Multi-mode interference coupler-based flat compressive and transform imager
US11218655B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Oct 29, 2018 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Jun 30, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2005/1804
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A compressive/transform imager comprising a lens array positioned above input ports for collecting light into the input ports, waveguides routing the light from the input port to waveguide mixing regions (e.g. multi-mode interference couplers), and detectors for receiving outputs of the waveguide mixing regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.