On the nature of the linewidth enhancement factor in p-doped quantum dash based lasers

被引：6
|
作者：
Joshi, Siddharth [1 ]
Chimot, Nicolas [1 ]
Ramdane, Abderrahim [2 ]
Lelarge, Francois [1 ]
机构：
[1] 3 5 Lab, F-91460 Marcoussis, France
[2] LPN CNRS, F-91460 Marcoussis, France
来源：
APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 24期
关键词：
DYNAMIC CHARACTERISTICS; DOT; GAIN;
D O I：
10.1063/1.4904831
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
P-doped quantum dash based lasers have shown superior dynamic performance as compared to their un-doped counterparts. This improvement in performance is strongly observed in line-width enhancement factor. These devices show a dramatic reduction in the alpha(H) parameter, resulting in very low chirp. This letter discusses the nature line-width enhancement factor of p-doped quantum dash lasers as opposed to un-doped counterparts. Owing to the p-doping a low and bias-stable alpha parameter is demonstrated. (C) 2014 AIP Publishing LLC.
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页数：3
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