Title :
Effect of interface roughness scattering on performance of indirectly-pumped terahertz quantum cascade lasers
Author :
Razavipour, S.G. ; Dupont, Emmanuel ; Wasilewski, Zbigniew R. ; Ban, D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of WaterlooWaterloo, Waterloo, ON, Canada
Abstract :
The effect of interface roughness scattering on performance of indirectly-pumped terahertz quantum cascade lasers is studied and a dual-barrier structure is proposed to improve its performance in terms of threshold current density and operating temperature.
Keywords :
current density; interface roughness; light scattering; optical pumping; quantum cascade lasers; dual-barrier structure; indirectly-pumped terahertz quantum cascade lasers; interface roughness scattering; threshold current density; Electric fields; Oscillators; Performance evaluation; Quantum cascade lasers; Scattering; Threshold current;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
