Surface plasmon-coupled emission on plasmonic Bragg gratings

Mana Toma, Koji Toma, Pavel Adam, Jirí Homola, Wolfgang Knoll, Jakub Dostálek

研究成果: Article査読

33 被引用数 (Scopus)

抄録

Surface plasmon-coupled emission (SPCE) from emitters in a close proximity to a plasmonic Bragg grating is investigated. In this study, the directional fluorescence emission mediated by Bragg-scattered surface plasmons and surface plasmons diffraction cross-coupled through a thin metallic film is observed by using the reverse Kretschmann configuration. We show that controlling of dispersion relation of these surface plasmon modes by tuning the refractive index at upper and lower interfaces of a dense sub-wavelength metallic grating enables selective reducing or increasing the intensity of the light emitted to certain directions. These observations may provide important leads for design of advanced plasmonic structures in applications areas of plasmon-enhanced fluorescence spectroscopy and nanoscale optical sources.

本文言語English
ページ(範囲)14042-14053
ページ数12
ジャーナルOptics Express
20
13
DOI
出版ステータスPublished - 2012 6月 18
外部発表はい

ASJC Scopus subject areas

  • 原子分子物理学および光学

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