Coupling of surface plasmon polaritons and light in metallic nanoslits

K. G. Lee, Q Han Park

Research output: Contribution to journalArticle

160 Citations (Scopus)

Abstract

We clarify the nature of coupling between surface plasmon polaritons (SPP) and transmitted light in metallic nanoslit structures. The coupling strength is found to be the product of the geometric opening ratio, the aperture momentum, and the Fabry-Perot factor. We determine the effective coupling, which includes corrections due to other SPPs, and show that this effective coupling causes enhanced transmission with redshifted or blueshifted transmission peaks. Without coupling, SPP is proven to suppress transmission due to the equipartition of diffraction orders. These results show good agreement with experiment.

Original languageEnglish
Article number103902
JournalPhysical Review Letters
Volume95
Issue number10
DOIs
Publication statusPublished - 2005 Sep 2

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polaritons
apertures
momentum
causes
products
diffraction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Coupling of surface plasmon polaritons and light in metallic nanoslits. / Lee, K. G.; Park, Q Han.

In: Physical Review Letters, Vol. 95, No. 10, 103902, 02.09.2005.

Research output: Contribution to journalArticle

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