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. 27, 2018
Filed:
Jan. 30, 2015
Applicant:
Oplink Communications, Llc, Fremont, CA (US);
Inventors:
Hongwei Mao, Fremont, CA (US);
Daxin Chen, Zhuhai, CN;
Zexiong Zhao, Zhuhai, CN;
Jinyuan Qiao, Cupertino, CA (US);
Miao Yang, San Jose, CA (US);
Linhu Li, Feilongzhen, CN;
Assignee:
Oplink Communications, LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/09 (2006.01);
U.S. Cl.
CPC ...
G02F 1/093 (2013.01); G02F 2201/16 (2013.01);
Abstract
Methods, systems, and apparatus for optical communications are provided. One of the apparatus includes a first Faraday rotator having an applied magnetic field in a first direction; a second Faraday rotator optically coupled to the first Faraday rotator, the second Faraday rotator having an applied magnetic field in a second direction in opposition to the first direction; and a mirror optically coupled to the second Faraday rotator.