Title :
Resonant-phonon terahertz quantum cascade lasers at long wavelengths
Author :
Williams, Benjamin S. ; Kumar, Sushil ; Hu, Qing ; Reno, John L.
Author_Institution :
Dept. of Electr. Eng., MIT, Cambridge, MA, USA
Abstract :
We report a resonant-phonon terahertz quantum cascade laser at a wavelength of /spl lambda/ /spl ap/ 141 /spl mu/m (2.1 THz) that uses a low-loss, high-confinement metal-metal waveguide. Continuous wave operation is obtained up to 40 K.
Keywords :
infrared sources; optical losses; phonons; quantum cascade lasers; resonant states; submillimetre wave lasers; waveguide lasers; 141 mum; 2.1 THz; 40 K; continuous wave operation; high-confinement waveguide; long-wavelength lasers; low-loss waveguide; metal-metal waveguide; quantum cascade lasers; resonant-phonon lasers; terahertz lasers;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
