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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 7 — Apr. 2, 2007
  • pp: 4247–4252

Surface-Plasmon-Polariton modes in deep metallic trenches- measurement and analysis

Yinon Satuby and Meir Orenstein  »View Author Affiliations

Optics Express, Vol. 15, Issue 7, pp. 4247-4252 (2007)

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SPP photonic waveguiding inside trenches engraved in 400nm thick gold layer and symmetrically embedded in a dielectric host was experimentally studied using excitation at λ=1.55μm. This waveguide has a similarity to a coplanar transmission line configuration, although plasmonic hybrid modes are supported (rather than TEM waves). Excitation by TE and TM polarizations was studied and the emergence of long propagating plasmonic modes was observed. Mode solving using Full Vectorial Magnetic-Field Beam Propagation Method, validated the observed results, and disclosed the nature of the fundamental long range mode, coexisting with higher order guided modes in such SPP waveguide.

© 2007 Optical Society of America

OCIS Codes
(230.7380) Optical devices : Waveguides, channeled
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optics at Surfaces

Original Manuscript: February 1, 2007
Revised Manuscript: March 21, 2007
Manuscript Accepted: March 21, 2007
Published: April 2, 2007

Yinon Satuby and Meir Orenstein, "Surface-Plasmon-Polariton modes in deep metallic trenches- measurement and analysis," Opt. Express 15, 4247-4252 (2007)

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