Method for low-loss insertion of an optical signal from an optic

Details Method for low-loss insertion of an optical signal from an optic Method for low-loss insertion of an optical signal from an optic

1996-09-20

1997-12-30

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling structure

385 50, 385 30, 385 9, G02B 630

Patent

active

057039801

ABSTRACT:
A method and apparatus are provided for coupling light from a fiber to a waveguide on an OEIC (optoelectronic integrated circuit). The region of the fiber to be connected is made into a D-fiber by removing a portion of its cladding. The flat surface is fused to a silicon dioxide coated portion of the waveguide. The light in the fiber is evanescently coupled into the waveguide on the OEIC which is typically a planar or channel waveguide.

REFERENCES:
patent: 4784454 (1988-11-01), Dyott
patent: 5199087 (1993-03-01), Frazier
patent: 5360982 (1994-11-01), Venhuizen
patent: 5384282 (1995-01-01), Shiba et al.
G.G. Goetz, et al., "Heterostructures By Generalized Bonding Techniques", 1990, Proceedings of the Electromechanical Society, Montreal, pp. 247-251 No Month.

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