Title :
High-temperature and high-power terahertz quantum cascade lasers
Author :
Williams, Benjamin S. ; Kumar, Sushil ; Qin, Qi ; Hu, Qing ; Reno, John L.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Massachusetts Inst. of Technol., Cambridge, MA
Abstract :
We report the demonstration of terahertz QCLs based on a two-phonon depopulation scheme, intended to improve the high-temperature performance, and also the demonstration of QCLs emitting 250 mW in pulsed mode at 4.3 THz
Keywords :
laser beams; quantum cascade lasers; submillimetre wave lasers; 250 mW; 4.3 THz; high-temperature performance; pulsed mode operation; terahertz quantum cascade lasers; two-phonon depopulation scheme; Current density; Laboratories; Optical devices; Optical pulses; Optical scattering; Optical waveguides; Particle scattering; Quantum cascade lasers; Resonance; Temperature;
Conference_Titel :
Lasers and Electro-Optics Society, 2006. LEOS 2006. 19th Annual Meeting of the IEEE
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-9555-7
Electronic_ISBN :
0-7803-9555-7
DOI :
10.1109/LEOS.2006.278907
