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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 17, Iss. 4 — Apr. 1, 2000
  • pp: 593–599

Surface-plasmon–polariton excitation of optical microcavities and second-harmonic emission

Klaus M. Engenhardt and Stephen Gregory  »View Author Affiliations


JOSA B, Vol. 17, Issue 4, pp. 593-599 (2000)
http://dx.doi.org/10.1364/JOSAB.17.000593


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Abstract

We have created microscopic Fabry–Perot optical resonator cavities between the flattened end of a tunneling microscope tip and a semitransparent metal film. Power is transferred to cavity modes from a laser beam by means of surface-plasmon–polariton generation and subsequent radiative decay. We compare the dependence of the axial emission from these modes on cavity length and on the angle of incidence with the predictions of a stratified-medium model. The mode structure has a finesse that approaches the theoretical limit. At high incident power, second-harmonic radiation produced by weakly localized surface-plasmon–polaritons is also coupled into the cavity and detected in axial emission.

© 2000 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(190.2620) Nonlinear optics : Harmonic generation and mixing
(240.4350) Optics at surfaces : Nonlinear optics at surfaces
(240.6680) Optics at surfaces : Surface plasmons

Citation
Klaus M. Engenhardt and Stephen Gregory, "Surface-plasmon–polariton excitation of optical microcavities and second-harmonic emission," J. Opt. Soc. Am. B 17, 593-599 (2000)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-17-4-593

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