A CD adaptive monitoring and compensation method based on the average of the autocorrelation matrix eigenvalue

被引：1
|
作者：
Lei, Yu [1 ]
Lei, Jianming [1 ]
Guo, Junhui [1 ]
Zou, Xuecheng [1 ]
Li, Bin [2 ]
Lu, Li [3 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[2] Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[3] Air Force Early Warning Acad, Wuhan 430019, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2014年 / 312卷
基金：
中国国家自然科学基金;
关键词：
Chromatic dispersion compensation; Optical performance monitoring; Polarization multiplexing; QPSK; Time domain equalizer; Autocorrelation matrix eigenvalue;
D O I：
10.1016/j.optcom.2013.09.029
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new autocorrelation matrix eigenvalue based digital signal processing (DSP) chromatic dispersion (CD) adaptive monitoring and compensation method is proposed It employs the average of the autocorrelation matrix eigenvalue instead of eigenvalue spread to be the metric of scanning. The average calculation has been effective in relieving the degradation of performance caused by the fluctuation of autocorrelation matrix eigenvalue. Compare with the eigenvalue spread scanning algorithm, this method reduces the monitoring errors to below 10 ps/nm from more than 200 ps/nm, while not increasing its computation complexity. Simulation results show that in 100 Gbit/s polarization division multiplexing (PDM) quadrature phase shift keying (QPSK) coherent optical transmission system, this method improves the bit error rate (BER) performance and the system robustness against the amplified-spontaneous-emission noise. (C) 2013 Elsevier B.V. All rights reserved
引用
收藏
页码：199 / 202
页数：4
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