Optical waveguide device and manufacturing method therefor

Details Optical waveguide device and manufacturing method therefor Optical waveguide device and manufacturing method therefor

1998-07-16

2000-04-25

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling structure

385 46, 385 47, 372 20, 372 99, G02B 626

Patent

active

060553499

ABSTRACT:
An optical device and manufacturing method therefor relate to a slab optical waveguide, a first optical waveguide, a plurality of second optical waveguides and a reflector. The slab optical waveguide has first and second ends. The first optical waveguide is optically connected to the first end of the slab optical waveguide. The plurality of second optical waveguides each have first and second guide bars with the first guide bars being optically connected to the second end of the slab optical waveguide and the second guide bars being optically connected to the first guide bars. The second guide bars may have a width greater than that of the first guide bars. The reflector is optically connected to each of the second guide bars of the second optical waveguides. The reflector may be formed on an end face on each of the second guide bars substantially perpendicular to an optical axis of the respective first guide bars. The first guide bars may have a refractive index temperature coefficient different in sign from that of the second guide bars. Instead of providing a guide bar for each second optical waveguide, a continuous polymeric block may substantially cover the end faces of all of the second optical waveguides.

REFERENCES:
patent: 5396507 (1995-03-01), Kaminow et al.
"Postdeadline Papers", OFC '98, Optical Fiber Communication Conference, San Jose, California. No Month.

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