CORRELATION-MEASUREMENTS OF INTENSITY NOISE FROM THE 2 FACETS OF DFB LASERS DURING LINEWIDTH REBROADENING

被引：2
|
作者：
GOOBAR, E
RIGOLE, PJ
SCHATZ, R
机构：
[1] Royal Institute of Technology (KTH), Department of Microwave Engineering
来源：
ELECTRONICS LETTERS | 1992年 / 28卷 / 16期
关键词：
LASERS;
D O I：
10.1049/el:19920979
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 method to experimentally verify the importance of non-symmetrical fluctuations of the longitudinal intensity distribution is proposed and tested on several DFB lasers. This is based on the measurement of correlation between the intensity noise from the two laser facets. The results indicate that such fluctuations, probably due to weak sidemode suppression, can play an important role in linewidth rebroadening. Linewidth floors were observed at high output powers without any noticeable correlation.
引用
收藏
页码：1542 / 1543
页数：2
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