Effect of the bimodality of a QD array on the optical properties and threshold characteristics of QD lasers View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2015-08-02

AUTHORS

A. M. Nadtochiy, S. A. Mintairov, N. A. Kalyuzhnyy, S. S. Rouvimov, Yu. M. Shernyakov, A. S. Payusov, M. V. Maximov, A. E. Zhukov

ABSTRACT

Heterostructures with InGaAs quantum dots (QDs) are synthesized on vicinal GaAs (001) substrates. The photoluminescence (PL) spectra and threshold characteristics of edge-emitting QD lasers are studied in the temperature range 10-400 K. The structural properties of QDs are examined by transmission electron microscopy. Analysis of the PL spectra demonstrates the bimodality of the QD array, which leads to an unusual temperature behavior of the PL spectra and threshold current density. A model of the population of a bimodal QD array by carriers, describing the observed phenomena, is considered. More... »

PAGES

1090-1094

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s106378261508014x

DOI

http://dx.doi.org/10.1134/s106378261508014x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1001292207


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