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:
Feb. 14, 2023
Filed:
Jun. 22, 2021
Applicant:
Globalfoundries U.s. Inc., Malta, NY (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 6/12 (2006.01); G02B 6/34 (2006.01); G02B 6/124 (2006.01);
U.S. Cl.
CPC ...
G02B 6/12004 (2013.01); G02B 6/124 (2013.01); G02B 6/34 (2013.01);
Abstract
Embodiments of the disclosure provide an optical antenna for a photonic integrated circuit (PIC). The optical antenna includes a vertically oriented semiconductor waveguide with a first end on a semiconductor layer. The vertically oriented semiconductor waveguide includes a first sidewall and a second sidewall opposite the first sidewall. A reflective material is along the second sidewall of the vertically oriented semiconductor waveguide. A first plurality of grating protrusions extends from the first sidewall of the vertically oriented semiconductor waveguide.