Title :
Surface emitting terahertz quantum cascade lasers
Author :
Schubert, Martin F. ; Rana, Farhan
Author_Institution :
Cornell Univ., Ithaca, NY, USA
Abstract :
Design and simulation results for surface-emitting terahertz quantum cascade lasers using phase-shifted second-order gratings are presented. Analysis shows performance superior to edge-emitting devices, with outcoupling efficiencies nearly twice as large, and narrow output beam widths.
Keywords :
diffraction gratings; laser cavity resonators; quantum cascade lasers; submillimetre wave lasers; surface emitting lasers; edge-emitting devices; outcoupling efficiency; phase-shifted second-order gratings; surface emitting terahertz quantum cascade lasers; Gratings; Laser beams; Laser modes; Optical design; Optical resonators; Optical surface waves; Optical waveguides; Quantum cascade lasers; Surface emitting lasers; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.201954
