bluuebunny/crossref_metadata_2025 huggingface dataset:
Large-Scale Multiplexed in-Fiber Micro-Cavity Array for Distributed High Temperature Sensing
Authors: Du Bin , He Jun , Guo Kuikui , Xu Xizhen , Wang Yiping
Published: January 2022

We demonstrated a femtosecond laser-induced in-fiber micro-cavity array (MCA) for distributed high temperature sensing. The temperature response from room temperature to 1000 °C of the MCA was investigated, and a temperature demodulation accuracy of 0.49 °C was successfully achieved.
Gaussian Mixture Model clustering algorithm for a probabilistic shaping 64QAM coherent optical communication system
Authors: Xu Hui , Wang Yongjun , Li Chao , Xin Xiangjun
Published: January 2022

In this paper, a Gaussian Mixture Model (GMM) clustering algorithm with initial means is proposed. The experiment results show that the proposed algorithm can significantly improve the performance of probabilistic shaping (PS) 64QAM.
Artificial Neural Networks-Assisted Geometric Shaping Optimization Including Gray-like Mapping
Authors: Liu Xiang , Zhang Jiao , Zhu Min , Hua Bingchang , Zou Yucong , Li Qinru , Wei Yingxin , Tong Weidong , Cai Yuancheng , Lei Mingzheng , Tian Liang , Li Aijie
Published: January 2022

Artificial Neural networks-based geometric shaping is proposed that includes Gray-like mappings. Over 0.2dB gain in GMI and BER improvement is achieved over a wide range of SNRs without requiring any presumed model for the channel.
QPSK-Partition Assisted Frequency Offset Estimation for Probabilistically Shaped Coherent Optical Communication Systems
Authors: Tang Xue , Yang Lishan , Xu Hengying , Bai Chenglin , Sun Weibin , Yu Xinkuo , Cao Lingguo , Lv Xiuhua , Qin Peng
Published: January 2022

A QPSK-partition assisted frequency offset estimation scheme is proposed for probabilistically shaped coherent systems. High FOE accuracy can be achieved under conditions of moderate/strong shaping. The complexity of this scheme is reduced to O(N).
Pilot-free Bayesian Filter for Phase Noise Correction of 64QAM CO-OFDM Superchannel
Authors: Venkatasubramani Lakshmi Narayanan , Lin Yi , Browning Colm , Vijay Anirudh , Koilpillai R David , Barry Liam , Venkitesh Deepa
Published: January 2022

We experimentally demonstrate the use of a pilot-free phase noise mitigation algorithm for a gain-switched comb-based 480 Gbps 64QAM CO-OFDM superchannel system using weighted-blind estimation and Bayesian filter with 18% potential improvement in spectral efficiency.
OneM2M IoT Platform for SDN Control of Optical Networks
Authors: Troscia Martina , Sgambelluri Andrea , Paolucci Francesco , Castoldi Piero , Pagano Paolo , Cugini Filippo
Published: January 2022

The first implementation of the OneM2M IoT platform used to control optical networks is presented. The platform provides remarkable scalability performance particularly as a function of the number of monitored devices.
Real-Time Demonstration of Fiber-to-the-Room for >1Gb/s Home Networking with Guaranteed QoS and Fast Roaming
Authors: Wu Xuming , Zeng Yan , Liu Jianfei , Chanclou Philippe
Published: January 2022

We experimentally demonstrate a Gb/s-level fiber-based P2MP home network with fast roaming via coordinated multipoint. In addition, the QoS of low-latency services is guaranteed via AI-based service acceleration, reducing the end-to-end latency by over 8 times to 50 ms.
1024-channel Passive Optical Phased Array with High Angular Resolution
Authors: Luo Guangzhen , Wang Pengfei , Ma Pengfei , Wang Ruiting , Yu Hongyan , Zhou Xuliang , Zhang Yejin , Pan Jiaoqing
Published: January 2022

We have demonstrated a large-scale passive optical phased array (OPA) with 1024 channels, which has a spot divergence angle of less than 0.1°. It can realize beam scanning through wavelength tuning.
Photonics-Based Dual-Functional System for Microwave Signal Generation and Phase Noise Measurement
Authors: Jiang Zhidong , Zhou Pei , Zhang Renheng , Li Kunxi , Li Nianqiang
Published: January 2022

Phase noise measurement of an OEO by an EML-based photonic-delay line method is demonstrated. A 9.952-GHz signal is generated with a phase noise of -111.45 dBc/Hz@10 kHz, and the noise floor reaches -135 dBc/Hz@10 kHz.
Enhancement of Optical Signal-to-Noise Ratio Based on Phase-Sensitive Amplification at Low Gain Levels
Authors: Chen Zhirong , Guo Xiaojie , Li Zhaohui
Published: January 2022

We experimentally investigated optical signal-to-noise ratio (OSNR) enhancement in phase-sensitive amplifiers (PSA) at low gain levels. With balanced input signal-idler powers and OSNRs, nearly 3-dB OSNR improvement is obtained in a PSA with a PS gain as low as 6.4 dB, resulting in SNR improvement of 2.4 dB for 20-GBaud QPSK signal.
Comparison of In-fiber Solid and Hollow Microspheres Resonators for Temperature Sensing
Authors: Xie Yan , Sun Hang , Chen Yiqi , Liu Xiaochen , Yang Yong , Zhang Qi , Zhang Xiaobei , Wang Tingyun
Published: January 2022

We demonstrate a temperature sensor based on capillary coupled with microsphere resonators inside, which are compared in the forms of solid and hollow types.
Non-uniform EDFA Power Map Monitoring via Power-Guided Learned Digital Backpropagation
Authors: Tang Du , Wu Zhen , Sun Zhongliang , Qiao Yaojun
Published: January 2022

An accurate power map monitoring method is proposed based on power-guided learned digital backpropagation. Extensive simulation results show that the estimation error of the non-uniform power map is only less than 0.4 dB.
106 Gbit/s PAM4 Transmission Employing a 15 GHz Directly Modulated Laser
Authors: Chen Yaobin , Wang You , Li Wei , Mei Muyang , Feng Zhongshuai , Wu Chengcheng , Sun Liping , Zhu Hu , Zhao Xiaobo
Published: January 2022

