Optical waveguide device and method of manufacturing same

Details Optical waveguide device and method of manufacturing same Optical waveguide device and method of manufacturing same

2007-06-05

2007-06-05

Kim, Ellen E. (Department: 2874)

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

C385S129000, C065S386000

Reexamination Certificate

active

11087544

ABSTRACT:
A method of manufacturing an optical waveguide device that is capable of reducing the imbalance in the refractive index profile of a core, and an optical waveguide device that has the reduced imbalance in the refractive index profile are provided. The method of manufacturing an optical waveguide device has the steps of forming a groove in a first cladding layer having a first dopant that lowers the refractive index of the first cladding layer below the refractive index of pure silica glass, forming a core in the groove, and forming a second cladding layer having a second dopant that lowers the refractive index of the second cladding layer below the refractive index of pure silica glass, over the first cladding layer and the core.

REFERENCES:
patent: 6795631 (2004-09-01), Noro et al.
patent: 05-215929 (1992-03-01), None
patent: 2000-121859 (2000-04-01), None
patent: 2003-161852 (2003-06-01), None

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