The linewidth enhancement factor α of quantum dot semiconductor lasers

被引：108
|
作者：
Melnik, S
Huyet, G
机构：
[1] Natl Univ Ireland Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
[2] Natl Univ Ireland Univ Coll Cork, Dept Phys, Cork, Ireland
[3] PN Lebedev Phys Inst, Moscow 117924, Russia
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 07期
关键词：
D O I：
10.1364/OE.14.002950
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show that the various techniques commonly used to measure the linewidth enhancement factor can lead to different values when applied to quantum dot semiconductor lasers. Such behaviour is a direct consequence of the intrinsic capture/escape dynamics of quantum dot materials and of the free carrier plasma effects. This provides an explanation for the wide range of values experimentally measured and the linewidth re-broadening recently measured. (c) 2006 Optical Society of America.
引用
收藏
页码：2950 / 2955
页数：6
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