Title :
Simultaneous measurement of the electronic and lattice temperatures in GaAs quantum cascade lasers and their correlation with the optical performance
Author :
Spagnolo, Vincenzo ; Scamarcio, Gaetano ; Page, Hideaki ; Becker, Cyrille ; Sirtori, C.
Author_Institution :
Dipt. Interateneo di Fisica, Univ. Politecnico di Bari, Italy
Abstract :
We use micro-probe photoluminescence in continuous wave operating GaAs quantum cascade lasers to measure the lattice and electronic temperatures, which determine the electrical power dependence of the threshold current and the slope efficiency, respectively.
Keywords :
III-V semiconductors; electron probe analysis; gallium arsenide; photoluminescence; quantum cascade lasers; temperature measurement; GaAs; GaAs quantum cascade laser; continuous wave laser; electrical power dependency; electronic temperature measurement; lattice temperature measurement; micro-probe photoluminescence; slope efficiency; Electrons; Gallium arsenide; Lattices; Phonons; Photoluminescence; Quantum cascade lasers; Tellurium; Temperature dependence; Thermal resistance; Threshold current;
Conference_Titel :
Lasers and Electro-Optics Europe, 2003. CLEO/Europe. 2003 Conference on
Print_ISBN :
0-7803-7734-6
DOI :
10.1109/CLEOE.2003.1312224
