TITLE

Influence of coupling effect in the operation of vertically coupled quantum-dot lasers

AUTHOR(S)
Shi, B.; Xie, Y. H.
PUB. DATE
June 2003
SOURCE
Applied Physics Letters;6/30/2003, Vol. 82 Issue 26, p4788
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The influence of the coupling effect in the operation of vertically coupled quantum-dot lasers is studied by solving coupled rate equations including the terms representing carrier coupling between vertically stacked quantum dots. The calculation results show a much narrower spectral width above the lasing threshold compared with the uncoupled case. The single-mode output power is also enhanced by the coupling effect, especially when there is a large fluctuation in dot size.
ACCESSION #
10106471

 

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