Analysis of external optical feedback characteristics of asymmetric, quarter-wave-shifted, distributed-feedback semiconductor lasers

被引：4

作者：

Alam, MF ^{[1
]}

Karim, MA ^{[1
]}

Islam, S ^{[1
]}

机构：

[1] BANGLADESH UNIV ENGN & TECHNOL,FAC ELECT & ELECT ENGN,DHAKA 1000,BANGLADESH

来源：

APPLIED OPTICS | 1997年 / 36卷 / 18期

关键词：

semiconductor laser; distributed feedback; external optical feedback; noise in optical communication; coupled-wave theory; coupled cavity;

D O I：

10.1364/AO.36.004131

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

External optical feedback sensitivity is analyzed for a quarter-wave-shifted, index-coupled, distributed-feedback semiconductor laser with asymmetries in reflectivity of facets and in the position of a lambda/4 phase shift. Proper asymmetric structures can withstand higher levels of external optical feedback compared with symmetric structures. However, the mode discrimination and yield are reduced for asymmetric lasers because of statistical variation of the corrugation phases at the reflecting facets. (C) 1997 Optical Society of America.

引用

页码：4131 / 4137

页数：7

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