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:
Dec. 06, 2022
Filed:
Apr. 20, 2021
Applicant:
Hewlett Packard Enterprise Development Lp, Houston, TX (US);
Inventors:
Peng Sun, Milpitas, CA (US);
Thomas Van Vaerenbergh, Diegem, BE;
Assignee:
Hewlett Packard Enterprise Development LP, Spring, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/30 (2006.01); G02B 6/293 (2006.01);
U.S. Cl.
CPC ...
G02B 6/30 (2013.01); G02B 6/29317 (2013.01); G02B 6/29325 (2013.01); G02B 6/29332 (2013.01);
Abstract
An optical grating coupler defining an axis and configured to couple light between a planar waveguide and an optical fiber, including first and second entry surfaces and a plurality of scattering regions symmetric to the axis and arranged such scattering strength presented to incoming light by the plurality of scattering regions changes from weak to strong along a beam path of the incoming light to match a Gaussian mode profile of the optical fiber.