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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 16, Iss. 6 — Jun. 1, 1999
  • pp: 971–975

Reflected second-harmonic generation with coupled surface-plasmon modes in Ag/liquid/Ag layers

Qin Chen, X. Sun, I. R. Coddington, D. A. Goetz, and H. J. Simon  »View Author Affiliations


JOSA B, Vol. 16, Issue 6, pp. 971-975 (1999)
http://dx.doi.org/10.1364/JOSAB.16.000971


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Abstract

We observed enhanced reflected second-harmonic generation (SHG) that was due to coupled surface-plasmon modes in thin silver films separated with a liquid dielectric layer whose thickness may be continuously varied. The observed angular SHG spectra resulting from excitation of the coupled fundamental surface-plasmon modes are in reasonable agreement with a multilayer plane-wave theory. In contrast to the highly resonant SHG associated with the familiar long-range surface-plasmon mode, here the coupling of the surface modes decreases the SHG resonance because of the lossy nature of these new coupled modes.

© 1999 Optical Society of America

OCIS Codes
(190.4350) Nonlinear optics : Nonlinear optics at surfaces
(240.4350) Optics at surfaces : Nonlinear optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons

Citation
Qin Chen, X. Sun, I. R. Coddington, D. A. Goetz, and H. J. Simon, "Reflected second-harmonic generation with coupled surface-plasmon modes in Ag/liquid/Ag layers," J. Opt. Soc. Am. B 16, 971-975 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-6-971

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