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Title:

Limiting factors for high temperature operation of THz quantum cascade lasers

Document type:
Zeitschriftenaufsatz
Author(s):
Jirauschek, C.; Lugli, P.
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 2008-01
Year:
2008
Year / month:
2008-01
Quarter:
1. Quartal
Month:
Jan
Pages contribution:
221 - 224
Language:
en
Fulltext / DOI:
doi:10.1002/pssc.200776566
WWW:
http://onlinelibrary.wiley.com/doi/10.1002/pssc.200776566/abstract
Publisher:
WILEY-VCH Verlag GmbH & Co. KGaA
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