Speed of light in a 2D photonic crystal in the low-frequency limit

A.A. Krokhin, J. Arriaga and P. Halevi

Physica A: Statistical Mechanics and its Applications, 1997, vol. 241, issue 1, 52-57

Abstract: We consider an arbitrary 2D periodic structure in the low-frequency limit and demonstrate that it exhibits birefringence for propagation in the plane of periodicity. For polarization parallel to the cylinder axis the effective dielectric constant, εeff is just the average of the constituents, as known. On the other hand, for in-plane polarization, εeff is a function of the propagation direction. Numerical calculations have been performed for triangular cylinders forming a square lattice. This leads to an anisotropy as large as 20%, much in excess of anisotropy observed in natural crystals.

Keywords: Periodic dielectric structures; Dielectric function; Birefringence (search for similar items in EconPapers)
Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:241:y:1997:i:1:p:52-57

DOI: 10.1016/S0378-4371(97)00058-7

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