Intra-channel nonlinearities mitigation in pseudo-linear coherent QPSK transmission systems via nonlinear electrical equalizer

被引：73

作者：

Gao, Yan ^{[1
]}

Zhang, Fan ^{[1
]}

Dou, Liang ^{[1
]}

Chen, Zhangyuan ^{[1
]}

Xu, Anshi ^{[1
]}

机构：

[1] Peking Univ, Sch Elect Engn & Comp Sci, State Key Lab Adv Opt Commun Syst & Networks, Beijing 100871, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2009年 / 282卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Coherent detection; Digital signal processing; Intra-channel nonlinearities; Optical fiber communication; ELECTRONIC POSTCOMPENSATION; PHASE; COMPENSATION; RECEIVER;

D O I：

10.1016/j.optcom.2009.03.002

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel nonlinear electrical equalizer (NLEE) based on Volterra theory is proposed for mitigating intra-channel nonlinearities in pseudo-linear coherent optical communication systems. According to the temporal matching condition of intra-channel nonlinear pulse interactions, we just select specific nonlinear terms and reduce the computation complexity considerably. Numerical simulations of 10GBaud coherent quadrature phase-shift keying (QPSK) transmission show that the simplified NLEE can efficiently mitigate intra-channel nonlinearities. (C) 2009 B.V. All rights reserved.

引用

页码：2421 / 2425

页数：5

共 24 条

[1] Resonant intrachannel pulse interactions in dispersion-managed transmission systems [J].