Spectral dependence of the linewidth enhancement factor in quantum dot lasers View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2013-12-11

AUTHORS

F. I. Zubov, Yu. M. Shernyakov, M. V. Maximov, A. E. Zhukov, D. A. Livshits, A. S. Payusov, A. M. Nadtochiy, A. V. Savelyev, N. V. Kryzhanovskaya, N. Yu. Gordeev

ABSTRACT

The spectral analysis of amplified spontaneous emission is used to determine the linewidth enhancement factor (α-factor) in lasers based on InAs/InGaAs quantum dots (QDs) in a wide spectral range near the ground-state optical transition energy. The effect of the pump current and number of QDs on the spectral dependences of the α-factor is examined. The temperature dependence of the spectra of the α-factor is experimentally determined for the first time for lasers with InAs/InGaAs QDs. An explanation is suggested for the observed anomalous decrease in the α-factor with increasing temperature. More... »

PAGES

1656-1660

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1063782613120233

DOI

http://dx.doi.org/10.1134/s1063782613120233

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1022621107


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