THREE DIMENSIONAL OPTICAL WAVEGUIDE, THREE DIMENSIONAL OPTICAL COUPLING STRUCTURE, AND OPTICAL COMMUNICATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a three-dimensional optical waveguide for three dimensional optical wiring of multibus, which permits easy optical coupling to an optical element and makes large-capacity high-speed data communication possible.

SOLUTION: The three-dimensional optical waveguide 10 is a three-dimensional optical waveguide of multimodes and is provided with a plurality of cores 12 extending in a longitudinal direction of the three-dimensional optical waveguide 10 in regular three-dimensional arrays and clads 14 disposed around the cores 12 along the cores 12 and has an inclined end surface 16 at 45°as an end surface.

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