Anomalous spectral shifts in extreme plasmonic nano-cavities

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Title: Anomalous spectral shifts in extreme plasmonic nano-cavities
Authors: Demetriadou, A
Lombardi, A
Mertens, J
Hess, O
Aizpurua, J
Baumberg, J
Item Type: Conference Paper
Abstract: Nanoplasmonics have the ability to confine light in sub-wavelength cavities, with recent nano-fabrication developments allowing for the realization of nanometer and sub-nanometer plasmonic cavities. We show that for such extremely small nano-cavities, the correlation between the field enhancement resonance and the radiative (far-field) resonance breaks down. This dissociation dominated the excitation and interference of higher-order modes in these nano-cavities. We discuss and demonstrate the impact of this anomalous spectral behaviour for the strong coupling of quantum emitters with plasmonic nano-cavities, where it is imperative to have nanosized cavities.
Issue Date: 17-Sep-2016
Date of Acceptance: 1-Jun-2016
Copyright Statement: © the authors
Sponsor/Funder: Engineering & Physical Science Research Council (E
The Royal Society
Engineering and Physical Sciences Research Council
Funder's Grant Number: RG72590
Conference Name: The 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (Metamaterials 2016)
Publication Status: Accepted
Start Date: 2016-09-17
Finish Date: 2016-09-22
Conference Place: Chania, Crete, Greece
Appears in Collections:Condensed Matter Theory
Faculty of Natural Sciences

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