TITLE

Spectral and dynamic characteristics of buried-heterostructure single quantum well (Al,Ga)As lasers

AUTHOR(S)
Derry, P. L.; Chen, T. R.; Zhuang, Y. H.; Paslaski, J.; Mittelstein, M.; Vahala, K.; Yariv, A.
PUB. DATE
July 1988
SOURCE
Applied Physics Letters;7/25/1988, Vol. 53 Issue 4, p271
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We demonstrate that, as predicted, (Al,Ga)As single quantum well (SQW) lasers have substantially narrower spectral linewidths than bulk double-heterostructure lasers. We have observed a further major reduction (>3×) in the linewidth of these SQW lasers when the facet reflectivities are enhanced. This observation is explained theoretically on the basis of the very low losses in coated SQW lasers and the value of the spontaneous emission factor at low threshold currents. We also report on the modulation frequency response parameter of these SQW lasers.
ACCESSION #
9827537

 

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