Title :
Limiting Factors for High Temperature Operation of THz Quantum Cascade Lasers
Author :
Jirauschek, Christian ; Lugli, Paolo
Author_Institution :
Tech. Univ. Munchen, Munich
Abstract :
We theoretically investigate the temperature dependence of the carrier transport in GaAs-based THz quantum cascade lasers and identify the factors restricting high-temperature operation. In this context, we compare a single- to a double-resonant-phonon depopulation design.
Keywords :
III-V semiconductors; gallium arsenide; quantum cascade lasers; GaAs; THz quantum cascade lasers; carrier transport; double-resonant-phonon depopulation design; Current density; Electrons; Laser theory; Lattices; Optical design; Optical scattering; Particle scattering; Phonons; Quantum cascade lasers; Temperature;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453163
