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Magneto-Optical Effect of One-Dimentional Magnetophotonic Crystal Utilizing the Second Photonic Band Gap
Journal of Magnetics, Volume 11, Number 3, 30 Sep 2006, Pages 139-142
Abstract
We fabricated new one-dimensional magnetophotonic crystal (1D-MPC) utilizing the second and third photonic band gaps where localized modes existed. Structure of the 1D-MPC was (Ta2O5/SiO2)5/Bi:YIG/(SiO2/Ta2O5)5 with optical thicknesses of 3λ/4 for Ta2O5 and SiO2 dielectric layers and λ/2 for Bi:YIG defect layer, where λ is a wavelength of a localized mode in the second photonic band gap. Faraday rotation at the localized mode in the second photonic band gap was enhanced, which was confirmed by calculation using 4×4 matrix method.
Keywords: magnetophotonic crystal; MPC; second photonic band gap; Bi:YIG; Faraday rotation
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