DocumentCode
1423635
Title
Multi-diode cascade VCSEL with 130% differential quantum efficiency at CW room temperature operation
Author
Knödl, T. ; Golling, M. ; Straub, A. ; Ebeling, K.J.
Author_Institution
Dept. of Optoelectron., Ulm Univ., Germany
Volume
37
Issue
1
fYear
2001
fDate
1/4/2001 12:00:00 AM
Firstpage
31
Lastpage
33
Abstract
The room temperature, continuous-wave (CW) operation of a fabricated multi-diode cascade vertical-cavity surface-emitting laser at 980 nm wavelength, with a differential quantum efficiency exceeding unity, is demonstrated for the first time. A maximum wallplug efficiency of 16%, is obtained at a driving current of three times the threshold
Keywords
laser beams; laser cavity resonators; molecular beam epitaxial growth; optical fabrication; semiconductor lasers; surface emitting lasers; 130 percent; 16 percent; 298 K; 980 nm; CW room temperature operation; continuous-wave operation; differential quantum efficiency; driving current; fabrication; laser threshold; maximum wallplug efficiency; multi-diode cascade VCSEL; multi-diode cascade vertical-cavity surface-emitting laser; room temperature operation;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20010040
Filename
894347
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