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:
Mar. 24, 2026
Filed:
Nov. 03, 2023
Applicant:
Globalfoundries U.s. Inc., Malta, NY (US);
Inventors:
Kenneth J. Giewont, Hopewell Junction, NY (US);
Theodore Letavic, Putnam Valley, NY (US);
Yusheng Bian, Ballston Lake, NY (US);
Assignee:
GlobalFoundries U.S. Inc., Malta, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01); G02B 6/122 (2006.01); G02B 6/13 (2006.01); G02B 6/14 (2006.01);
U.S. Cl.
CPC ...
G02B 6/1228 (2013.01); G02B 6/13 (2013.01); G02B 2006/12121 (2013.01);
Abstract
Structures for a photonics chip that include an integrated semiconductor laser and methods of forming such structures. The structure comprises a waveguide core, a multi-layer quantum-well stack, and an optical coupler on a portion of the waveguide core. The optical coupler, which comprises a semiconductor material, is disposed between the portion of the waveguide core and the multi-layer quantum-well stack.