Title :
Terahertz quantum cascade laser based on LO-phonon-scattering assisted depopulation
Author :
Williams, Benjamin S. ; Callebaut, Hans ; Kumar, Sushil ; Hu, Qing ; Reno, John L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Massachusetts Inst. of Technol., Cambridge, MA, UK
Abstract :
We report the development of a quantum cascade laser at the longest wavelength to date, /spl lambda/=87.2 m (3.44 THz), that uses longitudinal-optical phonon scattering for electron depopulation. Operating in pulsed mode, lasing is obtained up to sixty-four Kelvin.
Keywords :
infrared sources; laser modes; quantum cascade lasers; semiconductor lasers; 3.44 THz; 64 K; 87.2 m; depopulation; electron depopulation; lasing sixty-four Kelvin; longitudinal-optical phonon scattering; pulsed mode operation; terahertz quantum cascade laser; Electrons; Frequency; Laboratories; Laser modes; Optical pulses; Optical scattering; Particle scattering; Pulse measurements; Quantum cascade lasers; Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO '03. Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-748-2
