標題: EFFECT OF POLARIZATION MODE DISPERSION ON A COHERENT OPTICAL-SYSTEM WITH PILOT CARRIER
作者: KAO, MS
WU, JS
電信工程研究所
Institute of Communications Engineering
公開日期: 1-Feb-1993
摘要: The effect of fiber polarization mode dispersion (PMD) on a coherent optical system with pilot carrier is twofold. First, the PMD causes state of polarization (SOP) mismatch between the message signal and pilot carrier. Second, the degrees of polarization (DOP) of the message signal and pilot carrier are degraded by PMD. Because coherent reception relies both on the SOP's and DOP's of the waves, system performance is degraded by PMD. The effect of SOP mismatch causes intermediate frequency (IF) signal amplitude degradation whereas DOP variation not only results in IF signal amplitude degradation but further induces IF noises. Here we derive analytical expressions to evaluate the performance degradation. It is shown that there is no performance degradation if only one principle state of polarization is excited and maximum degradation occurs when both principle states of polarization are equally excited. We also find that significant degradation may happen when large differential group delay exists.
URI: http://dx.doi.org/10.1109/50.212542
http://hdl.handle.net/11536/3138
ISSN: 0733-8724
DOI: 10.1109/50.212542
期刊: JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume: 11
Issue: 2
起始頁: 303
結束頁: 308
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