Abstract
The magneto-optical switching devices based on Si ring and Si photonic crystal resonators have been fabricated using a Bi3Fe5O12 (BIG) film deposited by the metal organic decomposition (MOD) method. The quality of the obtained BIG film was evaluated by X-ray diffraction and the magneto-optical Kerr effect and relatively good results were obtained. The light modulations of both devices were ≦20% at a wavelength of ∼1.5 µm. The operation mechanisms of both devices are explained by the Cotton–Mouton effect where the magnetic field direction is perpendicular to the light propagation direction.
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