Transport and optical response of molecular junctions driven by surface plasmon polaritons

Maxim Sukharev, Michael Galperin

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47 Scopus citations

Abstract

We consider a biased molecular junction subjected to external time-dependent electromagnetic field. The field for two typical junction geometries (bowtie antennas and metal nanospheres) is calculated within finite-difference time-domain technique. Time-dependent transport and optical response of the junctions is calculated within nonequilibrium Green's-function approach expressed in a form convenient for description of multilevel systems. We present numerical results for a two-level (highest occupied molecular orbital-lowest unoccupied molecular orbital) model and discuss influence of localized surface plasmon-polariton modes on transport.

Original languageEnglish (US)
Article number165307
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume81
Issue number16
DOIs
StatePublished - Apr 7 2010

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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