Finite-Difference Frequency-Domain Method to Study Photonic Crystals with Dispersive Metamaterials

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概要

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• Numerical method to study photonic crystals containing dispersive negative-refractive-index materials is presented. The photonic band structure of the system is calculated using the finite-difference frequency-domain method. In the system of air rods embedded in a negative-refractive-index material, the existence of characteristic forbidden frequency regime (FFR) is suggested in the low-frequency regime, in addition to many flat dispersion curves in the higher-frequency regime. It is also shown that the spatial distribution of the electromagnetic eigenmode belonging to the low-frequency regime is localized in the vicinity of the air rods.

• 2011-10-25

著者

• Terao Takamichi

  Department Of Applied Physics Hokkaido University

• Terao Takamichi

  Department of Mathematical and Design Engineering, Gifu University, Gifu 501-1193, Japan

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