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High-performance bound-to-continuum quantum-cascade lasers for broad-gain applications

Authors :
Wittmann, Andreas
Gresch, Tobias
Gini, Emilio
Hvozdara, Lubos
Hoyler, Nicolas
Giovannini, Marcella
Faist, Jerome
Source :
IEEE Journal of Quantum Electronics. Jan-Feb, 2008, Vol. 44 Issue 1-2, p36, 5 p.
Publication Year :
2008

Abstract

A high performance continuous-wave (CW) quantum-cascade laser based on the bound-to-continuum active region design is presented. An internal differential quantum efficiency of 71 percent and a wallplug efficiency of 2.0 percent are observed at 30 degree Celsius.

Details

Language :
English
ISSN :
00189197
Volume :
44
Issue :
1-2
Database :
Gale General OneFile
Journal :
IEEE Journal of Quantum Electronics
Publication Type :
Academic Journal
Accession number :
edsgcl.174974399