Optimized optical phase conjugation configuration for fiber nonlinearity compensation in CO-OFDM systems

被引：7
|
作者：
Li, Lujiao [1 ]
Qiao, Yaojun [1 ]
Ji, Yuefeng [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2011年 / 9卷 / 06期
基金：
中国国家自然科学基金;
关键词：
TRANSMISSION-SYSTEMS; CANCELLATION; DISPERSION;
D O I：
10.3788/COL201109.060604
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The optimized optical phase conjugation (OPC) configuration is proposed for the 40-Gb/s CO-OFDM system. The proposed configuration for nonlinear cancellation is systematically depicted in transmission links with lumped amplification. Numerical simulations are performed to demonstrate effectiveness. Simulation results show that mid-span spectral inversion (MSSI) can partially compensate for nonlinear distortions. Moreover, its optimized configuration can further improve system performances and increase nonlinear compensation effectiveness. Compared with MSSI, the maximal Q factor, nonlinear threshold, and transmission distance of optimized OPC configuration increase by over 1.6 dB, 2 dB, and 2 times, respectively.
引用
收藏
页数：5
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