Optical sensing module
US11766216B2 · kind B2 · utility
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41References
19Claims
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Key dates
| Filing date | Dec 11, 2020 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Dec 11, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/2257
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.