DocumentCode :
2923837
Title :
Terahertz heterostructure lasers
Author :
Tredicucci, Alessandm ; Köhler, Rüdeger ; Beltram, Fabio ; Beere, Harvey E. ; Linfield, Edmund H. ; Davies, A. Gdes ; Ritchie, David A. ; Iotti, Rita C. ; Rossi, Fausto
Author_Institution :
Scuola Normale Superiore, Pisa, Italy
Volume :
2
fYear :
2002
fDate :
10-14 Nov. 2002
Firstpage :
712
Abstract :
Quantum cascade lasers in GaAs/AlGaAs heterostructures are operated in the THz range, with peak powers of several mWs and thresholds of few hundred A/cm2 up to 60 K. Single-mode and continuous-wave emission are also achieved at 4.4 THz.
Keywords :
aluminium compounds; gallium arsenide; high-speed optical techniques; quantum cascade lasers; submillimetre wave lasers; 4.4 THz; 60 K; GaAs quantum well lasers; GaAs-AlGaAs; GaAs/AlGaAs heterostructures; THz range; continuous-wave emission; laser thresholds; peak powers; quantum cascade lasers; single mode emission; terahertz heterostructure lasers; Current density; Electron optics; Gallium arsenide; Laser transitions; Optical scattering; Optical superlattices; Optical waveguides; Particle scattering; Quantum cascade lasers; Semiconductor lasers;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
ISSN :
1092-8081
Print_ISBN :
0-7803-7500-9
Type :
conf
DOI :
10.1109/LEOS.2002.1159505
Filename :
1159505
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=2923837
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