Large Optical Nonlinearity of Surface Plasmon Modes on Thin Gold Films

Alexander Huck, Dirk Witthaut, Shailesh Kumar, Anders S. Sorensen, Ulrik Lund Andersen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We investigate the optical nonlinear effects of a long-range surface plasmon polariton mode propagating on a thin gold film. These effects may play a key role in the design of future nanophotonic circuits as they allow for the realization of active plasmonic elements. We demonstrate a significant enhancement of the transmission on a timescale below a millisecond as well as a phase shift exceeding 2π already for modest peak powers of 150 mW. On the contrary, slow effects suppress the transmission on a millisecond timescale.
Original languageEnglish
JournalPlasmonics
Volume8
Issue number4
Pages (from-to)1597-1605
Number of pages9
ISSN1557-1955
DOIs
Publication statusPublished - 2013

Keywords

  • Long-range surface plasmon polariton
  • Gold stripe
  • Nonlinear optics

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