Waveguide element using photonic crystal

Optical waveguides – Planar optical waveguide

Reexamination Certificate

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C385S132000

Reexamination Certificate

active

07421176

ABSTRACT:
A waveguide element using a photonic crystal having a refractive index periodicity in one direction is provided with an input portion causing propagation light due to a band on a Brillouin zone boundary within the photonic crystal.

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