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US 2025/0189864 A1Published application
Laser sparing architectures for multi-wavelength laser arrays
AssigneeNVIDIA Corporation
InventorsThomas Hastings Greer, III, Benjamin Giles Lee
Life of this patent
Estimating the term…
Abstract
Optical circuit architectures utilizing primary laser light sources and at least one auxiliary laser light source. The primary lasers may be fixed-wavelength lasers and/or comb lasers, and the auxiliary lasers may be fixed-wavelength lasers, tunable-wavelength lasers, and/or comb lasers. In some cases optical switches are utilized along the optical paths in various configurations between the laser inputs and output terminals of the optical paths or between the laser inputs and a transform network.
Claims22
A circuit comprising:
- a number N≥2 of fixed-wavelength primary lasers;
- a number L≥1 of fixed-wavelength auxiliary lasers;
- a number O=N+L of input optical paths;
- and
- a transform network configured to multiplex light received on the input optical paths from the primary lasers and auxiliary lasers onto a number M≥1 of outbound waveguides each carrying N wavelengths from the primary lasers and also carrying L additional wavelengths from the auxiliary lasers.
2 more elements
A circuit comprising:
- a plurality of optical paths;
- one or more primary lasers;
- a plurality of auxiliary lasers;
- a single optical switch configured between a primary laser input to each optical path and an output terminal of the optical path;
- and
- at least one optical switch configured between an auxiliary laser input to each optical path and the output terminal of the optical path.
3 more elements
A circuit comprising:
- a plurality of optical paths;
- a plurality of primary lasers;
- one or more auxiliary lasers;
- optical switches arranged along the optical paths, the optical switches configured to switch light between adjacent optical paths.
1 more element
A circuit comprising:
- a plurality of primary lasers configured to input light to a first transform network;
- a plurality of auxiliary lasers configured to input light to a second transform network;
- and
- logic to merge an output of the first transform network with an output of the second transform network.
1 more element
Dependencies are inferred from the claim text.