Tapered quantum cascade lasers operating at 9.0μm

被引：0

作者：

高瑜 ^{[1
]}

刘峰奇 ^{[1
]}

刘俊岐 ^{[1
]}

李路 ^{[2
]}

王利军 ^{[1
]}

王占国 ^{[1
]}

机构：

[1] Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences

[2] Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China

来源：

Journal of Semiconductors | 2010年 / 31卷 / 03期

基金：

中国国家自然科学基金;

关键词：

quantum cascade lasers; InGaAs/InAlAs/InP; tapered; 9.0μm;

D O I：

暂无

中图分类号：

TN248 [激光器];

学科分类号：

0803 ; 080401 ; 080901 ;

摘要：

The tapered quantum cascade lasers operating at about 9.0μm are reported.In contrast to the common ridge waveguide laser,tapered devices give rather small horizontal beam divergence.Performances of devices with identical 11μm ridge waveguide sections and different tapered gain sections are comparatively studied.The optimal taper angle of 3°leads to a relative high output power and a very small horizontal beam divergence of 7.1°.

引用

页码：66 / 69

页数：4

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