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Super-radiant mode in InAs-monolayer-based Bragg structures.


ABSTRACT: 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.

SUBMITTER: Pozina G 

PROVIDER: S-EPMC4601070 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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