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Article: Scattering of surface plasmon polaritons at abrupt surface interfaces: Implications for nanoscale cavities

TitleScattering of surface plasmon polaritons at abrupt surface interfaces: Implications for nanoscale cavities
Authors
Issue Date2007
PublisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prb/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2007, v. 76 n. 3, article no. 035408 How to Cite?
AbstractWe have developed a rigorous mode matching approach for the analysis of surface wave scattering at nonuniform semi-infinite dielectric-metal interfaces. An analytical derivation of the coupling coefficients between surface waves allows an efficient scattering matrix formulation to describe general structures with multiple interfaces. Using this, we resolve issues of accuracy and convergence of related approaches in the literature. Studies of the reflection, transmission, and radiation of surface plasmons incident on both dielectric and metallic surface discontinuities show a correspondence with an effective Fresnel description. We also model a surface plasmon distributed Bragg reflector (DBR) capable of reflecting between 80% and 90% of incident surface plasmon power. Radiation mode scattering ultimately limits the DBR's reflection performance rather than the intrinsic absorption of the metal. Thus, alternative plasmonic geometries that suppress radiation modes, such as gap and channel structures, could be superior for the design of strongly reflective DBRs for integration in high- Q -factor nanoscale cavities. We anticipate that this method will be a valuable tool for the efficient and intuitive design of plasmonic devices based on structural nonuniformities. © 2007 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/256947
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorOulton, R. F.-
dc.contributor.authorPile, D. F.P.-
dc.contributor.authorLiu, Y.-
dc.contributor.authorZhang, X.-
dc.date.accessioned2018-07-24T08:58:24Z-
dc.date.available2018-07-24T08:58:24Z-
dc.date.issued2007-
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2007, v. 76 n. 3, article no. 035408-
dc.identifier.issn1098-0121-
dc.identifier.urihttp://hdl.handle.net/10722/256947-
dc.description.abstractWe have developed a rigorous mode matching approach for the analysis of surface wave scattering at nonuniform semi-infinite dielectric-metal interfaces. An analytical derivation of the coupling coefficients between surface waves allows an efficient scattering matrix formulation to describe general structures with multiple interfaces. Using this, we resolve issues of accuracy and convergence of related approaches in the literature. Studies of the reflection, transmission, and radiation of surface plasmons incident on both dielectric and metallic surface discontinuities show a correspondence with an effective Fresnel description. We also model a surface plasmon distributed Bragg reflector (DBR) capable of reflecting between 80% and 90% of incident surface plasmon power. Radiation mode scattering ultimately limits the DBR's reflection performance rather than the intrinsic absorption of the metal. Thus, alternative plasmonic geometries that suppress radiation modes, such as gap and channel structures, could be superior for the design of strongly reflective DBRs for integration in high- Q -factor nanoscale cavities. We anticipate that this method will be a valuable tool for the efficient and intuitive design of plasmonic devices based on structural nonuniformities. © 2007 The American Physical Society.-
dc.languageeng-
dc.publisherAmerican Physical Society. The Journal's web site is located at http://journals.aps.org/prb/-
dc.relation.ispartofPhysical Review B (Condensed Matter and Materials Physics)-
dc.titleScattering of surface plasmon polaritons at abrupt surface interfaces: Implications for nanoscale cavities-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevB.76.035408-
dc.identifier.scopuseid_2-s2.0-34447313111-
dc.identifier.volume76-
dc.identifier.issue3-
dc.identifier.spagearticle no. 035408-
dc.identifier.epagearticle no. 035408-
dc.identifier.eissn1550-235X-
dc.identifier.isiWOS:000248500800128-

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