Performance comparison of optical 8-ary differential phase-shift keying systems with different electrical decision schemes

被引：29

作者：

Yoon, H ^{[1
]}

Lee, D ^{[1
]}

Park, N ^{[1
]}

机构：

[1] Seoul Natl Univ, Sch Elect Engn & Comp Sci, Opt Commun Syst Lab, Seoul 151744, South Korea

来源：

OPTICS EXPRESS | 2005年 / 13卷 / 02期

关键词：

D O I：

10.1364/OPEX.13.000371

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We examine the performance of optical 8-ary differential phase-shift keying transmission systems according to the type of receiver structure and modulation format. Compared with the approach based on a multilevel decision, we found that a bilevel receiver provides 3-dB gain in optical signal-to-noise ratio sensitivity and is more robust against chromatic dispersion for either nonreturn-to-zero or return-to-zero modulation. (C) 2005 Optical Society of America.

引用

页码：371 / 376

页数：6

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