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Date
2011-09-13Type
- Journal Article
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Abstract
We investigate the nonlinear optical response of a noble metal surface. We derive the components of the third-order nonlinear susceptibility and determine an absolute value of chi((3)) approximate to 0.2nm(2) V-2, a value that is more than two orders of magnitude larger than the values found for typical nonlinear laser crystals. Using nonlinear four-wave mixing (4WM) with incident laser pulses of frequencies omega(1) and omega(2), we generate fields oscillating at the nonlinear frequency omega(4WM) = 2 omega(1) - omega(2). We identify and discuss three distinct regimes: (i) a regime where the 4WM field is propagating, (ii) a regime where it is evanescent, and (iii) a regime where the nonlinear response couples to surface plasmon polaritons. Show more
Publication status
publishedExternal links
Journal / series
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering SciencesVolume
Pages / Article No.
Publisher
The Royal SocietySubject
Nonlinear optics; Four-wave mixing; Nonlinear plasmonics; Nonlinear frequency mixing; Metamaterials; NanophotonicsOrganisational unit
09698 - Quidant, Romain / Quidant, Romain
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Show all metadata
Citations
Cited 25 times in
Web of Science
Cited 24 times in
Scopus
ETH Bibliography
no
Altmetrics