Show simple item record Luo, M Liu, QH
dc.coverage.spatial United States 2011-06-21T17:27:42Z 2010-08-01
dc.identifier 204193
dc.identifier.citation J Opt Soc Am A Opt Image Sci Vis, 2010, 27 (8), pp. 1878 - 1884
dc.description.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.
dc.format.extent 1878 - 1884
dc.language eng
dc.language.iso en_US en_US
dc.relation.ispartof J Opt Soc Am A Opt Image Sci Vis
dc.title Three-dimensional dispersive metallic photonic crystals with a bandgap and a high cutoff frequency.
dc.title.alternative en_US
dc.type Journal Article
dc.description.version Version of Record en_US 2010-8-0 en_US
duke.description.endpage 1884 en_US
duke.description.issue 8 en_US
duke.description.startpage 1878 en_US
duke.description.volume 27 en_US
dc.relation.journal Journal of the Optical Society of America A-Optics Image Science and Vision en_US
pubs.issue 8
pubs.organisational-group /Duke
pubs.organisational-group /Duke/Pratt School of Engineering
pubs.organisational-group /Duke/Pratt School of Engineering/Electrical and Computer Engineering
pubs.publication-status Published
pubs.volume 27
dc.identifier.eissn 1520-8532

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