Optical waveguide device
First Claim
1. An optical waveguide device comprising:
- a substrate;
an optical waveguide layer formed on said substrate;
a gap adjusting layer formed on said optical waveguide layer and having an index of refraction which is lower than that of said optical waveguide layer;
a metallic layer formed on said gap adjusting layer to partly cover the gap adjusting layer and having an opening through which an incident light passes;
a dielectric adhesive layer disposed in contact with said gap adjusting layer through said opening of said metallic layer and having an index of refraction which is higher than that of said optical waveguide layer; and
a dielectric prism disposed on said adhesive layer and having an index of refraction which is higher than that of said optical waveguide layer.
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Accused Products
Abstract
An optical waveguide device which comprises a substrate, an optical waveguide layer formed on the substrate, a gap adjusting layer formed on the optical waveguide layer, a metallic layer formed on the gap adjusting layer to partly cover the gap adjusting layer and having an opening therein, a dielectric adhesive layer disposed in contact with the gap adjusting layer through the opening of the metallic layer, and a dielectric prism disposed on the adhesive layer. The gap adjusting layer has an index of refraction which is lower than that of the optical waveguide layer. An incident light passes through the opeining of the metallic layer. The dielectric adhesive layer has an index of refraction which is higher than that of the optical waveguide layer. The dielectric prism has an index of refraction which is higher than that of the optical waveguide layer.
98 Citations
15 Claims
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1. An optical waveguide device comprising:
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a substrate; an optical waveguide layer formed on said substrate; a gap adjusting layer formed on said optical waveguide layer and having an index of refraction which is lower than that of said optical waveguide layer; a metallic layer formed on said gap adjusting layer to partly cover the gap adjusting layer and having an opening through which an incident light passes; a dielectric adhesive layer disposed in contact with said gap adjusting layer through said opening of said metallic layer and having an index of refraction which is higher than that of said optical waveguide layer; and a dielectric prism disposed on said adhesive layer and having an index of refraction which is higher than that of said optical waveguide layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An optical waveguide device comprising:
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a substrate; an optical waveguide layer formed on said substrate; a clad layer covering at least a part of said optical waveguide layer and having an opening through which an incident light to be coupled passes; and an optical element disposed on said opening of said clad layer for guiding said incident light to said optical waveguide layer, wherein said opening has a specific shape to perform a specific optical function in accordance with said shape. - View Dependent Claims (12, 13, 14, 15)
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Specification