A combined scheme of polarization mode dispersion compensation and polarization de-multiplexing in a polarization division multiplexing system with direct detection

被引：1
|
作者：
Lin Jia-Chuan [1 ]
Xi Li-Xia [1 ]
Zhang Xia [1 ,2 ]
Tian Feng [1 ]
Liang Xiao-Chen [1 ]
Zhang Xiao-Guang [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Liaoning Univ, Key Lab Opt Commun Sci & Technol Shandong Prov, Liaocheng 252000, Peoples R China
来源：
ACTA PHYSICA SINICA | 2013年 / 62卷 / 11期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
polarization division multiplexing system; crosstalk; polarization mode dispersion; polarization de-multiplexing; PMD COMPENSATION; RZ-DQPSK; CROSSTALK;
D O I：
10.7498/aps.62.114209
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A model of polarization mode dispersion (PMD) and state of polarization (SOP) variation induced coherent crosstalk is established in a polarization division multiplexing system. The properties of radio frequency power of one channel in the presence of PMD are investigated. A combined scheme of PMD compensation and polarization de-multiplexing in optical domain is proposed, which is based on monitoring of the feedback signal of RF power. A modified particle swarm optimization algorithm is also used for the adaptive polarization control. The validity of the PMD compensation and polarization de-multiplexing scheme proposed here is demonstrated in a 112Gb/s-PDM-DQPSK simulation system. Results show that the PMD tolerance of the transmission system is increased by 20 ps with 1 dB OSNR margin and the channel separation is accomplished as well.
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页数：8
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