Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure

Zheyu Fang, Yanwei Lu, Linran Fan, Chenfang Lin, Xing Zhu

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The surface plasmon polariton (SPP) coupling and enhancement in silver nanowire-nanoantenna structure is proposed and simulated by using finite difference time domain method. The results demonstrate that three-arm antenna can effectively enhance the coupling efficiency at the incident end and the SPP field intensity at the emission end. The enhancement factor, which is defined as the ratio of the SPP field intensity at the emission end with and without the three-arm antenna, for the various antenna arm lengths and incident wavelengths under different incident angles are calculated. The suggested structure can be served as an enhanced plasmonic waveguide for the nanophotonic and plasmonic circuits in the future.

Original languageEnglish (US)
Pages (from-to)57-62
Number of pages6
JournalPlasmonics
Volume5
Issue number1
DOIs
StatePublished - Mar 1 2010
Externally publishedYes

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Nanowires
Silver

Keywords

  • Metal optics
  • Subwavelength structure
  • Surface plasmon polariton
  • Waveguide

ASJC Scopus subject areas

  • Biotechnology
  • Biophysics
  • Biochemistry

Cite this

Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure. / Fang, Zheyu; Lu, Yanwei; Fan, Linran; Lin, Chenfang; Zhu, Xing.

In: Plasmonics, Vol. 5, No. 1, 01.03.2010, p. 57-62.

Research output: Contribution to journalArticle

Fang, Zheyu ; Lu, Yanwei ; Fan, Linran ; Lin, Chenfang ; Zhu, Xing. / Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure. In: Plasmonics. 2010 ; Vol. 5, No. 1. pp. 57-62.
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