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Issue 32, 2017
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Broadband room temperature strong coupling between quantum dots and metamaterials

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Abstract

Herein, we report the first demonstration of room temperature enhanced light–matter coupling in the visible regime for metamaterials using cooperative coupled quasi two dimensional quantum dot assemblies located at precise distances from the hyperbolic metamaterial (HMM) templates. The non-monotonic variation of the magnitude of strong coupling, manifested in terms of strong splitting of the photoluminescence of quantum dots, can be explained in terms of enhanced LDOS near the surface of such metamaterials as well as the plasmon mediated super-radiance of closely spaced quantum dots (QDs). Our methodology of enhancing broadband, room temperature, light–matter coupling in the visible regime for metamaterials opens up new possibilities of utilising these materials for a wide range of applications including QD based thresholdless nanolasers and novel metamaterial based integrated photonic devices.

Graphical abstract: Broadband room temperature strong coupling between quantum dots and metamaterials

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Publication details

The article was received on 27 Apr 2017, accepted on 12 Jul 2017 and first published on 17 Jul 2017


Article type: Communication
DOI: 10.1039/C7NR03008H
Citation: Nanoscale, 2017,9, 11418-11423
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    Broadband room temperature strong coupling between quantum dots and metamaterials

    C. Indukuri, R. K. Yadav and J. K. Basu, Nanoscale, 2017, 9, 11418
    DOI: 10.1039/C7NR03008H

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