Calculation of effective permittivity, permeability, and surface impedance of negative-refraction photonic crystals | Zendy

Zhaolin Lu | Zendy; Dennis W. Prather | Zendy

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Calculation of effective permittivity, permeability, and surface impedance of negative-refraction photonic crystals

Author(s) -

Zhaolin Lu,

Dennis W. Prather

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.008340

Subject(s) - permittivity , photonic crystal , negative refraction , optics , materials science , finite difference time domain method , permeability (electromagnetism) , electrical impedance , relative permeability , refractive index , physics , optoelectronics , dielectric , quantum mechanics , membrane , biology , porosity , composite material , genetics

We consider the eigen-fields of a two-dimensional negative-refraction photonic crystal and obtain negative effective permittivity and negative effective permeability. Effective permittivity, permeability, and surface impedance are calculated by averaging the eigen-fields. The value of the surface impedance is shown to be location-dependent and is validated by finite-difference time-domain simulations. The unique power propagation mechanism in the photonic crystal is demonstrated through time-evolution of eigen-fields.

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