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Model System for a One-Dimensional Magnetic Photonic Crystal

Model System for a One-Dimensional Magnetic Photonic Crystal
Author: S. Linden, M. Decker, and M. Wegener links:
Source: Phys. Rev. Lett. 97, 083902 (2006)
Date: 25.8.2006

Abstract:

We fabricate and characterize one-dimensional magnetic (rather than dielectric) photonic crystals for the first time. Our model system is a one-dimensional periodic lattice of gold-wire pairs. Each pair can be viewed as a magnetic coil with two slits and represents a “magnetic atom.” Strong coupling between the resulting magnetic-dipole resonance and the Bragg resonance is accomplished by an adjacent dielectric slab waveguide, giving rise to an avoided crossing at near-infrared wavelengths. Our experimental findings are in excellent agreement with theory.