Photonics integration of mid-infrared quantum cascade laser (Invited)

被引：0

作者：

Zhu C. ^{[1
]}

Wang X. ^{[1
]}

Wang R. ^{[1
]}

机构：

[1] School of Electronic and Information Technology, Sun Yat-sen University, Guangzhou

来源：

Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering | 2022年 / 51卷 / 03期

关键词：

Mid-infrared; Optical sensing; Photonics integration; Quantum cascade laser; Silicon photonics;

D O I：

10.3788/IRLA20220197

中图分类号：

学科分类号：

摘要：

Mid-infrared photonic integrated circuits have been attracting a lot of interest for applications in environmental monitoring, medical diagnosis and national defense. However, the integration of laser sources with low-loss mid-infrared waveguide circuits is challenging. Quantum cascade lasers (QCLs) are important semiconductor laser sources operating in the mid-infrared spectral range. In this review paper, the research progress of the photonics integration of mid-infrared QCLs in recent years was introduced. Several different approaches were reviewed, including monolithic integration on InP, monolithic integration on silicon, heterogeneous integration on silicon and III-V/Germanium hybrid external cavity laser. Copyright ©2022 Infrared and Laser Engineering. All rights reserved.

引用

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