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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 11 — May. 26, 2008
  • pp: 8198–8212

Selective optical-optical switching for planar plasmonic waveguides and nodes

Michael C. Quong and Abdulhakem Y. Elezzabi  »View Author Affiliations

Optics Express, Vol. 16, Issue 11, pp. 8198-8212 (2008)

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Two nodes are studied as means to perform selective optical-optical switching of four planar thin surface plasmon waveguides by interfering TEM10, TEM01, and TEM00 light beams incident upon a node. One node uses a flat-apex pyramidal reflector to reflect the incident light toward the waveguides’ ends. An alternative node is a simple square aperture, which couples surface plasmons through light diffraction at the aperture’s edges. Numerical calculations predict switching contrast, coupling efficiencies, and cross-talk between waveguides. Individually turned-off waveguides are shown to have their coupled surface plasmons attenuated by at least -10 dB and up to -21 dB.

© 2008 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(310.2790) Thin films : Guided waves

ToC Category:
Optics at Surfaces

Original Manuscript: February 26, 2008
Revised Manuscript: March 27, 2008
Manuscript Accepted: April 13, 2008
Published: May 21, 2008

Michael C. Quong and Abdulhakem Y. Elezzabi, "Selective optical-optical switching for planar plasmonic waveguides and nodes," Opt. Express 16, 8198-8212 (2008)

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