Auger optimization in mid-infrared lasers: the importance of final-state optimization

被引：13

作者：

Flatte, ME ^{[1
]}

机构：

[1] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA

[2] Univ Illinois, Dept Phys MC 273, Chicago, IL 60607 USA

来源：

OPTICS EXPRESS | 1998年 / 2卷 / 04期

关键词：

D O I：

10.1364/OE.2.000131

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We consider the effect of reducing the density of final hole states for Auger processes on the Auger rate at room temperature and 77K at densities near lasing thresholds. The system of interest is a strain-compensated superlattice based on the InAs/GaInSb material system with a 3.7 mu m band gap. At 77K the Auger lifetime is reduced by two orders of magnitude, while the change at 300K is less than a factor of two. We conclude that final-state optimization in this particular structure, while pronounced at 77K, has little effect at 300K. (C) 1998 Optical Society of America.

引用

页码：131 / 136

页数：6

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