Low-frequency fluctuation in multimode semiconductor laser subject to optical feedback

被引：0
|
作者：
张旭
叶会英
宋兆欣
机构：
[1] Information Engineering College of Zhengzhou University
[2] Information Engineering College of Zhengzhou University Zhengzhou 450052
来源：
Chinese Optics Letters | 2008年 / 02期
基金：
中国国家自然科学基金;
关键词：
mode; Low-frequency fluctuation in multimode semiconductor laser subject to optical feedback;
D O I：
暂无
中图分类号：
TN25 [波导光学与集成光学];
学科分类号：
0702 ; 070207 ;
摘要：
Dynamics of a semiconductor laser subject to moderate optical feedback operating in the low-frequency fluctuation regime is numerically investigated.Multimode Lang-Kobayashi(LK)equations show that the low-frequency intensity dropout including the total intensity and sub-modes intensity is accompanied by sudden dropout simultaneously,which is in good agreement with experimental observation.The power fluctuation is quite annoying in practical applications,therefore it becomes important to study the mech- anism of power fluctuation.It is also shown that many factors,such as spontaneous emission noise and feedback parameter,may influence power fluctuation larger than previously expected.
引用
收藏
页码：120 / 123
页数：4
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