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17 March 2023 Ring quantum cascade lasers as versatile photonic components for the mid-infrared
Dmitry Kazakov, Theodore P. Letsou, Nikola Opačak, Maximillian Beiser, Sandro Dal Cin, Lorenzo L. Columbo, Massimo Brambilla, Franco Prati, Luigi Lugiato, Marco Piccardo, Benedikt Schwarz, Federico Capasso
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Proceedings Volume PC12440, Novel In-Plane Semiconductor Lasers XXII; PC124400I (2023) https://doi.org/10.1117/12.2647068
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
Monolithic ring Quantum Cascade Lasers (QCLs) have recently emerged as a new platform for frequency comb generation in the mid-infrared with immediate applications in molecular gas spectroscopy and photonic generation of stable coherent sub-THz tones. In this talk I will show that depending on the way they are driven, ring QCLs can act as carrier generators, integrated intensity modulators, tunable filters, and on-chip optical amplifiers. The natural predisposition of these components to photonic integration opens a route to compact mid-infrared WDM transceivers for free space optical links and miniaturized 2D IR spectrometers.
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Dmitry Kazakov, Theodore P. Letsou, Nikola Opačak, Maximillian Beiser, Sandro Dal Cin, Lorenzo L. Columbo, Massimo Brambilla, Franco Prati, Luigi Lugiato, Marco Piccardo, Benedikt Schwarz, and Federico Capasso "Ring quantum cascade lasers as versatile photonic components for the mid-infrared", Proc. SPIE PC12440, Novel In-Plane Semiconductor Lasers XXII, PC124400I (17 March 2023); https://doi.org/10.1117/12.2647068
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KEYWORDS
Quantum cascade lasers
Mid-IR
Molecular spectroscopy
Molecular photonics
Optical amplifiers
Spectrometers
Spectroscopy
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