Influence of surface plasmon polaritons on light transmission through metallic nanoslits

Q Han Park, K. G. Lee, D. S. Kim

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

We clarify the positive and the negative roles of a surface plasmon polariton in light transmission through metallic nanoslit/hole structures. While conventional surface plasmon polaritons suppress the transmission due to the equipartition of diffraction orders, we show that "radiation dressed" surface plasmon polaritons (DSPP) mediate the extraordinary transmission. We determine the coupling strength of DSPP to radiation as a product of the geometric opening ratio, the aperture momentum, and the Fabry-Perot factor and show that the coupling can cause red, blue, or even bi-chromatic shifts of DSPP peaks. The relations between Fabry-Perot and the surface plasmonic resonances as well as slit v.s. hole structures are explained.

Original languageEnglish
Pages (from-to)2075-2079
Number of pages5
JournalJournal of the Korean Physical Society
Volume49
Issue number5 I
Publication statusPublished - 2006 Nov 1

Fingerprint

light transmission
polaritons
radiation
slits
apertures
momentum
causes
shift
products
diffraction

Keywords

  • Metallic nanostructure
  • Surface plasmon polariton

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Influence of surface plasmon polaritons on light transmission through metallic nanoslits. / Park, Q Han; Lee, K. G.; Kim, D. S.

In: Journal of the Korean Physical Society, Vol. 49, No. 5 I, 01.11.2006, p. 2075-2079.

Research output: Contribution to journalArticle

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AB - We clarify the positive and the negative roles of a surface plasmon polariton in light transmission through metallic nanoslit/hole structures. While conventional surface plasmon polaritons suppress the transmission due to the equipartition of diffraction orders, we show that "radiation dressed" surface plasmon polaritons (DSPP) mediate the extraordinary transmission. We determine the coupling strength of DSPP to radiation as a product of the geometric opening ratio, the aperture momentum, and the Fabry-Perot factor and show that the coupling can cause red, blue, or even bi-chromatic shifts of DSPP peaks. The relations between Fabry-Perot and the surface plasmonic resonances as well as slit v.s. hole structures are explained.

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