Title :
Recent progress on long wavelength quantum cascade lasers between 1-2 THz
Author :
Scalari, G. ; Walther, C. ; Fischer, M. ; Amanti, M.I. ; Terazzi, R. ; Hoyler, N.
Author_Institution :
Univ. of Neuchatel, Neuchatel
Abstract :
We report operation of quantum cascade lasers at low THz frequencies ranging from 2.0 THz down to 0.84 THz. Different lasing schemes based on bound-to-continuum and intra- well optical transitions are demonstrated.
Keywords :
quantum cascade lasers; intra- well optical transitions; lasing schemes; long wavelength quantum cascade lasers; Absorption; Electrons; Frequency; Laser transitions; Optical design; Optical pulses; Optical scattering; Quantum cascade lasers; Quantum well lasers; Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE
Conference_Location :
Lake Buena Vista, FL
Print_ISBN :
978-1-4244-0925-9
Electronic_ISBN :
1092-8081
DOI :
10.1109/LEOS.2007.4382627