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An optimization process of specialized heater electrode design for a Multimode Interference (MMI) based polymer in silica thermo-optical switch is described. The switch is designed based on the waveguide structure of photodefinable BenzoCyclobutene (BCB 4024-40) polymer core, sandwiched by a 6μm thickness of silica (SiO 2 ) upper clad layer and BK7 glass as a substrate. The upper clad thickness...
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