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US 2023/0296840 A1Published application
Splicing optical fibers to photonic integrated circuits
AssigneeCisco Technology, Inc.
InventorsNorbert SCHLEPPLE, Vipulkumar K. PATEL
Life of this patent
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Abstract
Techniques for aligning each of a plurality of optical fibers for coupling to a photonic integrated circuit (PIC). Transmission is detected from each respective optical fiber to the PIC using a probe, and the respective optical fiber is aligned based on the detected transmission. Each of the plurality of optical fibers is coupled to the PIC using at least one of: (i) laser splicing, (ii) laser spot welding, or (iii) arc welding.
Claims20
A method, comprising:
- aligning each of a plurality of optical fibers for coupling to a photonic integrated circuit (PIC), comprising:
- detecting transmission from each respective optical fiber to the PIC using a probe, and aligning the respective optical fiber based on the detected transmission;
- and
- coupling each of the plurality of optical fibers directly to the PIC using an epoxy free and catalyst free attachment, the epoxy free and catalyst free attachment comprising at least one of:
- (i) laser splicing, (ii) laser spot welding, or (iii) arc welding.
2 more elements
A method, comprising:
- aligning each of a plurality of optical fibers for coupling to a photonic integrated circuit (PIC), comprising:
- detecting transmission from each respective optical fiber to the PIC using a probe, and aligning the respective optical fiber based on the detected transmission;
- and
- coupling each of the plurality of optical fibers directly to the PIC using an epoxy free and catalyst free attachment, comprising:
- identifying a failure in coupling a first optical fiber, of the plurality of optical fibers, to a first redundant waveguide on the PIC;
- and
- based on the identified failure, coupling the first optical fiber to a second redundant waveguide on the PIC, wherein the first and second redundant waveguides are configured to provide an optical signal to a same endpoint on the PIC.
4 more elements
A system, comprising:
- a photonic integrated circuit (PIC);
- and
- a plurality of optical fibers individually coupled to the PIC using an epoxy free and catalyst free attachment and without using a fiber array unit (FAU),
- wherein each of the plurality of optical fibers is configured to be individually aligned with the PIC during coupling of the optical fibers to the PIC, and
- wherein the each of the plurality of optical fibers is aligned with the PIC using a probe to detect feedback from a respective optical fiber to the PIC.
2 more elements
Dependencies are inferred from the claim text.