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Document type:
Zeitschriftenaufsatz 
Author(s):
Jirauschek, C.; Lugli, P. 
Title:
Limiting factors for high temperature operation of THz quantum cascade lasers 
Abstract:
We theoretically investigate the temperature performance of GaAs-based resonant phonon depopulation THz quantum cascade lasers, using an ensemble Monte Carlo simulation which includes both carrier-carrier and carrier-phonon scattering. By evaluating the temperature dependence of the different carrier transport paths, we identify the factors restricting high temperature operation. As a major detrimental effect, a strongly increased occupation of the lower laser level is found due to a less effici...    »
 
Journal title:
physica status solidi (c) Volume 5, Issue 1, pages 221–224, January 2008 
Year:
2008 
Year / month:
2008-01 
Quarter:
1. Quartal 
Month:
Jan 
Pages contribution:
221 - 224 
Language:
en 
Fulltext / DOI:
Publisher:
WILEY-VCH Verlag GmbH & Co. KGaA