PMD and PDL impairments in polarization division multiplexing signals with direct detection

被引：38
作者：
Wang, Zinan [1 ,2 ]
Xie, Chongjin [2 ]
Ren, Xiaomin [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Opt Commun & Lightwave Technol, Beijing 100876, Peoples R China
[2] Bell Labs, Holmdel, NJ 07733 USA
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 10期
关键词：
INDUCED COHERENT CROSSTALK; DEPENDENT LOSS; MODE DISPERSION; PERFORMANCE DEGRADATION; TRANSMISSION; TOLERANCE; SYSTEMS; QPSK;
D O I：
10.1364/OE.17.007993
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate polarization mode dispersion (PMD) and polarization dependent loss (PDL) impairments in polarization division multiplexing (PDM) signals with optical polarization demultiplexing and direct detection. We find that the time alignment between the bits in the two polarizations has a significant impact on the PMD impairments, and PMD impairments also depend on the bandwidth of PDM signals, whereas PDL impairments have little dependence on the relative time alignment between the two polarizations and the signal bandwidth. We show that with a proper configuration of the polarization demultiplexing, the PDL-induced crosstalk between the two polarizations can be completely eliminated. The combined effects of PMD and PDL are also studied, and we find that, in the presence of concatenated PMD and PDL, the impairment from one effect does not enhance that from the other. (C) 2009 Optical Society of America
引用
收藏
页码：7993 / 8004
页数：12
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