Enhanced optical transmission mediated by localized plasmons in anisotropic, three-dimensional nanohole arrays

Jiun Chan Yang, Hanwei Gao, Jae Yong Suh, Wei Zhou, Min Hyung Lee, Teri W. Odom

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

This paper describes three-dimensional (3D) nanohole arrays whose high optical transmission is mediated more by localized surface plasmon (LSP) excitations than by surface plasmon polaritons (SPPs). First, LSPs on 3D hole arrays lead to optical transmission an order of magnitude higher than 2D planar hole arrays. Second, LSP-mediated transmission is broadband and more tunable than SPP-enhanced transmission, which is restricted by Bragg coupling. Third, for the first time, two types of surface plasmons can be selectively excited and manipulated on the same plasmonic substrate. This new plasmonic substrate fabricated by high-throughput nanolithography techniques paves the way for cutting-edge optoelectronic and biomedical applications.

Original languageEnglish
Pages (from-to)3173-3178
Number of pages6
JournalNano letters
Volume10
Issue number8
DOIs
Publication statusPublished - Aug 11 2010

Keywords

  • Nanohole array
  • enhanced optical transmission
  • localized surface plasmon
  • molding
  • plasmonics
  • surface plasmon polariton

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

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