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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2268–2272

Numerical optimization of a grating coupler for the efficient excitation of surface plasmons at an Ag SiO 2 interface

Jesse Lu, Csaba Petre, Eli Yablonovitch, and Josh Conway  »View Author Affiliations


JOSA B, Vol. 24, Issue 9, pp. 2268-2272 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002268


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Abstract

The efficient generation of surface plasmons from free-space optical waves is still an open problem in the field. Here we present a methodology and optimized design for a grating coupler. The photoexcitation of surface plasmons at an Ag SiO 2 interface is numerically demonstrated to yield a 50% coupling efficiency from a Gaussian beam into surface plasmon voltages and currents.

© 2007 Optical Society of America

OCIS Codes
(050.1590) Diffraction and gratings : Chirping
(050.2770) Diffraction and gratings : Gratings
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Diffraction and Gratings

History
Original Manuscript: March 5, 2007
Revised Manuscript: May 15, 2007
Manuscript Accepted: June 13, 2007
Published: August 20, 2007

Citation
Jesse Lu, Csaba Petre, Eli Yablonovitch, and Josh Conway, "Numerical optimization of a grating coupler for the efficient excitation of surface plasmons at an Ag-SiO2 interface," J. Opt. Soc. Am. B 24, 2268-2272 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-9-2268

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