Optical properties of 2D magnetoelectric point scattering lattices

Abstract

We explore the electrodynamic coupling between a plane wave and an infinite two-dimensional periodic lattice of magneto-electric point scatterers, deriving a semi-analytical theory with consistent treatment of radiation damping, retardation, and energy conservation. We apply the theory to arrays of split ring resonators and provide a quantitive comparison of measured and calculated transmission spectra at normal incidence as a function of lattice density, showing excellent agreement. We further show angle-dependent transmission calculations for circularly polarized light and compare with the angle-dependent response of a single split ring resonator, revealing the importance of cross coupling between electric dipoles and magnetic dipoles for quantifying the pseudochiral response under oblique incidence of split ring lattices.

9 pages, 6 figures, color

References in corpus (4)

• Magnetic metamaterials at telecommunication and visible frequencies
• Chiral metamaterials: retrieval of the effective parameters with and without substrate
• Plasmonic Antennas Hybridized with Dielectric Waveguides
• Asymmetric transmission: a generic property of lossy periodic interfaces

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