Cross-polarization error correction enhanced polarization-division-multiplexed differential detection system for optical fiber communications

Chenxu Jiang,Yi Cai, Xiaozhou Wang,Zhongxing Tian, Fuhan Wang, Huan Huang, Jun Zhou,Xiangyong Hao, Shengqing Pang

2023 Opto-Electronics and Communications Conference (OECC)（2023）

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摘要

We propose a novel cross-polarization error correction (CPEC) algorithm for polarization-division-multiplexed differential quadrature-phase-shift-keying (PDMDQPSK) systems. The obtained results show that 1-dB sensitivity improvement can be achieved at $1\times 10^{-3}$ forward-error-correction (FEC) threshold.

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关键词

polarization division multiplexing,differential quadrature-phase-shift-keying,error detection and correction,coherent optical communication,digital signal processing

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