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5 March 2021 Mid-infrared frequency combs based on semiconductor lasers
Benedikt Schwarz, Maximilian Beiser, Sandro Dal Cin, Johannes Hillbrand, Nikola Opacak, Gottfried Strasser, Harald Schneider, Marco Piccardo, Federico Capasso, Robert Weih
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Proceedings Volume 11705, Novel In-Plane Semiconductor Lasers XX; 117050S (2021) https://doi.org/10.1117/12.2582492
Event: SPIE OPTO, 2021, Online Only
Abstract
Frequency combs are ideal candidates to realize miniaturized spectrometers without moving parts and hence are of great interest for integrated photonics. Here, an overview on the generation electrically pumped optical frequency combs on integrated platforms using semiconductor lasers. This includes self-starting generation of frequency modulated combs in quantum cascade laser in the 8um and interband cascade lasers in the 3-4um wavelength region, respectively. Furthermore, we will discuss how to integrate efficient high-speed modulators in these devices in order to facilitate the generation of picosecond pulses.
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Benedikt Schwarz, Maximilian Beiser, Sandro Dal Cin, Johannes Hillbrand, Nikola Opacak, Gottfried Strasser, Harald Schneider, Marco Piccardo, Federico Capasso, and Robert Weih "Mid-infrared frequency combs based on semiconductor lasers", Proc. SPIE 11705, Novel In-Plane Semiconductor Lasers XX, 117050S (5 March 2021); https://doi.org/10.1117/12.2582492
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KEYWORDS
Frequency combs
Semiconductor lasers
Mid-IR
Quantum cascade lasers
Integrated optics
Integrated photonics
Modulation
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