Title :
In-situ active region temperature measurement for THz quantum cascade lasers
Author :
Fathololoumi, S. ; Ban, D. ; Luo, H. ; Dupont, E. ; Laframboise, S.R. ; Boucherif, A. ; Liu, H.C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Waterloo, Waterloo, ON
Abstract :
The active region temperature of THz quantum cascade lasers during continuous-wave operation was measured using interband photoluminescence technique. The active region was found to be ~40 K above heat sink temperature at maximum THz power output.
Keywords :
photoluminescence; quantum cascade lasers; submillimetre wave lasers; THz quantum cascade lasers; active region temperature; continuous-wave operation; heat sink; interband photoluminescence; Heat sinks; Laser modes; Mirrors; Optical resonators; Photoluminescence; Power lasers; Quantum cascade lasers; Semiconductor lasers; Substrates; Temperature measurement; (140.0140) Lasers and Laser Optics; (140.5965) Semiconductor lasers, quantum cascade;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
