Title :
Experimental measurement of the wall-plug efficiency in THz quantum cascade lasers
Author :
Vitiello, Miriam Serena ; Scamarcio, Gaetano ; Spagnolo, Vincenzo
Author_Institution :
Univ. di Bari, Bari
Abstract :
The wall-plug efficiency and the thermal resistance of bound-to-continuum THz quantum-cascade lasers are extracted from the analysis of micro-probe photoluminescence spectra, via the direct measurement of the lattice temperature as a function of the electrical-power.
Keywords :
photoluminescence; quantum cascade lasers; THz quantum cascade lasers; lattice temperature; micro-probe photoluminescence spectra; thermal resistance; wall-plug efficiency; Biomedical optical imaging; Immune system; Infrared spectra; Optical devices; Optical superlattices; Optical waveguides; Quantum cascade lasers; Semiconductor lasers; Temperature; Thermal resistance;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453165