A 106 Gbit/s PAM4 transmission is experimentally demonstrated based on a DML. Received power of -3 dBm with 7% overhead HD-FEC is achieved by employing a digital pre-compensation and nonlinear equalization.
Virtual Carrier Assisted Optical SSB Direct Detection for Digital Filter Multiplexed OFDM transmission
Authors: Dong Yixian , Gao Xiang , Yi Anlin , Deng Xiong , Yang Hui , Jiang Lin , Zou Xihua , Yan Lianshan
Published: January 2022

We investigate a virtual carrier assisted optical-SSB direct detection for the digital filter multiplexed OFDM with matching filter-free receiver. Advanced in flexible access technology/complexity-reduced DSP, signal transmission >100Gb/s can be achieved after 80km SMF.
Receiver IQ Imbalances and Skew Compensation based on Frequency Domain 4×2 MIMO Equalizer for PDM-16QAM Systems
Authors: Chai Jia , Liang Junpeng , Chen Xue , Zhao Yan , Wang Yongben , Wang Weiming , Zhou Weiqin
Published: January 2022

A frequency domain 4*2 multi-input and multi-output equalizer based on radius directed equalization for long-haul transmission systems is proposed, which can compensate the coherent receiver's in-phase/quadrature imbalances and skew.
Analysis of Eigenvalues Perturbation Induced Phase Noise for Nonlinear Frequency Division Multiplexing Systems
Authors: Chen Yingrong , Fang Xi , Ding Ding , Xiong Jiaqi , Zhang Lei
Published: January 2022

We studied phase noise of discrete b-coefficients caused by eigenvalues perturbation for NFDM systems and provided an analytical solution to evaluate the impact of the perturbation on system performance for various transmission distances.
Carrier Frequency Offset Estimation by Resampling-Free Uniform Particle Filter for CO-OFDM
Authors: Wang Ruijie , Du Xinwei , Yu Changyuan , Kam Pooi-Yuen
Published: January 2022

This paper proposes a resampling-free uniform particle filter to estimate the carrier frequency offset in CO-OFDM systems which solves the particle impoverishment problem and shows better noise and particle number tolerance com-pared with existing algorithms.
Design and Implementation of Beacon Tracking System in Vehicle-mounted Laser Communication Based on Tobit Kalman Filtering Algorithm
Authors: Xiong Jiao , Zhan Yueying , Sun Yang , Yang Lei
Published: January 2022

The beacon tracking system based on TKF algorithm is designed and implemented on FPGA. The feasibility and performances of the system are verified by the beacon tracking system in vehicle-mounted laser communication system.
Lightning Induced Fast RSOP Modeling and its Tracking with Large PMD
Authors: Li Jian , Yang Tao , Wang Yongben , Wang Weiming , Zhou Weiqin , Yuan Lei , Chen Xue , Yue Mengli
Published: January 2022

A double exponential function based accurate model of lightning induced fast RSOP is presented. A novel tracking algorithm based on cascaded EKF-RDE is proposed for tracking the fast RSOP with large PMD.
Multi-User MIMO Visible Light Communication using BD Schemes with Downlink Precoding
Authors: Makimura Junichi , Yamamoto Ryohei , Kobayashi Hirokazu , Iwashita Katsushi
Published: January 2022

Precoding MU-MIMO VLC using BD methods have been investigated. To increase the network capacity, adaptive modulation is applied to 4 LEDs and 4 PDs network. PAM4 is applied at higher SNR channel and successfully conducted.
Combination 4D-2A8PSK Modulation and Neural Network Receiver in Discrete Spectra modulated Nonlinear Frequency Division Multiplexing Systems
Authors: Deng Jiayun , Wei Jiacheng , Zhang Xulun , Xi Lixia , Zhang Wenbo , Xiao Xiaosheng , Zhang Xiaoguang
Published: January 2022

A combination scheme of 4D-2A8PSK modulation with neural network receiver is proposed to improve the performance of the discrete spectra modulated nonlinear frequency division multiplexing systems. The transmission distance extends from 1000km to 2100km.
Transmission of 10×400-Gb/s PS-16QAM over 4300-km LEAF Using Composite Carrier Recovery Scheme
Authors: Liu Wu , Li Haibo , Yang Chao , Luo Ming
Published: January 2022

We have experimentally demonstrated 10×400-Gb/s PS-16QAM transmission over 4300-km LEAF. Digital pilot and FIR filter embedded with DD-LMS are applied to facilitate the carrier recovery of PS-QAM signal and overcome the fast phase fluctuations.
Link-oriented Spectrum Resource Balancing for Hybrid Edge/Cloud Elastic Datacenter Optical Networks
Authors: Bao Bowen , Yang Hui , Yao Qiuyan , Li Chao , Chatterjee Bijoy Chand , Oki Eiji , Zhang Jie
Published: January 2022

This paper proposes a link-oriented spectrum resource balancing scheme for hybrid edge/cloud elastic datacenter optical networks by presenting a novel weighted Shannon entropy-based fragmentation metric. Simulation results show the proposal can decrease the blocking probability.
Secure and Efficient Resource Allocation for Anti-Eavesdropping in MCF-Based SDM-EONs
Authors: Xu He , Wang Hongxiang , Ji Yuefeng
Published: January 2022

We propose a secure and efficient resource allocation scheme for anti-eavesdropping in MCF-based SDM-EONs. Simulation results show that our scheme significantly reduces the intercept possibility of eavesdroppers while maintaining the quality of transmission.
A Grouped Handover Scheme for Optical ISL in Satellite Network
Authors: Yang Hai , Guo Bingli , Fu Mingjiang , Pang Chengguang , Huang Shanguo
Published: January 2022

This paper proposes a grouped handover scheme for optical ISL to address network performance degradation caused by frequent link switching. Simulation results show that the average loss rate and delay performance are improved 77.6% ,5.9%.
An SDN-enabled Optical Transport Network Simulation Platform for Cross-domain TSN Service
Authors: Zhong Xiangyang , Zhu Jian , Guo Bingli , Li Qian , Huang Shanguo
Published: January 2022

An SDN-enable optical transport network simulation platform is proposed. The core functions routing and resource prejudge strategy are deployed. The platform is more effectively supports the end-to-end service resource prejudge in cross-domain Time-Sensitive Networks.
Harmony Search Based Multi-Faults Localization for 5G Coexisting Radio and Optical Wireless Networks
Authors: Xin Jingjie , Li Xin , Tang Ying , Zhang Lu , Wei Jianghua , Zhang Yongjun , Huang Shanguo
Published: January 2022

