High-performance quantum cascade lasers: physics and applications

Jerome Faist; Daniel Hofstetter; Mattias Beck; Thierry Aellen; Michel Rochat; Stephane Blaser

doi:10.1117/12.467957

22 May 2002 High-performance quantum cascade lasers: physics and applications

Jerome Faist, Daniel Hofstetter, Mattias Beck, Thierry Aellen, Michel Rochat, Stephane Blaser

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Proceedings Volume 4651, Novel In-Plane Semiconductor Lasers; (2002) https://doi.org/10.1117/12.467957
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

Physics and applications of recent quantum cascade laser active region designs are discussed. Specifically, the use of bound-to-continuum and two-phonon resonance active regions for high temperature, high duty cycle operation is reviewed. Threshold current densities as low as 3kA/cm² at T=300K, operation with a peak power of 90mW at 425K, and single mode, high power operation up to temperatures above 330K at (lambda) approximately equals 16micrometers are demonstrated. QC lasers able to operate at high duty cycles (50%) on a Peltier cooler were used in a demonstration of a 300MHz free space optical link between two buildings separated by 350m.

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Jerome Faist, Jerome Faist, Daniel Hofstetter, Daniel Hofstetter, Mattias Beck, Mattias Beck, Thierry Aellen, Thierry Aellen, Michel Rochat, Michel Rochat, Stephane Blaser, Stephane Blaser, "High-performance quantum cascade lasers: physics and applications", Proc. SPIE 4651, Novel In-Plane Semiconductor Lasers, (22 May 2002); doi: 10.1117/12.467957; https://doi.org/10.1117/12.467957

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