Abstract
We have investigated the behaviour of an engineered one-dimensional magneto-photonic crystal with a (TiO2/SiO2)6/Bi : YIG/(SiO2/TiO2)6 structure for use in wavelength division multiplexing. The magnetic defect layer was fabricated using the pulsed laser deposition technique between two dielectric mirrors. The optical and magneto-optical properties of the sample were studied in detail so as to corroborate, or otherwise, the hypotheses formulated to achieve sufficient Faraday rotation of the media originating in the localized peak of light. Results indicate that this magneto-photonic crystal can be considered as a candidate for a multichannel isolator in wavelength division multiplexing systems. Also, the low-temperature behaviour of this sample indicates five order of magnitude enhancements in the magneto-optical Faraday rotation.
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