Optical deflection element and optical switch

Optical waveguides – Directional optical modulation within an optical waveguide

Reexamination Certificate

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C385S008000, C385S017000

Reexamination Certificate

active

11071209

ABSTRACT:
An optical deflection element is configured to include a prism electrode provided on an optical waveguide, a first photonic crystal structure provided forward of the prism electrode in a light traveling direction being a position after a light passes through the prism electrode, a control electrode provided to confront a counter electrode layer via the optical waveguide on the first photonic crystal structure, and a second photonic crystal structure provided in the lateral direction of the prism electrode in parallel with the light traveling direction.

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