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. 17, 2024
Filed:
May. 30, 2023
Applicant:
Google Llc, Mountain View, CA (US);
Inventors:
Liming Wang, San Jose, CA (US);
Ryohei Urata, San Carlos, CA (US);
Jan Petykiewicz, Palo Alto, CA (US);
Jill Berger, Saratoga, CA (US);
Assignee:
Google LLC, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01); G02B 6/122 (2006.01); G02B 6/124 (2006.01); G02B 6/13 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/124 (2013.01); G02B 6/1228 (2013.01); G02B 6/13 (2013.01); H01L 24/16 (2013.01); G02B 2006/12107 (2013.01); H01L 2224/16225 (2013.01);
Abstract
A photonic integrated circuit chip includes a substrate and a wafer on the substrate. The wafer itself includes a photonic grating coupler with a taper portion and grating features. The grating features extend from the taper portion toward the substrate.