Modelling of Polarization-Dependent Loss in Plasmonic Nanowire Waveguides

Tiberiu Rosenzveig, Pétur Gordon Hermannsson, Kristjan Leosson

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We have investigated the potential of using gold nanowires embedded in a dielectric cladding environment as polarization-independent long-range surface plasmon polariton waveguides at telecom wavelengths. We performed finite-element analysis on various symmetric and close-tosymmetric cross-sectional geometries and evaluated the effects of cladding thickness on the propagation and coupling loss. The calculations confirm that fabrication of polarization-independent waveguides with reasonable tolerances is feasible and that straight-waveguide insertion losses around 1.5 dB for short (0.5 mm) devices can be realized when coupling to and from conventional dielectric waveguide geometries.
Original languageEnglish
JournalPlasmonics
Volume5
Issue number1
Pages (from-to)75-77
Number of pages3
ISSN1557-1955
DOIs
Publication statusPublished - 2010
Externally publishedYes

Keywords

  • Surface plasmons
  • Nanowires
  • Integrated optics

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