Spatio-temporal characteristics of filamentation in broad-area semiconductor lasers: Experimental results

被引：22
|
作者：
Marciante, JR [1 ]
Agrawal, GP
机构：
[1] USAF, Res Lab, DELS, Directed Energy Directorate, Kirtland AFB, NM 87117 USA
[2] Univ Rochester, Inst Opt, Rochester, NY 14627 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1998年 / 10卷 / 01期
关键词：
beam filamentation; broad-area lasers; dynamics; laser stability; optical propagation in nonlinear media; semiconductor lasers; spatio-temporal instabilities;
D O I：
10.1109/68.651101
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：
We experimentally study the spatial and temporal characteristics of filamentation in broad-area semiconductor lasers, Near-field measurements show that the spacing between filaments decreases as either the pumping level or the linewidth-enhancement factor is increased, Spectral measurements reveal that spatial filaments are accompanied by periodic or chaotic temporal variations, Our experimental results show excellent qualitative agreement with a theory based on a linear stability analysis of the rate equations for an infinitely wide stripe laser.
引用
收藏
页码：54 / 56
页数：3
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