Optical coupler between planar multimode waveguides
First Claim
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1. An optical waveguide coupler comprising:
- a first optical waveguide including a first area and a tapered area having a tapered width;
a second optical waveguide including a first area and a tapered area having a tapered width;
wherein the first area of the of the second optical waveguide overlaps the tapered area of the first optical wave guide,wherein the tapered area of the second optical waveguide overlaps the first area of the first optical waveguide, andwherein the dimensions of the first and second optical waveguide are configured to allow selected propagation modes of a multimode signal to pass through the optical waveguide coupler.
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Abstract
Various exemplary embodiments relate to an optical waveguide coupler including: a first optical waveguide including a first area and a tapered area having a tapered width; a second optical waveguide including a first area and a tapered area having a tapered width; wherein the first area of the of the second optical waveguide overlaps the tapered area of the first optical wave guide, and wherein the tapered area of the second optical waveguide overlaps the first area of the first optical waveguide.
24 Citations
18 Claims
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1. An optical waveguide coupler comprising:
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a first optical waveguide including a first area and a tapered area having a tapered width; a second optical waveguide including a first area and a tapered area having a tapered width; wherein the first area of the of the second optical waveguide overlaps the tapered area of the first optical wave guide, wherein the tapered area of the second optical waveguide overlaps the first area of the first optical waveguide, and wherein the dimensions of the first and second optical waveguide are configured to allow selected propagation modes of a multimode signal to pass through the optical waveguide coupler. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An optical waveguide coupler comprising:
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a first optical waveguide including a first area and a tapered area having a tapered width; a second optical waveguide including a first area; wherein the first area of the of the second optical waveguide overlaps the tapered area of the first optical wave guide, and wherein the dimensions of the first and second optical waveguide are configured to allow selected propagation modes of a multimode signal to pass through the optical waveguide coupler. - View Dependent Claims (10, 11, 12, 13)
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14. A method of manufacturing an optical waveguide coupler, comprising:
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depositing and patterning a first optical waveguide material to form a first optical waveguide including a first area and a tapered area having a tapered width; depositing and patterning a second optical waveguide material to form a second optical waveguide including a first area and a tapered area having a tapered width; wherein the first area of the of the second optical waveguide overlaps the tapered area of the first optical wave guide, wherein the tapered area of the second optical waveguide overlaps the first area of the first optical waveguide, and wherein the dimensions of the first and second optical waveguide are configured to allow selected propagation modes of a multimode signal to pass through the optical waveguide coupler. - View Dependent Claims (15, 16, 17, 18)
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Specification