron-induced refractive index change and small absorption in InGaAsP.


Hybrid Access Networks for Wireless Delivery (Th3G)
Thursday, 15 March, 14:00 - 16:00

Ultrafast Beam Steering Enabled by Photonics & Plasmonics (Th3G.1)
14:00 - 14:30     Invited Submission
Presenter: Juerg Leuthold, ETH Zurich, Switzerland
Photonics and plasmonics offer unique opportunities to realize ultrafast millimeter wave beam steering concepts relying on phased array antennas. We discuss recent advances and experiments demonstrating settling times in the order of 10s of ps.

Wireless Extension for 2.5 Gbit/s GPON (Th3G.2)
14:30 - 14:45     Contributed Submission
Presenter: Rattana Cheunchom, University of Duisburg Essen, Germany
We report on a coherent RoF architecture for connecting multiple ONUs in a GPON network via a 71-76 GHz E-band wireless link to the OLT. Novel coherent photonic mixer (CPX) modules providing up to +17 dBm RF output power in the E-band are used for direct optic-to-RF conversion.

Enabling 5G Services in PON with a Novel Smart Edge Based on SiP MRM (Th3G.3)
14:45 - 15:00     Contributed Submission
Presenter: Xun Guan, Centre for optics, photonics and lasers, Hong Kong
We propose a novel passive optical network (PON) smart edge supporting 5G services by exploiting silicon photonic (SiP) microring modulators (MRM) with advantages of compactness, low-cost, low power and colorless operation. We validate the proposal experimentally.

First Demonstration of Doppler Compensation Technique Using Period-one Nonlinear Semiconductor Laser Dynamics for OFDM-RoF Coherent Detection (Th3G.4)
15:00 - 15:15     Contributed Submission
Presenter: Yu-Han Hung, National Cheng Kung University, Taiwan
A Doppler compensation technique is proposed and demonstrated for OFDM-RoF coherent detection through frequency synchronization based on period-one nonlinear dynamics of semiconductor lasers. A 28-GHz chirped microwave with +-100 kHz variation is frequency-synchronized in real-time.

Demonstration of ultra-high-resolution photonics-based Ka-band inverse synthetic aperture radar imaging (Th3G.5)
15:15 - 15:30     Contributed Submission
Presenter: Yao Yao, NUAA,
We demonstrate a photonics-based Ka-band radar system with 12 GHz bandwidth by optical signal generation and de-chirp processing. Inverse synthetic aperture radar imaging with a range resolution as high as ~1.3 cm high-resolution is achieved.

Extremely Wide Bandwidth Microwave Photonic Phase Shifter for W-band Chirped Monopulse Radar (Th3G.6)
15:30 - 15:45     Contributed Submission
Presenter: Bohao Liu, PURDUE UNIVERSITY, United States
Phase-shifting of extremely wide-band chirped pulses (80-95 GHz) is realized using optically shaped pulses and dual photonic transmitters. Sum/difference radiation patterns with ~15 dB extinction ratio are demonstrated, offering prospects for W-band monopulse radar.

Efficient Mobile Fronthaul Using Windowed OFDM Exhibiting High CFO Tolerance and Strong OOB-leakage Suppression with Low DSP Complexity (Th3G.7)
15:45 - 16:00     Contributed Submission
Presenter: Shuyi Shen, Georgia Institute of Technology, United States
A novel windowed-OFDM transmission scheme is demonstrated to achieve 2.2-dB improvement of carrier-frequency-offset tolerance and 20-dB out-of-band-leakage suppression for MMW-RoF mobile fronthaul, with low computational complexity and no additional overhead owing to effective time-domain windowing.

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