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:
Nov. 26, 2024
Filed:
Jul. 21, 2023
Applicant:
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Inventors:
Chewn-Pu Jou, Hsinchu, TW;
Huan-Neng Chen, Taichung, TW;
Lan-Chou Cho, Hsinchu, TW;
Feng Wei Kuo, Hsinchu County, TW;
Assignee:
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01); G02B 6/122 (2006.01);
U.S. Cl.
CPC ...
G02B 6/12004 (2013.01); G02B 6/1228 (2013.01); G02B 2006/12061 (2013.01);
Abstract
An optical device includes a waveguide configured to guide light, a taper integrated with the waveguide on a substrate configured for optical coupling, and an attenuator to degrade unwanted optical signal from the taper. The attenuator extends along one side of the taper, and includes one of a conductive structure, a doped structure and a refractive structure.