How grooves reflect and confine surface plasmon polaritons

The reflection of surface plasmon polaritons by deep linear grooves structured into gold surfaces is investigated with numerical finite-difference-in-time-domain as well as boundary-element-method calculations. Groove widths of 25 and 100 nm are studied, with depths as large as 500 nm. The reflectio...

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Detalles Bibliográficos
Autores: Kuttge, Martin., García de Abajo, Francisco Javier, Polman, A.
Tipo de recurso: artículo
Fecha de publicación:2009
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/63549
Acceso en línea:http://hdl.handle.net/10261/63549
Access Level:acceso abierto
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spelling How grooves reflect and confine surface plasmon polaritonsKuttge, Martin.García de Abajo, Francisco JavierPolman, A.The reflection of surface plasmon polaritons by deep linear grooves structured into gold surfaces is investigated with numerical finite-difference-in-time-domain as well as boundary-element-method calculations. Groove widths of 25 and 100 nm are studied, with depths as large as 500 nm. The reflection depends strongly on wavelength, groove depth, and width. By systematically varying these parameters and studying the field profiles in the grooves as well as mode dispersion, we relate the resonances of the reflectivity to resonant coupling of propagating planar plasmon modes to cavity modes inside the grooves. By careful design of the groove width and depth the reflectivity can be tuned to values up to at least 30% for either a narrow or wide band of wavelengths. © 2009 Optical Society of America.This work is part of the research program of “Stichting voor Fundamenteel Onderzoek der Materie” (FOM), which is financially supported by the “Nederlandse Organisatie voor Wetenschappelijk Onderzoek” (NOW).” F.J.G.A. acknowledges support from the Spanish MEC (Contract No. MAT2007-66050).Peer ReviewedOptical Society of America2012201220092012info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/63549reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglésinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/635492026-05-22T06:33:51Z
dc.title.none.fl_str_mv How grooves reflect and confine surface plasmon polaritons
title How grooves reflect and confine surface plasmon polaritons
spellingShingle How grooves reflect and confine surface plasmon polaritons
Kuttge, Martin.
title_short How grooves reflect and confine surface plasmon polaritons
title_full How grooves reflect and confine surface plasmon polaritons
title_fullStr How grooves reflect and confine surface plasmon polaritons
title_full_unstemmed How grooves reflect and confine surface plasmon polaritons
title_sort How grooves reflect and confine surface plasmon polaritons
dc.creator.none.fl_str_mv Kuttge, Martin.
García de Abajo, Francisco Javier
Polman, A.
author Kuttge, Martin.
author_facet Kuttge, Martin.
García de Abajo, Francisco Javier
Polman, A.
author_role author
author2 García de Abajo, Francisco Javier
Polman, A.
author2_role author
author
description The reflection of surface plasmon polaritons by deep linear grooves structured into gold surfaces is investigated with numerical finite-difference-in-time-domain as well as boundary-element-method calculations. Groove widths of 25 and 100 nm are studied, with depths as large as 500 nm. The reflection depends strongly on wavelength, groove depth, and width. By systematically varying these parameters and studying the field profiles in the grooves as well as mode dispersion, we relate the resonances of the reflectivity to resonant coupling of propagating planar plasmon modes to cavity modes inside the grooves. By careful design of the groove width and depth the reflectivity can be tuned to values up to at least 30% for either a narrow or wide band of wavelengths. © 2009 Optical Society of America.
publishDate 2009
dc.date.none.fl_str_mv 2009
2012
2012
2012
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/63549
url http://hdl.handle.net/10261/63549
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Optical Society of America
publisher.none.fl_str_mv Optical Society of America
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,81155

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