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US 2021/0231877 A1Published application
Dual Core Waveguide
AssigneePOET Technologies, Inc.
InventorsSuresh Venkatesan, Miroslaw Florjanczyk, Trevor Hall, Peng Liu, Jing Yang
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Abstract
The invention described herein pertains to the structure and formation of dual core waveguide structures and to the formation of optical devices including spot size converters from these dual core waveguide structure for the receiving and routing of optical signals on substrates, interposers, and sub-mount assemblies.
Claims20
A method comprising
- forming a first waveguide on a substrate,
- wherein the first waveguide has a first thickness comparable with a thickness of a core of an optical fiber and configured for directly coupling with the optical fiber;
- forming a second waveguide,
- wherein the second waveguide interfaces with the first waveguide along a length of the first waveguide,
- wherein the interface between the first and second waveguides comprises a flat surface,
- wherein the second waveguide comprises a first portion configured to be optically communicatable with the first waveguide,
- wherein optically communicatable comprises a capability of optical signal transfer between the first portion and the first waveguide,
- wherein the second waveguide comprises a second portion coupled to the first portion.
5 more elements
A method comprising
- forming a first waveguide,
- wherein the first waveguide comprises a first thickness comparable with a thickness of a core of an optical fiber,
- wherein the first waveguide is configured for directly coupling with the optical fiber;
- forming one or more second waveguides,
- wherein at least a portion of each second waveguide is interfaced with the first waveguide along a length of the first waveguide,
- wherein the interface between the first waveguide and the each second waveguide comprises a flat surface,
- wherein the each second waveguide comprises a first portion configured to be optically communicatable with the first waveguide,
- wherein optically communicatable comprises a capability of optical signal transfer between the first portion and the first waveguide,
- wherein the each second waveguide comprises a second portion configured to propagate an optical signal from or to the first waveguide.
6 more elements
A method comprising
- forming a first waveguide on a substrate,
- wherein the first waveguide has a first thickness comparable with a thickness of a core of an optical fiber;
- forming one or more second waveguides,
- wherein at least a portion of each second waveguide is interfaced with the first waveguide along a length of the first waveguide,
- wherein the interface between the first waveguide and the each second waveguide comprises a flat surface,
- wherein the each second waveguide comprises a first portion configured to be optically communicatable with the first waveguide,
- wherein optically communicatable comprises a capability of optical signal transfer between the first portion and the first waveguide,
- wherein the each second waveguide comprises a second portion coupled to the first portion;
- a first device,
- wherein the first device is coupled to the second waveguide,
- wherein the device comprises electrical contacts for connections to a second device.
8 more elements
Dependencies are inferred from the claim text.