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US09097846B2 Integrated waveguide coupler 有权
集成波导耦合器

Integrated waveguide coupler
Abstract:
A waveguide coupler includes a first waveguide and a second waveguide. The waveguide coupler also includes a connecting waveguide disposed between the first waveguide and the second waveguide. The connecting waveguide includes a first material having a first index of refraction and a second material having a second index of refraction higher than the first index of refraction.
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