Enhanced quadrupolar second-harmonic generation from rough gold films

F. X. Wang, F. J. Rodríguez, Willem M. Albers, M. Kauranen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review


The nonlinear optical response of gold films of different thicknesses is investigated by two-beam second-harmonic generation to address the role of surface and bulk effects in their second-order nonlinear optical response.
Preliminary results suggest that both types of effects contribute to the measured second-harmonic signals.
Furthermore, both effects are found to be enhanced for the thin film with a higher level of nanoscale surface roughness.
Original languageEnglish
Title of host publicationProceedings of SPIE
Subtitle of host publicationNanophotonics III
PublisherInternational Society for Optics and Photonics SPIE
ISBN (Print)978-0-8194-8185-6
Publication statusPublished - 2010
MoE publication typeA4 Article in a conference publication
EventNanophotonics III - Brussels, Belgium
Duration: 12 Apr 201016 Apr 2010

Publication series

SeriesProceedings of SPIE


ConferenceNanophotonics III


  • Metal nanostructures
  • Multipole effects
  • Second-harmonic generation
  • Surface-enhanced effects

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