Surface plasmon polariton excitation by second harmonic generation in single organic nanofibers

Paw Simesen, Thomas Søndergaard, Esben Skovsen, Jacek Fiutowski, Horst-Günter Rubahn, Sergey I. Bozhevolnyi, Kjeld Pedersen

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Abstract

Coherent local excitation of surface plasmon polaritons (SPPs) by second-harmonic generation (SHG) in individual aligned crystalline organic functionalized para-phenylene nanofibers deposited on a thin silver film is demonstrated. The SH-SPP generation is considered theoretically and investigated experimentally with angular-resolved leakage radiation spectroscopy for normal incidence of the excitation beam. Both measurements and simulations show asymmetric excitation of left- and right-propagating SH-SPPs, which is explained as an effect of fiber molecules being oriented at an angle relative to the silver film surface.
Original languageEnglish
JournalOptics Express
Volume23
Issue number12
Pages (from-to)16356-16363
ISSN1094-4087
DOIs
Publication statusPublished - 11. Jun 2015

Keywords

  • Harmonic generation and mixing
  • Nonlinear optics at surfaces
  • Surface plasmons
  • Plasmonics

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