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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 27, Iss. 8 — Aug. 1, 2010
  • pp: 1878–1884

Three-dimensional dispersive metallic photonic crystals with a bandgap and a high cutoff frequency

Ma Luo and Qing Huo Liu  »View Author Affiliations


JOSA A, Vol. 27, Issue 8, pp. 1878-1884 (2010)
http://dx.doi.org/10.1364/JOSAA.27.001878


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Abstract

The goal of this work is to analyze three-dimensional dispersive metallic photonic crystals (PCs) and to find a structure that can provide a bandgap and a high cutoff frequency. The determination of the band structure of a PC with dispersive materials is an expensive nonlinear eigenvalue problem; in this work we propose a rational-polynomial method to convert such a nonlinear eigenvalue problem into a linear eigenvalue problem. The spectral element method is extended to rapidly calculate the band structure of three-dimensional PCs consisting of realistic dispersive materials modeled by Drude and Drude–Lorentz models. Exponential convergence is observed in the numerical experiments. Numerical results show that, at the low frequency limit, metallic materials are similar to a perfect electric conductor, where the simulation results tend to be the same as perfect electric conductor PCs. Band structures of the scaffold structure and semi-woodpile structure metallic PCs are investigated. It is found that band structures of semi-woodpile PCs have a very high cutoff frequency as well as a bandgap between the lowest two bands and the higher bands.

© 2010 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(160.5298) Materials : Photonic crystals

ToC Category:
Materials

History
Original Manuscript: April 7, 2010
Revised Manuscript: June 8, 2010
Manuscript Accepted: June 18, 2010
Published: July 30, 2010

Citation
Ma Luo and Qing Huo Liu, "Three-dimensional dispersive metallic photonic crystals with a bandgap and a high cutoff frequency," J. Opt. Soc. Am. A 27, 1878-1884 (2010)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-27-8-1878

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