Harmony search algorithm is utilized to solve multi-faults localization problem in coexisting radio and optical wireless networks. When traffic load is around 500 Erlang, the localization accuracy achieves 97.5%, and localization time is within 0.94s.
Delivering Ring Allreduce Services in WSS-based All-optical Rearrangeable Clos Network
Authors: Zhai Zhenwei , Lin Jiemin , Li Yongcheng , Zheng Danyang , Chang Zeshan , Zong Liangjia , Deng Ning , Chang Tianhai , Shen Gangxiang
Published: January 2022

To deliver Ring allreduce services in a wavelength selective switch (WSS)-based all-optical rearrangeable Clos network, we propose a two-dimensional matrix-based resource assignment algorithm. Simulation studies show that the proposed algorithm is efficient in time-slot and wavelength resource assignment.
Blockchain-based Resources Trusted Consensus Solution for Multi-domain Edge Optical Networks
Authors: Zhang Yudong , Zhu Ruijie , Li Shihua , He Shuo
Published: January 2022

Aiming at solving the security issue in multi-domain edge optical networks, we propose a trusted consensus solution based on blockchain and design a high-efficient consensus algorithm to meets the low-latency requirements of optical networks.
Improved DASH Video Streaming Performance by MEC-Enabled Optical Access
Authors: Centofanti C. , Marotta A. , Rinaldi C. , Franchi F. , Cassioli D. , Graziosi F.
Published: January 2022

We discuss how different service placement can improve DASH performances on an edge-enabled architecture in a MEC infrastructure. Network experiments emulate a real optical network behaviour allowing to measure improvements with different service placement.
Plasmon Coupling of Silver nanowires in Optical Communication Band
Authors: Qiu Ying , Li Qiang , Tao Jin , Liu Zichen , He Zhixue
Published: January 2022

The effects of the output wavelength(1530nm~1565nm) of the tapered fiber, the angle and the gap between the silver nanowire and the tapered fiber on the plasmon coupling of silver nanowires are studied experimentally.
On-chip broadband and reconfigurable quasi-circulator based on mode conversion
Authors: Lu Longhui , Liu Deming , Yan Max , Zhang Minming
Published: January 2022

We propose a unique concept to implement an optical quasi-circulator based on mode conversion without using nonreciprocity. Such circulator is CMOS-compatible, reconfigurable, broadband and could be extended for more ports.
Design of high bandwidth efficiency product gradual doped partially depleted absorber photodetector with spacer layer
Authors: Chuanxing Jiang , Huijuan Niu , Houzeng Wang , Xinye Fan , Wenjing Fang , Xia Zhang
Published: January 2022

A partially depleted absorber photodetector with spacer layer is presented, which adopts Gaussian profile doping. The bandwidth is 59.8GHz and the quantum efficiency is 60.4%. The bandwidth efficiency product is 36.11GHz which is 49.7% higher than conventional partially depleted absorber photodetector under the same active area and bias voltage.
Technical Characteristic Improvement for Tunneling Injection Transistor Laser using Single Barrier-Double Quantum Well Graded Structure
Authors: Noorbakhsh Ghazaleh , Kaatuzian Hassan , Namvar Behzad
Published: January 2022

Here, we represent a double quantum well Tunnel-Injection graded-base Transistor Laser with one barrier. We achieved 37.5% reduction in threshold current, and 11.1GHz increment in optical bandwidth compared to previously reported results.
Compact Lithium Niobate-on-insulator/ InP O Band External Cavity Laser
Authors: Zhang Xian , Han Ya , Cai Xinlun
Published: January 2022

We demonstrated an O band external cavity laser by butt coupling thin film lithium niobate chip with reflective InP gain chip. Laser feedback is achieved by using LN based distributed Bragg reflector and Vernier micro-ring resonators.
Physical Limitation Aware Quantization Model for Photonic Convolutional Neural Network
Authors: Jiang Yue , Zhang Wenjia , Yang Fan , He Zuyuan
Published: January 2022

We propose a physical limitation aware clustered quantization model by considering precision device limitation in the training process of integrated photonic CNN, showing 98.5% recognition accuracy for MNIST handwirtten recognition with 2-bit precision.
Design of an O-Band Polarization Insensitive SOAs on IMOS for High-Performance Optical Switches
Authors: Feyisa Desalegn Wolde , Jiao Yuqing , Chen Zhaowei , Calabretta Nicola , Stabile Ripalta
Published: January 2022

We report the design of a polarization-insensitive SOA in IMOS-platform with worst-case polarization sensitivity of 0.8 dB over 60 nm bandwidth and 26 dB input power range. 500 μm-long SOA provides 21 dB peak gain.
Real Time Frequency Offset Measurement and Compensation Technique Scheme for DFB Lasers
Authors: Li Hongliang , Chen Da , Yu Yonglin
Published: January 2022

A real time frequency offset measurement and compensation scheme is experimentally demonstrated for DFB lasers. Results indicate the frequency drift can be suppressed down to 100MHz by using a feedback control loop based on FPGA.
Membrane Multiple Quantum Well Electro-Optical Modulator Based on High-k Material
Authors: Xing Jianghao , Sun Changzheng , Xiong Bing , Wang Jian , Hao Zhibiao , Wang Lai , Han Yanjun , Li Hongtao , Yu Jiadong , Luo Yi
Published: January 2022

A membrane MQW elector-optic modulator based on high-k material is proposed. A half-wave voltage-length product of 0.38 V-cm is estimated, together with over 200 GHz bandwidth for a 2-mm-long device.
Large-scale single mode semiconductor laser arrays based on parity-time symmetry
Authors: Yang Sikang , Luan Jing , Han Yu , Zhang Ruigang , Tian Qi , He Pengxiang , Liu Deming , Zhang Minming
Published: January 2022

We here propose a simple method in realizing large-scale laser arrays based on PT symmetry. By utilizing the abrupt symmetry breaking transition, a single-mode laser arrays consist of eighteen ridge-waveguide cavities has been demonstrated.
Stability analysis of generalized Lugiato-Lefever equation with lumped filter for Kerr soliton generation in anomalous dispersion regime
Authors: Chen Nuo , Zhang Boqing , Yang Haofan , Lu Xinda , He Shiqi , Hu Yuhang , Chen Yuntian , Zhang Xinliang , Xu Jing
Published: January 2022

