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. 25, 2018
Filed:
Jan. 29, 2015
Universiteit Gent, Ghent, BE;
Imec Vzw, Leuven, BE;
Peter Bienstman, Ghent, BE;
Sam Werquin, Ghent, BE;
UNIVERSITEIT GENT, Ghent, BE;
IMEC VZW, Leuven, BE;
Abstract
A photonics integrated device for coupling radiation using flood illumination is disclosed. The photonic integrated device comprises an integrated waveguide, a coupler grating at the surface of the device for coupling radiation from said flood illumination towards the integrated waveguide, and a grating for blocking, reflecting or redirecting radiation away from the coupler grating at the surface of the device. The grating for blocking, reflecting or redirecting radiation away from the coupler grating thereby is positioned relative to the coupler grating so as to prevent at least some radiation from said flood illumination, impinging at the grating for blocking, reflecting or redirecting radiation away from the coupler grating and thus impinging at a position of said surface away from the coupling grating, from being reflected within the device towards the coupler grating.