Optical waveguide structure as well as optical wave branching un

Details Optical waveguide structure as well as optical wave branching un Optical waveguide structure as well as optical wave branching un

1996-04-05

1997-09-02

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling structure

385 22, 385 31, 385 45, G02B 628

Patent

active

056640382

ABSTRACT:
The invention provides an optical waveguide structure suitable for use, for example, with a wavelength division multiplex transmission system for optical communication, which can be produced by a simple process and realizes a wavelength separation action of a high performance with a reduced propagation loss of light without provision of a gap between waveguides. The optical waveguide structure includes a first optical waveguide, a second optical waveguide including a pair of optical waveguides, and an intermediate optical waveguide for connecting the first optical waveguide and the second optical waveguide to each other. The intermediate optical waveguide is capable of propagating light of a high order mode therein.

REFERENCES:
patent: 5500917 (1996-03-01), Daniel et al.
patent: 5515464 (1996-05-01), Sheem

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