Balanced photonic architectures for matrix computations
US11509397B2 · kind B2 · utility
14Cited by
3References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2021 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Dec 17, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06N3/084
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Vector and matrix multiplications can be accomplished in photonic circuitry by coherently combining light that has been optically modulated, in amplitude and/or phase, in accordance with the vector and matrix components. Disclosed are various beneficial photonic circuit layouts characterized by loss- and delay-balanced optical paths. In various embodiments, loss balancing across paths is achieved with suitable optical coupling ratios and balanced numbers of waveguide crossings (using dummy crossings where needed) across the paths. Delays are balanced in some embodiments with geometrically delay-matched optical paths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.