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17 March 2023 Thermal managment of integrated multi-emitter quantum cascade lasers platform
Dorota Pierścińska, Grzegorz Sobczak, Krzysztof Michalak, Joanna Branas, Aleksandr Kuźmicz, Kamil Pierscinski
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Proceedings Volume PC12440, Novel In-Plane Semiconductor Lasers XXII; PC124400B (2023) https://doi.org/10.1117/12.2651551
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Compact, multi-spectral laser sources emitting in the mid-infrared (mid-IR) are in high demand for applications. Integration of several multi-spectral, mid IR quantum cascade lasers on silicon-based waveguide platforms is a necessary step towards realization of functional and complex mid-infrared photonic integrated circuits. This paper focuses on the thermal aspects of integration of multi-spectral QCLs toward the integration of QCL chips on silicon-based platform. The experimental results registered by means of CCD-thermo-reflectance are supported by numerical simulations of heat dissipation. The effects of thermal cross-talk between individual emitters are presented and discussed, leading to design guidelines for placement of laser chips in mid-infrared integrated photonics systems.
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Dorota Pierścińska, Grzegorz Sobczak, Krzysztof Michalak, Joanna Branas, Aleksandr Kuźmicz, and Kamil Pierscinski "Thermal managment of integrated multi-emitter quantum cascade lasers platform", Proc. SPIE PC12440, Novel In-Plane Semiconductor Lasers XXII, PC124400B (17 March 2023); https://doi.org/10.1117/12.2651551
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KEYWORDS
Quantum cascade lasers
Mid-IR
CCD cameras
Silicon
Thermal effects
Thermography
Spectroscopy
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