TITLE

Ultralow-threshold graded-index separate-confinement single quantum well buried heterostructure (Al,Ga)As lasers with high reflectivity coatings

AUTHOR(S)
Derry, Pamela L.; Yariv, Amnon; Lau, Kam Y.; Bar-Chaim, Nadav; Lee, Kevin; Rosenberg, Jan
PUB. DATE
June 1987
SOURCE
Applied Physics Letters;6/22/1987, Vol. 50 Issue 25, p1773
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Unlike conventional semiconductor lasers, single quantum well lasers with high reflectively coatings have dramatically reduced threshold currents as a result of the smaller volume of the (active) quantum well region. A cw threshold current of 0.95 mA was obtained for a buried graded-index separate-confinement heterostructure single quantum well laser with facet reflectivities of ∼70%, a cavity length of 250 μm, and an active region stripe width of 1 μm.
ACCESSION #
9823292

 

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