Anomalous spectral shifts in plasmonic nano-cavities

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Title: Anomalous spectral shifts in plasmonic nano-cavities
Authors: Demetriadou, A
Lombardi, A
Mertens, J
Hess, O
Baumberg, J
Aizpurua, J
Item Type: Conference Paper
Abstract: Nanoplasmonics have the ability to confine light in extremely small nano-cavities. We show using a theoretical model, numerical calculations and measurements that for these tightly-coupled nanoplasmonic structures, the correlation between the field enhancement (near- field) resonance and the radiative (far-field) resonance breaks down. This dissociation is determined by the nanocavity’s geometry. The anomalous behaviour of plasmonic nanocavities is of significant importance for active and quantum plasmonics, where extreme nano-cavities are essential to observe strong coupling.
Issue Date: 25-Jul-2016
Date of Acceptance: 22-Apr-2016
URI: http://hdl.handle.net/10044/1/39276
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
IE151097
EP/L027151/1
Conference Name: META’16, The 7th International Conference on Metamaterials, Photonic Crystals and Plasmonics
Start Date: 2016-07-25
Finish Date: 2016-07-28
Conference Place: Malaga, Spain
Appears in Collections:Condensed Matter Theory
Physics
Faculty of Natural Sciences



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