We raise a detuning-dependent loss mechanism to describe the Kerr soliton formation dynamics when the lumped filtering operation is manipulated in anomalous group velocity dispersion regime, using stability analysis of Lugiato-Lefever equation.
Effect of High Energy Irradiation on 3 μm Top Silicon Photonic Passive Devices
Authors: Zhou Yue , Lv Dongsheng , Huang Yi , Wu Longsheng , Wang Ruxue , Li Wenfei , Bi Dawei , Wu Aimin
Published: January 2022

Optical properties of Mach-Zehnder interferometer and Arrayed Waveguide Grating under 60Co γ-ray and proton irradiation are investigated. Wavelength of MZI blueshifts, and the shift increases with the increasing dose due to an effective refractive index change of 10-4.
Hybrid Integrated Low Residual Noise Optical Phase Locked Loop
Authors: Tang Liwei , Yang Sigang , Chen Hongwei , Chen Minghua
Published: January 2022

In order to low down the residual phase noise and reduce the loop time delay, a hybrid integrated optical phase locked loop is designed based on unltra-low linewidth frequency tunable self-injected semiconductor laser, which achieves a loop delay of 30 ps, the residual phase noise of -80 dBc/Hz at 100 Hz offset and phase noise variance of 0.0018 rad2.
Polarization-transparent Microphotonic Device Based on Thin-film Lithium Niobate Platform
Authors: Lin Yanmei , Lin Zhongjin , Cai Xinlun
Published: January 2022

A polarization-independent edge coupler and a polarization splitter-rotator are proposed for thin-film lithium niobite platform. The extinction ratio and insertion loss of the proposed O-band polarization splitter-rotator are over 39dB and near 0.36dB, respectively.
Synchronous-Traveling Carriers Photodetector
Authors: Yuan Weifang , Duan Xiaofeng , Li Gongqing , Li Ke , Li Yu , Li Xianjie , Liu Kai , Huang Yongqing , Ren Xiaomin
Published: January 2022

A synchronous-traveling carriers photodetector with a thick absorption region is presented and investigated. The photodetector structure synchronizes the traveling of electrons and holes, which achieves high bandwidth while maintaining the characteristic of large-responsivity.
Diaphragm-free Microphone Based on Laser Interferometry
Authors: Li Lei , Han Fengtao , Tang Lingping , Wang Shenghui , Gao Yang , Qiao Yingying
Published: January 2022

According to the mechanism that acoustic wave can change the air refractive index, a diaphragm-free microphone based on Mach-Zehnder interferometer is designed and implemented, which has a good response to acoustic signal.
Directly Modulated ADR-DFB Laser Integrated with Easy-to-fabricate Spot Size Converter
Authors: Zhang Yuanhao , Yang Fan , Liu Gonghai , Lu Qiaoyin , Guo Weihua
Published: January 2022

Directly modulated active-distributed-reflector distributed feedback (ADR-DFB) laser integrated with an easy-to-fabricate spot size converter (SSC) is demonstrated, which realizes 3-dB modulation bandwidth ~19 GHz and nearly spherical mode spot.
Mode and Wavelength Hybrid Multiplexer Enabled by Multi-Plane Light Conversion
Authors: Kong Aru , Lei Ting , Yuan Xiaocong
Published: January 2022

We propose, design and experimentally demonstrate a hybrid multiplexer using multi-plane light conversion, which can simultaneously achieve 16 mode and wavelength channels multiplexing with 4 linear polarized modes at 4 wavelengths across the O band.
Enhanced light extraction by surface structure inverse design based on intelligence algorithm for DUV-LEDs
Authors: Li Zizheng , Zhu Yifan , Lu Huimin , Yu Tongjun , Wang Jianping
Published: January 2022

An intelligence algorithm is applied to boost the inverse design of the sapphire surface structure of the DUV-LEDs. The parabola cone array structure is proposed and designed to enhance the light extraction efficiency by 141.6%.
High power DFB laser integrated with laterally tapered SSC in revers mesa shape
Authors: La Xiaobo , Zhu Xuyuan , Guo Jing , Liang Song
Published: January 2022

A high power1290 nm distributed feedback (DFB) laser integrated with spot size converter (SSC) is reported. The far-field divergence angles are 9 and 10 in the lateral and vertical directions.
Digital electro-optical latch based on dual-DFB semiconductor laser
Authors: Tian Qi , Han Yu , Yang Sikang , Luan Jing , Zhang Ruigang , He Pengxiang , Liu Deming , Zhang Minming
Published: January 2022

Digital electro-optical latch can cache the signal by temporarily maintaining a certain output state. We present a dual-DFB semiconductor laser with two DFB sections and identical MQW active layer which can realize the latch function.
All-optical Phase-preserving Amplitude Regeneration through Optical Phase Conjugation in a Polarization-selected Orthogonal-pumped SOA Subsystem
Authors: Sun Fan , Wen Feng , Wu Baojian , Fan Feng , Ling Yun , Qiu Kun
Published: January 2022

We experimentally investigate the phase-preserving amplitude regeneration based on the optical phase conjugation process in a polarization-selected orthogonal-pump semiconductor optical amplifier (PSOP-SOA) subsystem, enabling the signal-to-noise ratio (SNR) improvement of 1.84dB for QPSK signals.
MUTC-PD with Enhanced D-band Response by Shunt Capacitors on Submount
Authors: Tian Yuxin , Xiong Bing , Sun Changzheng , Hao Zhibiao , Wang Jian , Wang Lai , Han Yanjun , Li Hongtao , Luo Yi
Published: January 2022

Submounts with shunt capacitors are proposed to improve the RF power of flip-chip bonded photodiodes, demonstrating output power enhancement of 65% at 148 GHz, and flattened frequency response in F- and D-bands.
Ultra-wide Bandwidth Thin Film Lithium Niobate Modulator with Benzocyclobutene (BCB) Bottom Cladding and Low-loss Buried Edge Couplers
Authors: Liu Hao , Liu Xuecheng , Xiong Bing , Sun Changzheng , Hao Zhibiao , Wang Lai , Wang Jian , Han Yanjun , Li Hongtao , Yu Jiadong , Luo Yi
Published: January 2022

