Super-radiant mode in InAs—monolayer–based Bragg structures

We report direct experimental evidence of the collective super-radiant mode in Bragg structure containing 60 InAs monolayer-based quantum wells (QWs) periodically arranged in GaAs matrix. Time-resolved photoluminescence measurements reveal an appearance of the additional super-radiant mode, originat...

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Bibliographic Details
Published in:	Scientific reports Vol. 5; no. 1; p. 14911
Main Authors:	Pozina, G., Kaliteevski, M. A., Nikitina, E. V., Denisov, D. V., Polyakov, N. K., Pirogov, E. V., Goray, L. I., Gubaydullin, A. R., Ivanov, K. A., Kaliteevskaya, N. A., Egorov, A. Yu, Clark, S. J.
Format:	Journal Article
Language:	English
Published:	London Nature Publishing Group UK 12-10-2015 Nature Publishing Group
Subjects:	639/624/400/2797 639/624/400/385 639/766/119/995 Electromagnetism Humanities and Social Sciences Lasers Localization Luminescence multidisciplinary Photons Science
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Summary:	We report direct experimental evidence of the collective super-radiant mode in Bragg structure containing 60 InAs monolayer-based quantum wells (QWs) periodically arranged in GaAs matrix. Time-resolved photoluminescence measurements reveal an appearance of the additional super-radiant mode, originated from coherent collective interaction of QWs. This mode demonstrates a super-linear dependence of the intensity and radiative decay rate on the excitation power. The super-radiant mode is not manifested in the case if only a small number of QWs is excited.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 These authors contributed equally to this work.
ISSN:	2045-2322 2045-2322
DOI:	10.1038/srep14911