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Nanotechnology. 2012 Feb 17;23(6):065701. doi: 10.1088/0957-4484/23/6/065701. Epub 2012 Jan 17.

Plasmonic electromagnetically induced transparency in metallic nanoparticle-quantum dot hybrid systems.

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  • 1Department of Physics and Astronomy, University of Western Ontario, London, Ontario, Canada.

Abstract

We study the variation of the energy absorption rate in a hybrid semiconductor quantum dot-metallic nanoparticle system doped in a photonic crystal. The quantum dot is taken as a three-level V-configuration system and is driven by two applied fields (probe and control). We consider that one of the excitonic resonance frequencies is near to the plasmonic resonance frequency of the metallic nanoparticle, and is driven by the probe field. The other excitonic resonance frequency is far from both the plasmonic resonance frequency and the photonic bandgap edge, and is driven by the control field. In the absence of the photonic crystal we found that the system supports three excitonic-induced transparencies in the energy absorption spectrum of the metallic nanoparticle. We show that the photonic crystal allows us to manipulate the frequencies of such excitonic-induced transparencies and the amplitude of the energy absorption rate.

PMID:
22248503
[PubMed]
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