MODE-INSTABILITY AND LINEWIDTH REBROADENING IN DFB LASERS

被引:22
|
作者
OLESEN, H
TROMBORG, B
LASSEN, HE
PAN, X
机构
[1] TFL Telecommunications Research Laboratory, DK-2970 Hørsholm
关键词
LASERS; STABILITY;
D O I
10.1049/el:19920280
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
Results of a detailed linewidth theory for DFB lasers are presented. We show that fluctuations in the longitudinal distributions of photon and carrier densities can have a significant effect on the linewidth. A new type of linewidth rebroadening is identified, which is attributed to modal instability. This may explain the rebroadening observed in cases with high sidemode suppression.
引用
收藏
页码:444 / 446
页数:3
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