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

页码：54 / 56

页数：3

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