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:
Jun. 11, 2024
Filed:
Apr. 01, 2020
Applicant:
Kyocera Corporation, Kyoto, JP;
Inventors:
Assignee:
KYOCERA Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/095 (2006.01); G02B 6/27 (2006.01); H01S 5/0239 (2021.01); H01S 5/026 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0955 (2013.01); G02B 6/2746 (2013.01); H01S 5/0239 (2021.01); H01S 5/026 (2013.01);
Abstract
An optical isolatoraccording to the present disclosure includes a substrateand an optical waveguideprovided on the substrate. The optical waveguideincludes a first end part, a plurality of second end partsarranged in an array, and at least one branching partlocated between the first end partand the plurality of second end parts. The optical waveguidehas a portion having non-reciprocity and gives different non-reciprocal phase shift amounts between the first end partand at least two of the second end parts