Homodyne phase-shift-keying systems: Past challenges and future opportunities

被引：84

作者：

Kazovsky, Leonid G. ^{[1
]}

Kalogerakis, Georgios ^{[1
]}

Shaw, Wei-Tao ^{[1
]}

机构：

[1] Stanford Univ, Dept Elect Engn, Stanford, CA 94305 USA

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2006年 / 24卷 / 12期

关键词：

coherent detection; homodyne detection; phase shift keying (PSK); receiver sensitivity; spectral efficiency;

D O I：

10.1109/JLT.2006.883692

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Homodyne phase-shift-keying systems can achieve the best receiver sensitivity and the longest transmission distance among all optical communication systems. This paper reviews recent research efforts in the field and examines future possibilities that might lead toward potential practical use of these systems. Additionally, phase estimation techniques based on feed-forward phase recovery and digital delay-lock loop approaches are examined, simulated, and compared.

引用

页码：4876 / 4884

页数：9

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