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13 March 2024 Towards the mid-infrared equivalent of a VCSEL
David Stark, Filippos Kapsalidis, Sergej Markmann, Mathieu Bertrand, Bahareh Marzban, Emilio Gini, Mattias Beck, Jérôme Faist
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Proceedings Volume PC12905, Novel In-Plane Semiconductor Lasers XXIII; PC129050P (2024) https://doi.org/10.1117/12.3002190
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
A crucial element for the next generation of portable gas sensors for high-volume applications, especially involving chemical sensing of important greenhouse and pollutant gases, is the development of a low-cost, low-power consuming, single-frequency laser operating in the mid-infrared spectral range. In this regard, we propose the implementation of a Quantum Cascade Surface Emitting Laser (QCSEL). Our design involves a linear microcavity with high reflectivity coated end-mirrors and a buried semiconductor diffraction grating to extract the light from the surface.
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David Stark, Filippos Kapsalidis, Sergej Markmann, Mathieu Bertrand, Bahareh Marzban, Emilio Gini, Mattias Beck, and Jérôme Faist "Towards the mid-infrared equivalent of a VCSEL", Proc. SPIE PC12905, Novel In-Plane Semiconductor Lasers XXIII, PC129050P (13 March 2024); https://doi.org/10.1117/12.3002190
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KEYWORDS
Quantum cascade lasers
Mid-IR
Vertical cavity surface emitting lasers
Power consumption
Emission wavelengths
Gas sensors
Miniaturization
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