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Broadband room temperature strong coupling between quantum dots and metamaterials

Indukuri, Chaitanya and Yadav, Ravindra Kumar and Basu, JK (2017) Broadband room temperature strong coupling between quantum dots and metamaterials. In: NANOSCALE, 9 (32). pp. 11418-11423.

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Official URL: http://doi.org/10.1039/c7nr03008h

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.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 16 Sep 2017 05:43
Last Modified: 25 Feb 2019 10:35
URI: http://eprints.iisc.ac.in/id/eprint/57806

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