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:
Jun. 23, 2020
Filed:
Mar. 11, 2019
Applicant:
Globalfoundries Inc., Grand Cayman, KY;
Inventors:
Ajey Poovannummoottil Jacob, Watervliet, NY (US);
Abu Thomas, Simi Valley, CA (US);
Yusheng Bian, Ballston Lake, NY (US);
Assignee:
GLOBALFOUNDRIES INC., Grand Cayman, KY;
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01); G02B 6/124 (2006.01); G02B 6/136 (2006.01); H01L 27/12 (2006.01); G02B 6/30 (2006.01);
U.S. Cl.
CPC ...
G02B 6/12002 (2013.01); G02B 6/124 (2013.01); G02B 6/136 (2013.01); G02B 6/12004 (2013.01); G02B 6/30 (2013.01); G02B 2006/12061 (2013.01); G02B 2006/12107 (2013.01); H01L 27/1207 (2013.01);
Abstract
The present disclosure relates to semiconductor structures and, more particularly, to three dimensional (3D) optical interconnect structures and methods of manufacture. The structure includes: a first structure having a grating coupler and a first optical waveguide structure; and a second structure having a second optical waveguide structure in alignment with the first optical waveguide structure and which has a modal effective index that matches to the first optical waveguide structure.