Abstract
Collinear magneto-optic interaction with Magnetostatic Surface Waves (MSSW) can be used for wavelength-selective switches, wavelength filters and frequency shifters in WDM photonic networks and optical processing systems. The switching efficiency can be improved with multi-layer waveguide structure. To investigate the dynamic switching characteristics, FDTD method was employed. The mode conversion between TE and TM mode was successfully demonstrated with FDTD simulation. The filtering characteristics were also evalutated. The FDTD results were compared with the result from the coupled mode theory, and good agreement was obtained. Switching of an optical pulse was also demonstrated by the FDTD method.
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