A Dispersion Monitoring Technology Combining Signal Power Waveform with Amplitude and Phase Characteristics

LIU Jun; Lü Jun-feng; LI Bo-zhong; CHEN Fang; TIAN Zhao-yu; WU Jian-jun

doi:10.13756/j.gtxyj.2020.06.007

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A Dispersion Monitoring Technology Combining Signal Power Waveform with Amplitude and Phase Characteristics

- A Dispersion Monitoring Technology Combining Signal Power Waveform with Amplitude and Phase Characteristics
- Study on Optical communication Issue 6, Pages: 25-28(2020)
- 作者机构：
  
  国家电网有限公司信息通信分公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.06.007
  CLC： TN929.11
- Published：2020，
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[1]刘军,吕俊峰,李伯中,陈芳,田照宇,吴剑军.融合信号功率波形与幅相特征的色散监测技术[J].光通信研究,2020(06):25-28+53.

LIU Jun, Lü Jun-feng, LI Bo-zhong, et al. A Dispersion Monitoring Technology Combining Signal Power Waveform with Amplitude and Phase Characteristics. [J]. (6):25-28(2020)
[1]刘军,吕俊峰,李伯中,陈芳,田照宇,吴剑军.融合信号功率波形与幅相特征的色散监测技术[J].光通信研究,2020(06):25-28+53. DOI： 10.13756/j.gtxyj.2020.06.007.

LIU Jun, Lü Jun-feng, LI Bo-zhong, et al. A Dispersion Monitoring Technology Combining Signal Power Waveform with Amplitude and Phase Characteristics. [J]. (6):25-28(2020) DOI： 10.13756/j.gtxyj.2020.06.007.

摘要

针对高速相干光通信系统

融合信号功率波形与幅相特征提出了一种大范围和高精度的色散（CD）监测技术。搭建了112 Gbit/s （28 GBaud）偏振复用正交相移键控（PDM-QPSK）仿真系统

证明了该方法的可行性并分析了监测误差。仿真结果表明

在6.4～48.0 ns/nm CD范围内

该方法实现了最大绝对误差和平均相对误差分别为62.1 ps/nm和0.002 7的CD监测。

Abstract

A large-scale and high-precision Chromatic Dispersion（CD） monitoring technique for high-speed coherent optical communication system is proposed

which combines the signal power waveform with amplitude and phase histograms characteristics. We conduct a simulation for 112 Gbit/s（28 GBaud） Polarization Division Multiplexing Quadrature Phase Shift Keying（PDM-QPSK） coherent optical communication system. In the simulation

the feasibility of this method is proved and the monitoring error is further analyzed. The maximum absolute estimation error of 62.1 ps/nm and the average relative error of 0.002 7 are achieved in the range of 6.4 to 48.0 ns/nm.

关键词

色散监测深度神经网络相干光通信光性能监测色散补偿

Keywords

CD monitoringdeep-neural networkscoherent optical communicationoptical performance monitoringCD compensation

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