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SOP Monitoring Using Time-Frequency Feature Extraction of the Polarization Tributary Powers
Linan Shan;Xiaoguang Zhang;Wanxin Zhao;Lixia Xi;Hu Zhang;Xiaosheng Xiao;Nan Cui
This letter proposes a comprehensive method to monitor the change speed of the state of polarization (SOP) for optical transmission systems. By using time-frequency feature extraction of the polarization tributary powers. The proposed method can be implemented either in the receiver digital signal processor (DSP) without using the MIMO module or at any fiber span nodes with simple hardware. It was...Show More
Assessing the Impacts of All-Order PMD on Fiber Communication Systems via a Unified Metric Scheme
Polarization mode dispersion (PMD) impacts optical fiber communication systems in both the time and frequency domains. Traditionally, mean differential group delay (DGD) and the average rotation of state of polarization (RSOP) have been used to assess the impact of PMD on systems. However, these metrics only capture the polarization information of the fiber channel, without accounting for aspects ...Show More
Principal Modes of Multimode Fibers Resisting Fiber Bending
2024 Conference on Lasers and Electro-Optics (CLEO)
Year: 2024 | Conference Paper |
Fast RSOP Tracking in Optical Domain by a Polarization Demultiplexing Device in Coherent Optical Communication Systems
Chong Wang;L. Ding;Linan Shan;Wanxin Zhao;Guanghao Yao;Yan Zhang;Peng Sun;Nan Cui;X. Lixia;Hu Zhang;Xianfeng Tang;Xiaosheng Xiao;Xiaoguang Zhang
2024 22nd International Conference on Optical Communications and Networks (ICOCN)
Year: 2024 | Conference Paper |
A DSP-Based Monitor Algorithm for Time-Varying Trajectory and Rotation Speed of Principal States of Polarization
Bin Zhang;Chenxi Ji;Jiarun Zhao;Nan Cui;Xianfeng Tang;Xiaoguang Zhang
2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM)
Year: 2023 | Conference Paper |
PMD Impact on Transport System in Terms of Normalized DGD and ACF
Yan Zhang;Nan Cui;Jinyu Sun;Lixia Xi;Xianfeng Tang;Xiaoguang Zhang
2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
Fiber Nonlinear Compensation Using Bi-directional Recurrent Neural Network Model Based on Attention Mechanism
Xinzhi Yang;Zili Fang;Wenbo Zhang;Lixia Xi;Xiaoguang Zhang;Nan Cui
2022 Asia Communications and Photonics Conference (ACP)
Year: 2022 | Conference Paper |
Cited by: Papers (2)
In this paper, a bi-directional recurrent-neural network (Bi-RNN)- based algorithm with attention mechanism for nonlinear effects compensating in optical fibers is proposed for the first time. The numerical simulations show that the proposed scheme has 0.6 dB ~ 1.0 dB improvement compared with digital back propagation (DBP) algorithm for 1600 km transmission of 28Gbaud dual-polarization (DP) 16QAM...Show More
Joint Equalization of RSOP and PMD Impairments Based on Square-root Cubature Kalman Filter for PDM-16QAM System
Zukai Sun;Hengying Xu;Chenglin Bai;Yining Zhang;Lingguo Cao;Fan Yang;Hongbing Gao;Yanfeng Bi;Nan Cui
2022 Asia Communications and Photonics Conference (ACP)
Year: 2022 | Conference Paper |
Cited by: Papers (3)
In this paper, a polarization demultiplexing scheme based on Square-root cubature Kalman filter (SCKF) is proposed, which can compensate polarization mode dispersion in the frequency domain and track the rotation of state of polarization (RSOP) in the time domain. The performance of the SCKF scheme has verified by 28 GBaud PDM-16QAM system. The simulation results demonstrate that the proposed sche...Show More
Modeling of PMD for wideband fiber channel and its influence on optical fiber communication system
2021 Opto-Electronics and Communications Conference (OECC)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Low Complexity and Robust Pilot-aided Frequency Kalman Filter Scheme for Extreme Polarization Effects Equalization
2021 Opto-Electronics and Communications Conference (OECC)
Year: 2021 | Conference Paper |
Pilot-based Kalman filter scheme for extreme polarization effects equalization is investigated for coherent optical communication system. The equalization scheme reduces OSNR penalty and computational complexity. ©2021 The Author(s) OCIS codes: (060.2330) Fiber optics communications; (060.1660) Coherent communications.Show More
A New Temporal and Spectral Evolution Polarization Mode Dispersion Model in Broadband Fiber Channel
Bingzheng Zhang;Nan Cui;Zhihao Li;Can Cao;Xiuwei Mao;Xianfeng Tang;Xiaoguang Zhang
2021 IEEE 9th International Conference on Information, Communication and Networks (ICICN)
Year: 2021 | Conference Paper |
We propose a new polarization mode dispersion (PMD) model for broadband channel optical fiber transmission system, which can reflect the statistical characteristics of time and frequency variations of PMD in the optical fiber. Then we analyze the influence of PMD on broadband channel communication system based on the proposed model.Show More
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