Method of connecting an optical fiber to an optical waveguide

Details Method of connecting an optical fiber to an optical waveguide Method of connecting an optical fiber to an optical waveguide

1993-05-17

1994-03-22

Bovernick, Rodney B.

Optical waveguides

Planar optical waveguide

385 49, 385 73, 385 83, 359900, G02B 630

Patent

active

052972283

ABSTRACT:
A method of connecting an optical fiber to a planar optical waveguide is provided in which an end face of a waveguide chip in which planar optical waveguides are formed is abutted against an end face of a fiber aligning jig on which optical fibers are arranged, to thereby connect the optical fiber to the corresponding planar optical waveguide. At least one marker is formed in each of the waveguide chip and the fiber aligning jig, and also at least one pin guide groove is formed in each of the waveguide chip and the fiber aligning jig, using the marker as a reference mark. The markers of the waveguide chip and the fiber aligning jig are aligned with each other along optical axes of the planar optical waveguides when the waveguide chip and the fiber aligning jig are abutted against each other. Further, fiber guide grooves are formed in the fiber aligning jig, using the marker as a reference mark. The waveguide chip and the fiber aligning jig are abutted against each other, and the planar optical waveguide and the optical fiber are aligned with each other by means of a common guide pin laid along the corresponding pin guide grooves.

REFERENCES:
patent: 4252407 (1981-02-01), Bubanko et al.
patent: 4904036 (1990-02-01), Blonder
patent: 5018817 (1991-05-01), Suzuki et al.
patent: 5123068 (1992-06-01), Hakoun et al.

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