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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 22 — Oct. 26, 2009
  • pp: 20349–20354

Enhancing the light transmission of plasmonic metamaterials through polygonal aperture arrays

Jun Wang, Wei Zhou, and Er-Ping Li  »View Author Affiliations


Optics Express, Vol. 17, Issue 22, pp. 20349-20354 (2009)
http://dx.doi.org/10.1364/OE.17.020349


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Abstract

While plasmonic metamaterials find numerous applications in the field of nanophotonic devices, a device may work as a normal or plasmonic device, depending on whether it operates at the resonance mode. In this paper, the extraordinary light transmission through coaxial polygonal aperture arrays, including circle, hexagon, square, and triangle geometries, is studied using FDTD simulation. Circular, hexagonal and squared aperture arrays have similar high transmission rate, while triangular aperture array has considerably lower transmission rate. It is found that the transmission peaks reflect the resonance modes propagating along the direction of neighboring apertures. We hence rearrange the apertures from square lattice to triangle lattice to obtain a uniform resonance mode along the neighboring apertures. This leads to enhanced light transmission. The study gains understanding of new properties of the metamaterials based on plasmonic resonance.

© 2009 OSA

OCIS Codes
(120.7000) Instrumentation, measurement, and metrology : Transmission
(240.6680) Optics at surfaces : Surface plasmons
(160.3918) Materials : Metamaterials

ToC Category:
Metamaterials

History
Original Manuscript: August 10, 2009
Revised Manuscript: October 1, 2009
Manuscript Accepted: October 21, 2009
Published: October 23, 2009

Citation
Jun Wang, Wei Zhou, and Er-Ping Li, "Enhancing the light transmission of plasmonic metamaterials through polygonal aperture arrays," Opt. Express 17, 20349-20354 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-22-20349


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