Electro-optical device with ring resonator
US12140799B2 · kind B2 · utility
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3References
22Claims
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Key dates
| Filing date | Sep 15, 2021 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Oct 7, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/15
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A ring resonator electro-optical device includes a first silicon nitride waveguide and a second annular silicon waveguide that comprises a first section running under a second section of the first waveguide. The second waveguide also includes an annular silicon strip having a cross-section increasing in the first section from a minimum cross-section located under the second section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.