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17 March 2020 Ultrafast gain dynamics in quantum cascade lasers: new coherent phenomena and their applications (Conference Presentation)
Federico Capasso
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Proceedings Volume 11301, Novel In-Plane Semiconductor Lasers XIX; 1130115 (2020) https://doi.org/10.1117/12.2548650
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
Thanks to their ultrafast gain dynamics, a unique feature among semiconductor lasers, quantum cascade lasers exhibit strong coherent oscillations of the population inversion with concomitant formation of mode skipping frequency combs (harmonic state) and time dependent spatial hole burning leading to new microwave transmitters (laser-radios). Finally we show that the frequency comb formation in QCLs obeys a simple variational principle, that relies on the maximization of the laser output power.
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Federico Capasso "Ultrafast gain dynamics in quantum cascade lasers: new coherent phenomena and their applications (Conference Presentation)", Proc. SPIE 11301, Novel In-Plane Semiconductor Lasers XIX, 1130115 (17 March 2020); https://doi.org/10.1117/12.2548650
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KEYWORDS
Quantum cascade lasers
Semiconductor lasers
Solid state electronics
Solid state lasers
Ultrafast phenomena
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