Surface plasmon drag effect in a dielectrically modulated metallic thin film

Hiroyuki Kurosawa, Teruya Ishihara

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

We have experimentally and numerically investigated photoinduced voltage (PIV) effect across a Au film with a dielectric grating. We observed strongly enhanced voltage when surface plasmon polariton (SPP) is excited. It was found that electrons in the Au film are driven to the propagation direction of SPP. We have numerically shown that dissipative force called as scattering force well elucidates the experimental result for the first time. It is also clarified that this effect can be attributed to the momentum transfer from SPP to free carriers in the Au film. Thus the effect we observed can be called as surface plasmon drag effect in analogy with the photon drag effect.

Original languageEnglish
Pages (from-to)1561-1574
Number of pages14
JournalOptics Express
Volume20
Issue number2
DOIs
Publication statusPublished - 2012 Jan 16

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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