Measurement of chirp parameter and modulation index of a semiconductor laser based on optical spectrum analysis

被引：14
|
作者：
Zhang, Tao [1 ]
Zhu, Ning Hua [1 ]
Zhang, Bang Hong [1 ]
Zhang, Xin [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Integrated Optoelect, Inst Semicond, Beijing 100083, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2007年 / 19卷 / 2-4期
基金：
中国国家自然科学基金;
关键词：
chirp parameter; frequency modulation (FM); intensity modulation (IM); optical spectrum; semiconductor lasers;
D O I：
10.1109/LPT.2006.890724
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 novel and simple method for measuring the chirp parameter, frequency, and intensity modulation indexes of directly modulated lasers is proposed in a small-signal modulation scheme. A graphical approach is presented. An analytical solution to the measurement of low chirp parameters is also given. The measured results agree well with those obtained using the conventional methods.
引用
收藏
页码：227 / 229
页数：3
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