Abstract

The problem of electromagnetic response of a periodic dielectric-metal structure to transverse electric electromagnetic excitation is solved analytically on the basis of the Boltzmann kinetic equation formalism. We analyze the dispersion relation, transmission coefficient, and absorption for different angles of incidence. We show that, due to nonlocal dependence of the electron current density on the electric field in metal layers, the THz and near-infrared photonic properties of dielectric-metal structures are strikingly different from those obtained with the use of the simplified description based on the Drude–Lorentz model. In the limit of weak spatial dispersion, the developed theory reproduces the known results for transverse electric electromagnetic waves scattered by layered structures consisting of spatially local layers.

© 2017 Optical Society of America

THz photonic bands of periodic stacks composed of resonant dielectric and nonlocal metal

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