Impact of XPM and FWM on the digital implementation of impairment compensation for WDM transmission using backward propagation

被引：86
作者：
Mateo, Eduardo [1 ]
Zhu, Likai [1 ]
Li, Guifang [1 ]
机构：
[1] Univ Cent Florida, CREOL Coll Opt & Photon, Orlando, FL 32816 USA
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 20期
关键词：
D O I：
10.1364/OE.16.016124
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The impact of cross-phase modulation (XPM) and four-wave mixing (FWM) on electronic impairment compensation via backward propagation is analyzed. XPM and XPM+FWM compensation are compared by solving, respectively, the backward coupled Nonlinear Schrodinger Equation (NLSE) system and the total-field NLSE. The DSP implementations as well as the computational requirements are evaluated for each post-compensation system. A 12 x 100 Gb/s 16-QAM transmission system has been used to evaluate the efficiency of both approaches. The results show that XPM post-compensation removes most of the relevant source of nonlinear distortion. While DSP implementation of the total-field NLSE can ultimately lead to more precise compensation, DSP implementation using the coupled NLSE system can maintain high accuracy with better computation efficiency and low system latency. (c) 2008 Optical Society of America
引用
收藏
页码：16124 / 16137
页数：14
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