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. 07, 2017
Filed:
Feb. 18, 2016
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Inventors:
Jian Chen, Wuhan, CN;
Zhiguang Xu, Shenzhen, CN;
Assignee:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); G02F 1/095 (2006.01); G02F 1/00 (2006.01); H01F 10/193 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0955 (2013.01); G02F 1/0036 (2013.01); H01F 10/193 (2013.01);
Abstract
The present disclosure provides an optical isolator which includes a planar lightwave circuit, a magneto-optic thin film and a metal thin film with a magnetic field. A channel for transmitting an optical signal is configured in the planar lightwave circuit. The magneto-optic thin film is disposed on the planar lightwave circuit, and a plane on which the magneto-optic thin film is located is parallel to the channel. The metal thin film is disposed on the magneto-optic thin film.