Abstract

Optical mode conversion induced by magnetostatic surface waves (MSSWs) has great potential in optical signal processing devices. MSSW devices can be used at much higher signal frequencies than surface acoustic wave (SAW) devices. In an optical mode conversion experiment using bismuth substituted yttrium iron garnet (BiYIG) waveguide, a change of 3.35% over the interaction length l of 4.5 mm was observed at a microwave signal frequency fm of 2.16 GHz with a magnetic field H0 set at 270 Oe.

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