Mid-infrared integrated photonics on the InP platform

Kevin Zhang; Dominik Burghart; Alex Gardanow; Rudolf Mayer; Ralf Meyer; Gerhard Böhm; Mikhail A. Belkin

doi:10.1117/12.2623822

25 May 2022 Mid-infrared integrated photonics on the InP platform

Kevin Zhang, Dominik Burghart, Alex Gardanow, Rudolf Mayer, Ralf Meyer, Gerhard Böhm, Mikhail A. Belkin

Author Affiliations +

Proceedings Volume PC12141, Semiconductor Lasers and Laser Dynamics X; PC121410E (2022) https://doi.org/10.1117/12.2623822
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

Photonic integrated circuits (PICs) operating in the mid-infrared spectral range (mid-IR, wavelengths in the range 3-15 micrometers) are of interest for a wide range of applications, including spectroscopy and sensing in the molecular fingerprint region, free-space communication in the atmospheric transparency windows, and infrared countermeasures. InGaAs/AlInAs/InP quantum cascade lasers (QCLs) have been established as the semiconductor laser platform of choice for many mid-IR applications. Efficient utilization of QCL-based mid-IR PICs is largely contingent upon reliability, operating powers, and efficiency of the integrated laser sources as well as the ease of fabrication and integration of the low-loss passive and active photonic components. From these considerations, the development of mid-IR PICs on the InP platform appears to be particularly promising as the platform enables monolithic integration of high-power laser sources and waveguides with transparency in the entire mid-IR spectral region. We will report on our progress in developing InP-based mid-IR PICs, including demonstrations of low-loss passive mid-IR photonic components, such as waveguides, ring resonators, and wavelength multiplexers in InGaAs/InP and their integration with QCLs.

Conference Presentation

Citation Download Citation

Kevin Zhang, Dominik Burghart, Alex Gardanow, Rudolf Mayer, Ralf Meyer, Gerhard Böhm, and Mikhail A. Belkin "Mid-infrared integrated photonics on the InP platform", Proc. SPIE PC12141, Semiconductor Lasers and Laser Dynamics X, PC121410E (25 May 2022); https://doi.org/10.1117/12.2623822

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