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Document type:
Zeitschriftenaufsatz 
Author(s):
Jirauschek, C.; Scarpa, G.; Lugli, P.; Vitiello, M.S.; Scamarcio, G. 
Title:
Comparative analysis of resonant phonon THz quantum cascade lasers 
Abstract:
We present a comparative analysis of a set of GaAs-based THz quantum cascade lasers, based on longitudinal-optical phononscattering depopulation, by using an ensemble Monte Carlo simulation, including both carrier-carrier and carrier-phonon scattering. The simulation shows that the parasitic injection into the states below the upper laser level limits the injection efficiency and thus the device performance at the lasing threshold. Additional detrimental effects playing an important role are ide...    »
 
Keywords:
Phonons Monte Carlo methods Current density Quantum cascade lasers Carrier scattering 
Journal title:
J. Appl. Phys. 101, 086109 (2007) 
Year:
2007 
Language:
en 
Publisher:
AIP Publishing LLC.