A novel thin film lithium niobate modulator is proposed. Half-wave voltage of 1.9 V and bandwidth of 300 GHz can be obtained, together with buried edge couplers exhibiting low coupling loss of 0.27 dB/facet.
Compact Switchable Polarization Beam Splitter Using Phase Change Material Incorporated Silicon Nitride Waveguide
Authors: Bhandari Bishal , Lee Sang-Shin
Published: January 2022

A compact silicon nitride polarization beam splitter with a length of 57-μm achieving high extinction ratio is presented. It also incorporates phase change material, which allows us to switch it on and off.
Miniaturized spectrometer based on morphologically reconstructed photonic crystal fabricated by nanoreplica molding
Authors: Miao Wen , Yan Jihai , Huang Chenwei , Wan Yuhang , Zheng Zheng
Published: January 2022

A spectral reconstructive system based on a spatially stretched photonic crystal made of UV-curable polymer fabricated through nanoreplica molding, with a reconstruction algorithm based on K-SVD for spectral reconstruction is proposed and experimental demonstrated.
Compact Silicon Mode Converter using Fast Adiabatic-evolution-based Y-junction with Wide Bandwidth
Authors: Xu Yichen , He Yu , Wang Zhen , Zhang Yong , Xie Weiqiang , Su Yikai
Published: January 2022

A broadband mode converter based on an asymmetric Y-junction is proposed and experimentally demonstrated. The device has a compact evolution length (<12 μm) and a wide bandwidth.
Machine Learning Assisted Microwave Photonic Filtering Interrogation for Displacement Sensing
Authors: Zhang Xiuwen , Zheng Di , Luo Chengming , Zou Xihua
Published: January 2022

A powerful machine learning tool Gaussian Process Regression (GPR) is introduced into microwave photonic filtering interrogation for displacement sensing with improved demodulation speed and accuracy.
Physical-Layer Secure Key Generation and Distribution by Estimating Phase Noise of Optical Fiber Link
Authors: Wang Danyang , Wang Hongxiang , Ji Yuefeng
Published: January 2022

A secure key generation and distribution shared between the legal partners is proposed in this paper, where an error-free key generation rate of 0.95Gbit/s is successfully demonstrated by simulation over 100km Optical Fiber Link.
Linear Optical Sampling Enabled Eigenvalue Analysis of Fiber Laser Radiation
Authors: Yu Zhe , Wang Yutian , He Huan , Wu Zhichao , Liu Deming , Zhao Luming , Fu Songnian
Published: January 2022

Linear optical sampling is proposed to obtain the full-field information of ultrafast laser pulse and nonlinear Fourier transform is applied to calculate its eigenvalues, providing an alternative solution for eigenvalue analysis of fiber laser radiation.
Dual-mode FMF to SOI chip edge coupler
Authors: Zhang Weilun , Ye Mengyuan , Li Yunlong
Published: January 2022

Dual-mode edge coupler for few mode fiber (FMF) to silicon chip is proposed. LP01 and LP11 modes could be efficiently coupled into TE0 and TE1 modes in waveguides via the proposed coupler in simulation.
An Energy-efficient Non-volatile Silicon Photonic Accelerator for Convolutional Neural Networks (NVSP-CNNs)
Authors: Liu Zhiyuan , Guo Pengxing , Zhao Peng , Hou Weigang , Guo Lei
Published: January 2022

In this paper, we proposed a non-volatile silicon photonic (NVSP) CNN accelerator architecture. Simulation results demonstrate that compared with traditional photonic CNN accelerator DEAP-CNNs, our architecture can reduce the power loss by 29.47%.
Low-dissipated Power Design for the Optical Blass Matrix Architecture
Authors: Li Yang , Wang Xiaoyu , Huang Xianlin , Zou Xihua , Pan Wei , Yan Lianshan
Published: January 2022

A low-dissipated power design is proposed for the optical Blass matrix architecture. The wasted dissipation power is reduced to the Extinction Ratio (ER) level, which means a 99.63% decrease compared with the existing method.
Microwave multi-frequency measurement based on a MZI and an optical wavelength scanner
Authors: Lu Bing , Zhu Keji , Yan Xianglei , Zhu Long , Deng Mingliang , Wang Andong , Liu Huanlin
Published: January 2022

A novel multi-frequency measurement approach based on a Mach-Zehnder interferometer (MZI) and an optical wavelength scanner is proposed. Multi-frequency measurement with an accuracy of 30 MHz is obtained through simulation within the range of 0~19 GHz.
A Compact Dual-dispersion Architecture for Snapshot Compressive Spectral Imaging
Authors: Zhao Zhengxiang , Meng Ziyi , Ju Zhenyu , Yu Zhenming , Xu Kun
Published: January 2022

We propose a dual-dispersion architecture based on reflection for snapshot compressive spectral imaging, which is compact and low cost. It also shows good spatial and spectral recovery performance based on optimization algorithms.
Merging Engine Implementation with Co-Existence of Independent Dynamic Bandwidth Allocation Algorithms in Virtual Passive Optical Networks
Authors: Malik Gulmina , Ahmad Akhlaque , Ahmad Arsalan
Published: January 2022

We implement the co-existence of independent DBA algorithms, at OLT, sharing the PON upstream capacity. Results indicate that service performance, in terms of packet loss and delay, is affected by virtual operator's choice of DBA.
Reconfigurable All-Optical Binary Pattern Matching for OOK and BPSK Modulation Formats
Authors: Shi Zicheng , Li Xin , Tang Ying , Huang Shanguo
Published: January 2022

A reconfigurable all-optical binary pattern matching system is proposed. It can recognize target sequences in OOK and BPSK modulation formats of 4 and 8 bits in length, with a matching rate of 100Gbps.
A single mode fiber to ring-core fiber side-polished pump coupler
Authors: Xue Xiaobo , Qiu Jianheng , Jiang Qi , Liu Shuaishuai , Zhang Liang , Pang Fufei , Wang Tingyun
Published: January 2022

A side-polished fiber coupler for orbital angular momentum (OAM) mode conversion was designed and fabricated with a single mode fiber (SMF) and a ring-core fiber (RCF). Based on evanescent wave coupling effect, the 974 nm pump laser in the SMF can be efficiently injected into the RCF. It can be found potential applications in OAM fiber amplifiers.
Compensating Verdet constant of optical fibers based on faraday rotating mirror measurement system
Authors: Zeng Jiawei , Wen Jianxiang , Shi Hao , Wu Yan , Ye Le , Dong Yanhua , Huang Yi , Wang Tingyun
Published: January 2022

