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:
Aug. 25, 2026
Filed:
Sep. 06, 2021
Shanghai Xizhi Technology Co., Ltd., Shanghai, CN;
Huaiyu Meng, Medford, MA (US);
Yichen Shen, Cambridge, MA (US);
Cheng-Kuan Lu, Littleton, MA (US);
Yelong Xu, Allston, MA (US);
SHANGHAI XIZHI TECHNOLOGY CO., LTD., Shanghai, CN;
Abstract
An apparatus includes a plurality of nodes coupled to an optical network, each node including an optical transmitter interface configured to transmit an optical signal at a location along a coupled optical path of the optical network, and an optical receiver interface configured to receive an optical signal at a location along the coupled optical path of the optical network. The apparatus includes a first optical path of the optical network configured to propagate a guided mode around a closed path; and a second optical path of the optical network configured to propagate a guided mode around a closed path.