Are there novel resonances in nanoplasmonic structures due to nonlocal response?

Publication: Research - peer-reviewConference article – Annual report year: 2012

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In tiny metallic nanostructures, quantum confinement and nonlocal response change the collective plasmonic behaviour with resulting important consequences for e.g. field-enhancement and extinction cross sections. Here we report on nonlocal resonances in the hydrodynamical Drude model for plasmonic nanostructures that have no counterpart in the local-response Drude model. Even though there are no additional resonances in the visible due to nonlocal response, plasmonic field enhancements are affected by nonlocal response. We present both analytical results for simple geometries and our numerical implementation for arbitrary geometries, and address computational issues related to the several length scales involved.
Original languageEnglish
JournalProceedings of SPIE, the International Society for Optical Engineering
Publication date2012
Volume8260
Pages82601E
ISSN0277-786X
DOIs
StatePublished

Conference

ConferenceSPIE Photonics West
CountryUnited States
CitySan Francisco, California
Period21/01/1226/01/12
CitationsWeb of Science® Times Cited: 0

Keywords

  • Nanoplasmonics, Nonlocal response, Hydrodynamical Drude model, Field enhancement, COMSOL
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