Wavelength division multiplexing optical device and manufacturin

Details Wavelength division multiplexing optical device and manufacturin Wavelength division multiplexing optical device and manufacturin

1998-03-13

2000-07-04

Lee, John D.

Optical waveguides

With optical coupler

Particular coupling structure

385 50, G02B 628

Patent

active

060850000

ABSTRACT:
A wavelength division multiplexing optical device includes a cladding layer formed on a waveguide substrate, a first optical waveguide embedded in the cladding layer, a second optical waveguide embedded in the cladding layer and connected at one end thereof to an intermediate portion of the first optical waveguide, and an insertion groove formed in the waveguide substrate and the cladding layer so as to extend across a connected portion of the first and second optical waveguides. The wavelength division multiplexing optical device further includes first and second wide grooves formed in the cladding layer so as to cover opposite end portions of the insertion groove and open to the opposite side surfaces of the cladding layer, and a wavelength selecting filter inserted in the insertion groove.

REFERENCES:
patent: 5732173 (1998-03-01), Bylander et al.

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