Dual-wavelength switchable, mid-infrared quantum cascade laser with two shallow-etched distributed Bragg reflectors

被引：5

作者：

Guan, Yanjiao ^{[1
,2
]}

Wang, Lijun ^{[1
,2
]}

Zhuo, Ning ^{[1
]}

Zhang, Jinchuan ^{[1
]}

Zhai, Shenqiang ^{[1
]}

Liu, Junqi ^{[1
,2
]}

Liu, Shuman ^{[1
,2
]}

Liu, Fengqi ^{[1
,2
,3
]}

机构：

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

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China

来源：

OPTICS EXPRESS | 2021年 / 29卷 / 24期

基金：

中国国家自然科学基金;

关键词：

Quantum cascade lasers;

D O I：

10.1364/OE.442507

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

YA dual-wavelength quantum cascade laser (QCL) with two shallow-etched distributed Bragg reflectors is designed and fabricated. Based on a heterogeneous active region within a single waveguide, single-mode emission at 7.6 mu m and 8.2 mu m was achieved. The two wavelengths can be independently controlled by selective current injection on different regions of the device, which are electrically isolated. High optical powers of about 275mW and 218mW at room temperature were obtained for the single-mode emission at 7.6 mu m and 8.2 mu m, respectively. The presented design concept for high power, dual-wavelength switchable, mid-infrared QCLs is significant in developing miniaturized multi-species gas detection systems. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：39376 / 39383

页数：8

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