A NOVEL ANALYTICAL EXPRESSION OF SENSITIVITY TO EXTERNAL OPTICAL FEEDBACK FOR DFB SEMICONDUCTOR-LASERS

被引：8

作者：

HIRONO, T

KUROSAKI, T

FUKUDA, M

机构：

[1] NTT Opto-electronics Laboratories, Atsugi-shi, Kanagawa

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1992年 / 28卷 / 12期

关键词：

D O I：

10.1109/3.166457

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：

Abstract-A novel analytical expression for DFB laser sensitivity to external optical feedback is derived based on coupled-wave theory. The expression reveals that the sensitivity is proportional to the ratio between the output power from the reflector-side facet and the magnitude of Lagrangian of the electromagnetic field in the cavity. The simplicity of the expression helps in estimating the sensitivity of DFB lasers with complex cavity structures.

引用

收藏

页码：2674 / 2677

页数：4

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