Established Verdet constant test system based on Faraday rotating mirror (FRM). It is found that FRM eliminates the influence of linear birefringence, indicating that the introduction of FRM can compensate for the Verdet constant.
Closed-Form EGN Model for FMF Systems
Authors: Amirabadi M. A. , Kahaei M. H. , Nezamalhosseini S. A. , Arpanaei F. , Carena A.
Published: January 2022

Recently, Enhanced Gaussian Noise (EGN) model of few-mode fiber nonlin-earity has been proposed improving GN model accuracy. However, EGN is considerably complex. We propose a closed-form EGN model and provide substantial simulations indi-eating its accuracy.
Modulation format identification of optical communication system based on multi-scale inception network
Authors: Liang Meng , Li Yongle
Published: January 2022

We propose a new convolutional neural network based on multi-scale inception, combined with constellation image processing, to improve the accuracy of optical network modulation format identification and reduce the training cost.
Experimentally Demonstration of 2D-TCM for OFDM-based visible light communication
Authors: Xu Lin , He Jing , Zhou Zhihua
Published: January 2022

In the paper, 2-dimensional trellis code modulation (2D-TCM) combined with 16/32QAM OFDM is proposed in visible light communication. The experimental results show that, by using the 2D-TCM 16/32QAM OFDM, the data rate is 2.65 Gb/s and 3.53 Gb/s, respectively. And the BER is lower than the FEC threshold of 3.8×10−3.
Secure Optical Communication based on Hilbert and Chaotic Scrambling in OFDM-PON
Authors: Wang Zhiyi , Xiao Yaoqiang , Wang Bingshuai , Yuansiyi
Published: January 2022

A secure transmission scheme based on Hilbert and chaotic scrambling is proposed. Simulation results demonstrate the proposed scheme can effectively enhance the security of OFDM-PON without OSNR penalty compared with conventional OFDM signal.
OAM Mode Division Multiplexing based IM/DD Transmission with Hidden Markov Model based Equalizer
Authors: Cui Yi , Gao Ran , Zhang Qi , Xin Xiangjun , Wang Yongjun , Li Zhipei , Wang Fei
Published: January 2022

A hidden Markov model-based equalizer is proposed for an OAM mode division multiplexing IM/DD optical communication system. The experimental results show that the equalizer has great potential for high-performance large-capacity low-cost short-reach optical interconnects.
OSNR Monitoring Based on Spectrum Analysis of QPSK Training Sequence
Authors: Wu Feilong , He Pinjing , Yang Aiying , Guo Peng , Li Qian , Qiao Yaojun , Xin Xiangjun
Published: January 2022

An accurate OSNR monitoring method based on spectrum analysis of QPSK training sequence is proposed. Both numerical results (28GBaud system) and experimental results (20GBaud system) show the OSNR (10~30dB) estimation error is within 0.4 dB.
Mitigation of MIMO-Induced Equalization Enhanced Phase Noise Using Blind Phase Searching Algorithm in Mode-Division Multiplexing Systems Using Digital Subcarrier Multiplexing
Authors: Yi Xingwen , Jiang Mengjiang , Wang Huaiyin , Li Fan
Published: January 2022

By using digital subcarrier multiplexing with a lower baud-rate signal in mode-division multiplexing, the complexity of MIMO is reduced. We show that the MIMO-induced equalization enhanced phase noise can be mitigated by blind phase searching algorithm.
Inscription of narrow-bandwidth flat-top optical filter based on multi-phase-shifted fiber Bragg grating using Ar+ laser
Authors: Wang Di , Zhang Yi , Tan Qinggui , Li Xiaojun
Published: January 2022

An all-fiber narrow-bandwidth flat-top filter with 3 dB bandwidth and 20 dB bandwidth of 315 MHz and 778 MHz were prepared by the scanning inscription systems based on 244nm Ar+ laser.
Joint Shaping Technique of Signal Probability and Quantization Noise for Coherent Transmission Systems
Authors: Huang Hongyu , Yu Zhenming , Shu Liang , Sun Kaixuan , Yin Qiuyang , Xu Kun
Published: January 2022

In this work, the joint shaping technique of signal probability and quantization noise is investigated in a low-resolution coherent optical transmission system. The results show the better performance is obtained through the effective jointing.
On the Sum Rate of Precoded Multi-User SDMA VLC System with Limited Dynamic Range
Authors: Zhang Ruochen , Chen Chen , Zhong Xin , Liu Min , Yang Yanbing , Duan Xiao
Published: January 2022

We investigate the sum rate performance of a precoded multiuser MIMO-VLC system under the constraint of LED's limited dynamic range. Simulation results verify the superiority of SVD-precoded SDMA for practical dynamic-range-limited multiuser MIMO-VLC systems.
Demodulation of NHS-OFDM Signal with Real-valued FFT and Enhanced Channel Estimation
Authors: Yin Lede , Chen Wen , Chen Ming , Qian Shengyou , Chen Gang , Zuo Jianing , Cheng Qianjiao
Published: January 2022

We experimentally demonstrate an enhanced channel estimation scheme with subcarrier pairwise-averaging for hardware-efficient demodulation of the NHS-OFDM signal. About 2-dB improvement in receiver sensitivity can be achieved with the BER of 3.8e-3.
An Acoustic/Optic Hybrid MAC Protocol Based on TDMA for Underwater Optical Wireless Networks
Authors: Wang Yuan , Du Ji , Chen Ruilin , Tian Jiahan , Zhang Guowu , Hong Xiaojian , Fei Chao
Published: January 2022

A novel acoustic/optic hybrid medium access control (MAC) protocol based on TDMA is proposed for underwater optical wireless networks (UOWNs). Performance of the protocol is evaluated through simulations under both protocol and physical interference models.
Constellation Reshaping Method for PAPR Reduction of SIM-OFDM based on SLM algorithm
Authors: Wang Xin , Zhang Qi , Gao Ran , Wang Xishuo , Xin Xiangjun , Tian Feng , Tian Qinghua , Wang Yongjun , Li Zhipei , Guo Dong , Chang Huan
Published: January 2022

In order to solve the problem of high PAPR in SIM-OFDM system, a constellation reshaping method based on SLM algorithm is proposed. It can reduce the PAPR effectively without transmitting side information.
Optical Network Routing by Deep Reinforcement Learning and Knowledge Distillation
Authors: Tang Bixia , Chen Jianying , Huang Yue-Cai , Xue Yun , Zhou Weixing
Published: January 2022

