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:
Sep. 30, 2025
Filed:
Mar. 22, 2023
Applicant:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Inventor:
Wen-Hao Cheng, Hsinchu, TW;
Assignee:
TAIWAN SEMICONDUCTOR MANUACTURING COMPANY, LTD, Hsinchu, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/293 (2006.01);
U.S. Cl.
CPC ...
G02B 6/29338 (2013.01);
Abstract
An optical device includes a first ring resonator positioned in a first plane, a first optical waveguide positioned in the first plane and configured to provide photons to the first ring resonator, a second ring resonator positioned in a second plane that is below the first plane, and a second optical waveguide positioned in the second plane. The second optical waveguide is configured to receive photons escaping from the second ring resonator.