Title :
High temperature continuous-wave operation of terahertz quantum cascade lasers
Author :
Kumar, Sushil ; Williams, Benjamin S. ; Kohen, Stephen ; Hu, Qing ; Reno, John L.
Author_Institution :
Deportment of Electr. Eng., MIT, Cambridge, MA, USA
Abstract :
We report continuous-wave operation of a quantum-cascade laser at 3.2 THz (/spl lambda/ /spl sim/ 94 /spl mu/m) up to a heat-sink temperature of 93 K. Optical powers of /spl sim/1.5 mW at 10 K and /spl sim/400 /spl mu/W at 78 K are observed.
Keywords :
infrared sources; quantum cascade lasers; submillimetre wave lasers; 1.5 mW; 10 K; 3.2 THz; 400 muW; 78 K; 93 K; 94 mum; continuous-wave operation; high temperature operation; quantum cascade lasers; terahertz lasers;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