We propose a knowledge distillation scheme for deep reinforcement learning-based optical networks. Distilling knowledge from the well-trained model of one traffic pattern to others traffic patterns, so that the latter's training more time-efficient and performance-effective.
Improved Delay-Division Multiplexing OFDM-PON Scheme Employing Low-Bandwidth Sub-Nyquist Sampling-Rate ADC
Authors: Luo Zhibin , Yin Mingzhu , Yi Xingwen , Li Zhaohui , Li Fan
Published: January 2022

Based on optical shaping, 10-GHz/38-Gb/s delay-division multiplexing OFDM-PON using low-bandwidth (2.5 GHz) and sub-Nyquist sampling rate (5 GS/s) ADC is demonstrated. The proposed scheme can achieve 2 dB ROP sensitivity improvement at the HD-FEC threshold.
Geometric Shaping PAM-4 signaling for the Simplified Coherent Receiver with the transmitted signal diversity
Authors: Zhou Jiajun , Gan Lin , Yang Qi , Liu Deming , Fu Songnian
Published: January 2022

We experimentally demonstrate a geometric shaping PAM-4 signaling based on the simplified coherent receiver, leading to a sensitivity improvement of 1.3 dB and a power budget of 32.8 dB for 10 Gb/s/λ WDM-PON.
Real-time Coherent Transmission of 8×10Gb/s PDM-QPSK over a Free-Space Optical link
Authors: Ao Xueyuan , Yang Qi , Dai Xiaoxiao , Wu Junyu , Wang Yuanxiang , Liu Chen , Chen Mengfan , Deng Lei , Liu Deming , Zhang Jing , Hu Shaohua , Zhang Peng , Li Xiaoyan , Tong Shoufeng , Zhao He
Published: January 2022

We experimentally demonstrate an 8×10Gb/s PDM-QPSK real-time coherent communication system spaced with 12.5GHz over a free-space optical link. All the channels of the system have achieved error-free transmission performance.
Real-time Bidirectional Transmission of up to 1.25-Gbps 16-PPM over a Free-Space Optical link
Authors: Wang Zhongzhong , Dai Xiaoxiao , Yang Qi , Zhang Shenmao , Ao Xueyuan , Wu Junyu , Wang Yuanxiang , Jin Xin , Wu Jinyang , Gao Wanchao , Liu Chen , Xue Zhenfen g , Chen Mengfan , Deng Lei , Liu Deming , Zhang Jing , Hu Shaohua , Zhang Peng , Li Xiaoyan , Tong Shoufeng , Zhao He
Published: January 2022

This paper experimentally demonstrates a real-time bidirectional communication system of 16-ary pulse position modulation over a free space optical transmission. This system can guarantee error-free transmission when the received optical power is higher than -38dBm.
Experimental Investigation of PS-PDM-PAM8 Coherent Transmission over Multi-core fiber
Authors: Gao Wenpeng , Gao Yuyuan , Luo Ming , Li Haibo , Lu Dongxu , Huo Jiahao , Yuan Jinhui , Zhou Xian
Published: January 2022

In this paper we experimentally investigate the performance of 448 Gb/s PS-PDM-PAM8 coherent transmission over multi-core fiber. 22.4 Gb/s improvement in net bit rate can be achieved by using PS-PDM-PAM8 compared with U-PDM-PAM4.
Integrating SLM Algorithm into Neural Network for Reducing the PAPR of OFDM System
Authors: Chen Lin , Xu Tao , Jiang Wenshan , Zhang Jing , Yang Qi
Published: January 2022

We propose the multi-class neural network assisted SLM algorithm to select the optimized phase vector for each OFDM symbol to reduce high PAPR by roughly 3dB and computational complexity in optical fiber communication system.
Reversely tapered multicore fibers for simplified all-fiber fan-in and fan-out devices
Authors: Ji Wei , Shen Zihao , Yu Ruowei , Wang Caoyuan , Yan Zhengyu , Liu Liying , Xu Lei , Chiang Kin Seng , Xiao Limin
Published: January 2022

We propose a multicore fiber reverse-tapering technique for the construction of a fused taper type fan-in and fan-out device with excellent overall performance in coupling loss, crosstalk, and return loss without using any bridge elements.
O-band 100 GHz quantum dot mode-locked optical frequency comb with 128 Gbit/s/ λ PAM-4 optical transmission ability
Authors: Pan Shujie , Zhang Hongguang , Wu Dingyi , Wang Zihao , Wang Ting , Seeds Alwyn , Liu Huiyun , Xiao Xi , Chen Siming
Published: January 2022

We demonstrate a cost-effective O-band 100 GHz Fourier-transform-limited optical frequency comb with 128 Gbit/s/ λ PAM-4 transmission ability, generated from a specially designed two-section InAs/GaAs quantum dot mode-locked laser.
54/104 meters Terahertz wireless delivery of 124.8/44.8 Gbit/s Signals without Terahertz Amplifier
Authors: Li Weiping , Ding Junjie , Wang Yanyi , Zhang Jiao , Wang Feng , Wang Chen , Liu Jiaxuan , Wang Kaihui , Zhao Li , Liu Cuiwei , Zhou Wen , Zhu Min , Yu Jianguo , Zhao Feng , Yu Jianjun
Published: January 2022

Without terahertz amplifier, we demonstrate the capability of over 54/104 meters wireless transmission with a record-breaking net data rate of 124.8/44.8 Gbit/s at THz-band by utilizing both suitable dielectric lenses and DSP algorithms.
Photonic-based fully integrated microwave instantaneous frequency measurement
Authors: Tao Yuansheng , Tao Zihan , Shu Haowen , Jin Ming , Wang Xingjun
Published: January 2022

We demonstrate the first photonic-based fully integrated microwave instantaneous frequency measurement system, showing a wideband measurement range of 2-34 GHz and an ultralow estimation error of 10.85 MHz.
Coupled Multi-core Fiber Technologies
Authors: Sakamoto Taiji , Wada Masaki , Yamada Yusuke , Aozasa Shinichi , Nakajima Kazuhide
Published: January 2022

