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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 18 — Sep. 15, 2004
  • pp: 2157–2159

Nanolayer parametric instability in near-field optics

J. Y. Hsu  »View Author Affiliations


Optics Letters, Vol. 29, Issue 18, pp. 2157-2159 (2004)
http://dx.doi.org/10.1364/OL.29.002157


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Abstract

Parametric decay of electromagnetic waves into two Langmuir oscillations near the quarter critical density is suggested as being attributable to an enhanced electric field and to surface-enhanced Raman scattering in near-field optics. A nanolayer of silver aggregates localizes the wave in the evanescent region to a one-wavelength span and results in a wave-number mismatch as well as in a reduced growth rate. The fastest-growing mode has a growth rate that scales with the square root of the nanolayer's thickness.

© 2004 Optical Society of America

OCIS Codes
(000.6800) General : Theoretical physics
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.5890) Nonlinear optics : Scattering, stimulated
(240.6680) Optics at surfaces : Surface plasmons

Citation
J. Y. Hsu, "Nanolayer parametric instability in near-field optics," Opt. Lett. 29, 2157-2159 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-18-2157


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