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In this work, we report our recent progress on monolithic integration of magneto-optical oxide thin films and nonreciprocal photonic devices on silicon. We demonstrate strong Faraday rotation of − 6000 deg/cm at 1550 nm wavelength in silicon integrated Ce1.5Y1.5Fe5O12 films, which exceeds the Faraday rotation of epitaxial CeiY2Fe5Oi2 thin films on garnet substrates. We also present the design of a...
This paper presents the design of a multimode interference(MMI) based optical isolator on Silicon-On-Insulator (SOI) structure, by using the magneto-optical (MO) nonreciprocal phase shift (NRPS) of an MO thin film cladding on silicon waveguides. Finite element method (FEM) simulation based on coupled mode theory is applied to calculate the performance of the isolator. An isolator with isolation ratio...
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