We briefly review the recent progress of the coupled multi-core fiber technologies in terms of the fiber design, cabling and amplification for high spatial density and energy efficient space division multiplexing (SDM) transmission system.
Reconfigurable Photonic Channelized Receiver Based on Polarization Multiplexing and Coherent Detection
Authors: Huang Huan , Wang Xiaowen , Zhang Chongfu , Liu Sinian , Qiu Kun
Published: January 2022

Based on polarization multiplexing and coherent detection, a reconfigurable and efficient photonic channelized receiver is proposed. To show the reconfigurability, two broadband signals with different center frequencies and bandwidths are channelized into different-size sub-channels respectively.
Simultaneous Target Positioning and Velocity Measurement Using a DP-BPSK Modulator with VLFM Waveform Modulation
Authors: Li Yan , Wang Muguang
Published: January 2022

A photonics-assisted system based on a dual-polarization binary phase shift keying modulator and auxiliary receiving antenna that can simultaneously implement target positioning and velocity measurement is proposed using V-shaped linear frequency modulated waveforms.
Electrical Control of Valley Polarization in Monolayer Molybdenum Ditelluride via Exciton-Trion Interactions
Authors: Zhang Qiyao , Sun Hao , Tang Jiacheng , Dai Xingcan , Wang Zhen , Ning Cun-Zheng
Published: January 2022

We systematically investigated the electrically-tunable valley polarization mechanism in monolayer MoTe2 by helicity-resolved photoluminescence and ultrafast pump-probe spectroscopy. The interplay of exciton-to-trion conversion and valley dynamics is revealed, enriching the understanding of valley manipulation.
Phase-Sensitive Amplification in a Dispersion Oscillating Fiber with Two Pumps
Authors: Chatterjee Debanuj , Konyukhov Andrey , Sysoliatin Alexej , Venkitesh Deepa
Published: January 2022

Propagation of two pumps and degenerate signal in a dispersion oscillating fiber (DOF) is investigated analytically and numerically. Unlike the single-pump case, the gain side-bands are found to be influenced by the generated high-order pumps.
An Integrated Visible Light Communication and Positioning CDMA System Implementation Based on OZCZ Code
Authors: Chen Danyang , Wang Jianping , Lu Huimin , Feng Lifang , Jin Jianli
Published: January 2022

A novel integrated visible light communication and positioning CDMA system based on OZCZ code is proposed. The results show that the OZCZ code is better than conventional code considering the system BER and positioning accuracy.
Deep Reinforcement Learning Based DNN Model Partition in Edge Computing-enabled Metro Optical Network
Authors: Zheng Suhao , Xiao Xiao , Li Yajie , Zeng Zebin , Liang Zhengyin , Zhao Yongli , Zhang Jie
Published: January 2022

A deep reinforcement learning based DNN model partition and deployment algorithm is proposed between edge nodes and cloud in metro optical network. Simulation results show that the algorithm can deploy more DNN tasks than heuristics.
Transfer Learning Based Parallel Computation Offloading Scheme Between MEC Servers in Metro Optical Networks
Authors: Liu Lihao , Yin Shan , Jiang Liyou , Wang Zhenhao , Huang Shanguo
Published: January 2022

Aiming at the computing task offloading between MEC servers, this paper proposes a transfer learning based scheme with high applicability, which can keep low blocking probability and quickly adapt to different optical network topologies.
Photonic Digital-to-Analog Converter based on Microring Resonator and Photonic-Nonvolatile-Memory
Authors: Zhao Peng , Guo Pengxing , Liu Zhiyuan , Hou Weigang , Guo Lei
Published: January 2022

We propose an N-bit photonic digital-to-analog converter (PDAC) based on non-volatile memory and microring resonators. Simulation results show that the proposed structure can operate at 10 Gbps and maintain a high conversion accuracy.
High-efficiency Thermo-optical Phase Shifter using Wave-vector and Polarization Multiplexing
Authors: Wang Zhen , Shang Qihang , Zhang Yong , Su Yikai
Published: January 2022

We demonstrate a four-pass thermo-optic phase shifter using wave-vector and polarization multiplexing. The experiment shows that the structure reduces the power consumption of a phase shifter by 3.2 times with a 3.1-dB insertion loss.
Physical-layer Secure Key Distribution Scheme Based on Phase Noise in PSK/QNSC
Authors: Wei Shuang , Li Yajie , Zhu Kongni , Lei Chao , Zhao Yongli , Zhang Jie
Published: January 2022

A secure key distribution scheme with phase noise resisting the beam splitting attack in PSK/QNSC is proposed. The highest key consistency rate 98.4% and key generation rate 70.41 Mbit/s are demonstrated over 50 km SSMF.
IM/DD transmission for Data Center Optical Interconnects
Authors: Liu Gordon Ning , Xiao Jiawang , Liu Caoyang , Shen Gangxiang
Published: January 2022

The demand for data rate of client-side transceivers is increasing due to the development of data center optical interconnect. To meet the high-speed requirement, the recent intensity modulation and direct detection transmission technologies are discussed.
Optimizing Tradeoff between Signal Impairment of All-Optical Wavelength Conversion and Flexibility of Wavelength Resource Allocation in Optical Networks
Authors: Bu Xinxin , Guo Ningning , Shen Gangxiang , Mukherjee Biswanath , Jie Shuiping , Fu Xiaodong
Published: January 2022

We compare performance of three strategies for wavelength converter placement that take into account signal impairment of all-optical wavelength conversion (AOWC). Simulations show effectiveness of the proposed approaches to improve lightpath blocking performance.
Simultaneous Low-Correlation Multi-Channel Chaos Generation Based on Asymmetrically-Coupled Semiconductor Lasers Networks
Authors: Liu Shiqin , Jiang Ning , Zhang Yiqun , Peng Jiafa , Zhao Anke , Qiu Kun
Published: January 2022

We propose a novel low-correlation multi-channel chaos generation scheme by utilizing asymmetrically-coupled semiconductor laser networks. It is demonstrated that effective bandwidths around 20 GHz, pairwise cross correlation below 0.1, and time-delay-signature suppression are simultaneously achieved.
Computational model of an active mode locking optoelectronic oscillator
Authors: Wu Yilin , Zeng Zhen , Zhang Lingjie , Zhang Zhiyao , Zhang Shangjian , Li Heping , Liu Yong
Published: January 2022

A computational model is proposed for an active mode locking optoelectronic oscillator based on electric amplitude modulation. In the simulation, the building-up process and the phase noise of the generated microwave pulse train are obtained.