TITLE

Experimental determination of the relation between modal gain and current density for AlGaAs single quantum well lasers grown by metalorganic vapor phase epitaxy

AUTHOR(S)
Hagen, S. H.; van ’t Blik, H. F. J.; Boermans, M. J. B.; Eppenga, R.
PUB. DATE
June 1988
SOURCE
Applied Physics Letters;6/13/1988, Vol. 52 Issue 24, p2015
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The relation between modal gain and current density has been determined for a 20 Ã… single quantum well in a graded-index separate-confinement heterostructure laser. The measurements were performed at 153 K in order to avoid leakage of carriers out of the wells which might cause an apparent saturation of the gain. A sublinear dependence of gain on current density has been observed, agreeing rather well with theoretical calculations taking band mixing into account.
ACCESSION #
9827067

 

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