PSK OPTICAL HOMODYNE DETECTION USING EXTERNAL CAVITY LASER-DIODES IN COSTAS LOOP

被引：27
|
作者：
NORIMATSU, S [1 ]
IWASHITA, K [1 ]
SATO, K [1 ]
机构：
[1] NIPPON TELEGRAPH & TEL PUBL CORP, OPTOELECTR LABS, ATSUGI, KANAGAWA 24301, JAPAN
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1990年 / 2卷 / 05期
关键词：
D O I：
10.1109/68.54710
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：
PSK homodyne detection requires very narrow spectral linewidth light sources. For future applications, it is important to achieve phase lock operation with broader linewidth laser diodes. Costas loops with broad bandwidths can tolerate a broader linewidth requirement than other loops. Costas loop operation (≈ = 3.8 Mrad/s) is demonstrated by 5 Gb/s PSK homodyne detection, using 80 kHz beat linewidth external cavity laser diodes, and a receive sensitivity of 93 photon/bit is experimentally obtained. © 1990 IEEE
引用
收藏
页码：374 / 376
页数：3
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