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:
May. 23, 2023
Filed:
Mar. 10, 2021
Applicant:
Globalfoundries U.s. Inc., Santa Clara, CA (US);
Inventors:
Yusheng Bian, Ballston Lake, NY (US);
Qizhi Liu, Lexington, MA (US);
Assignee:
GlobalFoundries U.S. Inc., Malta, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/124 (2006.01); G02B 6/13 (2006.01);
U.S. Cl.
CPC ...
G02B 6/124 (2013.01); G02B 6/13 (2013.01);
Abstract
Embodiments of the disclosure provide an optical antenna for a photonic integrated circuit (PIC). The optical antenna includes a semiconductor waveguide on a semiconductor layer. The semiconductor waveguide includes a first vertical sidewall over the semiconductor layer over the semiconductor layer. A plurality of grating protrusions extends horizontally from the first vertical sidewall of the semiconductor waveguide.