Strong coupling in molecular exciton-plasmon Au nanorod array systems

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Title: Strong coupling in molecular exciton-plasmon Au nanorod array systems
Authors: Fedele, StefanoHakami, ManalMurphy, AntonyPollard, RobertRice, James H.
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Date: Feb-2016
Online since: 2017-01-30T15:46:51Z
Abstract: We demonstrate here strong coupling between localized surface plasmon modes in self-standing nanorods with excitons in a molecular J-aggregate layer though angular tuning. The enhanced exciton−plasmon coupling creates a Fano like line shape in the differential reflection spectra associated with the formation of hybrid states, leading to anti-crossing of the upper and lower polaritons with a Rabi frequency of 125 meV. The recreation of a Fano like line shape was found in photoluminescence demonstrating changes in the emission spectral profile under strong coupling.
Funding Details: Science Foundation Ireland
Funding Details: Engineering and Physical Sciences Research Council (EPSRC-UK)
Type of material: Journal Article
Publisher: AIP Publishing
Journal: Applied Physics Letters
Volume: 108
Issue: 5
Copyright (published version): 2016 AIP Publishing LLC
Keywords: Nanorod arrayExcitonsPorphyrinsStrong couplingReflectionPhotoluminescenceRaman
DOI: 10.1063/1.4941078
Language: en
Status of Item: Peer reviewed
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Appears in Collections:Physics Research Collection

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