Temperature dependence of the gain profile for THz quantum cascade lasers

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dc.creatorNelander, Rikard
dc.creatorWacker, Andreas
dc.date2007-11-16
dc.date2008-02-19
dc.date.accessioned2026-07-07T09:44:24Z
dc.date.available2026-07-07T09:44:24Z
dc.descriptionWe study the rapid decrease of peak gain in resonant-phonon THz Quantum Cascade Lasers with increasing temperature. The effect of various microscopic scattering processes on the gain profile as a function of temperature is discussed. We argue that increased broadening, primarily due to increased impurity scattering, and not diminishing population inversion, is the main reason for the reduction of peak gain.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0711.2645
dc.identifierhttp://arxiv.org/abs/0711.2645
dc.identifierAppl. Phys. Lett. 92, 081102 (2008)
dc.identifierdoi:10.1063/1.2884686
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/162863
dc.subjectMesoscale and Nanoscale Physics
dc.titleTemperature dependence of the gain profile for THz quantum cascade lasers
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