Single-mode GaAs/AlGaAs quantum cascade microlasers

被引：0

作者：

Gao Yu ^{[1
]}

Liu Junqi ^{[1
]}

Liu Fengqi ^{[1
]}

Zhang Wei ^{[1
]}

Zhang Quande ^{[1
]}

Liu Wanfeng ^{[1
]}

Li Lu ^{[1
]}

Wang Lijun ^{[1
]}

Wang Zhanguo ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China

来源：

JOURNAL OF SEMICONDUCTORS | 2009年 / 30卷 / 11期

关键词：

quantum cascade lasers; GaAs/AlGaAs; single-mode emission; short cavity length;

D O I：

10.1088/1674-4926/30/11/114007

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Single-mode edge emitting GaAs/AlGaAs quantum cascade microlasers at a wavelength of about 11.4 mu m were realized by shortening the Fabry-Perot cavity length. The spacing of the longitudinal resonator modes is inversely proportional to the cavity length. Stable single-mode emission with a side mode suppression ratio of about 19 dB at 85 K for a 150-mu m-long device was demonstrated.

引用

页数：4

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