Title :
Scaling of micropillar array terahertz lasers into the subwavelength regime
Author :
Krall, M. ; Brandstetter, M. ; Deutsch, C. ; Detz, H. ; Andrews, A.M. ; Schrenk, W. ; Strasser, G. ; Unterrainer, K.
Author_Institution :
Photonics Inst., Vienna Univ. of Technol., Vienna, Austria
Abstract :
We demonstrate terahertz quantum cascade lasers based on arrays of subwavelength micropillar structures, corresponding to scaled-down photonic crystals. Stimulated emission is measured at 4 THz for devices operating in the effective medium regime of the photonic bands.
Keywords :
laser beams; photonic band gap; photonic crystals; quantum cascade lasers; semiconductor laser arrays; stimulated emission; effective medium regime; frequency 4 THz; micropillar array terahertz laser scaling; photonic bands; scaled-down photonic crystals; stimulated emission; subwavelength micropillar structure arrays; subwavelength regime; terahertz quantum cascade lasers; Arrays; Filling; Photonic crystals; Photonics; Quantum cascade lasers; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
