PHASE-NOISE-INSENSITIVE COHERENT OPTICAL HETERODYNE CPFSK RECEIVER WITH LIMITER-DISCRIMINATOR DETECTOR

被引：0
|
作者：
ZHANG, XP
JIANG, PX
机构：
[1] Department of Radio Engineering, Beijing University of Posts & Telecommunications, Beijing
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1991年 / 3卷 / 06期
关键词：
D O I：
10.1109/68.91029
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：
A coherent optical heterodyne CPFSK receiver with limiter-discriminator (LD) detector, which cannot be degraded by quantum phase noise of lasers when the frequency deviation ratio h is equal to 1, will be proposed. The receiver can give the same bit error rate as the ideal digital DPSK system. In addition, 1/2 exp ( - SNR) can be considered as the upper bound of the minimum error rate of the CPFSK-LD detector.
引用
收藏
页码：543 / 544
页数：2
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