Electroluminescence of injection lasers based on vertically coupled quantum dots near the lasing threshold View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2003-01

AUTHORS

N. Yu. Gordeev, S. V. Zaitsev, L. Ya. Karachinsky, V. I. Kopchatov, I. I. Novikov, V. M. Ustinov, P. S. Kop’ev

ABSTRACT

Electroluminescence spectroscopy has been used in a wide range of temperatures (77–300 K) and driving current densities to study a laser heterostructure based on vertically coupled self-assembled InGaAs quantum dots (QD). It has been found that lasing occurs via the QD ground state in the entire temperature range. The temperature-independent position of the emission peak corresponding to the second excited state in QDs is explained. More... »

PAGES

112-114

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/1.1538549

DOI

http://dx.doi.org/10.1134/1.1538549

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1027359758


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