The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2026
Filed:
Nov. 17, 2023
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Mathieu Dupoy, Coublevie, FR;
Cyrielle Monpeurt, Grenoble, FR;
Abstract
A photonic chip for scene illumination, the photonic chip comprises a substrate comprising a face with an etching, a plurality of waveguides extending parallel to a plane formed by the etched face of the substrate, each waveguide being configured to guide at least one light beam, a plurality of diffraction gratings, respectively formed in a waveguide and each being configured to extract, out of the waveguide in which it is formed and towards the etching of the substrate, the light beam propagating in said waveguide, at least two waveguides being configured to receive light beams of different wavelengths, and wherein the etching of the substrate is configured to extract the light beams out of the substrate, towards the scene to be illuminated, said scene lying against the etched face of the substrate and at the level of the etching of the substrate.