Infrared and Laser Engineering, Volume. 51, Issue 3, 20220197(2022)
Photonics integration of mid-infrared quantum cascade laser (Invited)
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.
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Chunfan Zhu, Xiangeng Wang, Xiang Wang, Ruijun Wang. Photonics integration of mid-infrared quantum cascade laser (Invited)[J]. Infrared and Laser Engineering, 2022, 51(3): 20220197
Category: Special issue-Mid-infrared integrated optoelectronic technology
Received: Mar. 17, 2022
Accepted: --
Published Online: Apr. 8, 2022
The Author Email: Wang Ruijun (wangrj26@mail.sysu.edu.cn)