High-efficiency interband cascade lasers with peak power exceeding 4 W/facet

被引：50
作者：
Bradshaw, JL [1 ]
Yang, RQ [1 ]
Bruno, JD [1 ]
Pham, JT [1 ]
Wortman, DE [1 ]
机构：
[1] USA, Res Lab, Adelphi, MD 20783 USA
来源：
APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 16期
关键词：
D O I：
10.1063/1.125015
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Mid-IR (3.8-3.9 mu m) interband cascade lasers based on InAs/GaInSb type-II heterostructures have been demonstrated at temperatures up to 210 K. From several lasers at temperatures above 100 K, we observed a slope greater than 750 mW/A per facet corresponding to a differential external quantum efficiency exceeding 460%. Also, a peak optical output power exceeding 4 W/facet and peak power efficiency of 7% were observed from one laser at 80 K. (C) 1999 American Institute of Physics. [S0003-6951(99)04942-6].
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收藏
页码：2362 / 2364
页数：3
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