TITLE

Emission wavelength of AlGaAs-GaAs multiple quantum well lasers

AUTHOR(S)
Blood, P.; Fletcher, E. D.; Hulyer, P. J.; Smowton, P. M.
PUB. DATE
April 1986
SOURCE
Applied Physics Letters;4/28/1986, Vol. 48 Issue 17, p1111
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have recorded spontaneous emission spectra from multiple quantum well lasers grown by molecular beam epitaxy with 25-Ã…-wide GaAs wells by opening a window in the top contact stripe. These spectra have a low-energy tail and consequently the gain spectra derived from them show that laser emission occurs at a lower photon energy than the lowest energy confined particle transition. The observed laser wavelength and threshold current are consistent with the position of the peak in the gain spectrum.
ACCESSION #
9819663

 

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