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. 24, 2025
Filed:
Feb. 19, 2021
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Assignee:
FUJIKURA LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/30 (2006.01); H01S 5/14 (2006.01); H01S 5/40 (2006.01); G02B 6/028 (2006.01); G02B 6/036 (2006.01); H01S 3/23 (2006.01); H01S 5/02251 (2021.01);
U.S. Cl.
CPC ...
H01S 5/4012 (2013.01); H01S 5/147 (2013.01); G02B 6/0281 (2013.01); G02B 6/03622 (2013.01); H01S 3/2383 (2013.01); H01S 5/02251 (2021.01);
Abstract
An optical combiner includes: first optical input portions each including a first optical input waveguide; and an optical output portion to which the first optical input portions are connected and that includes a first core that allows light to propagate therethrough, and a cladding layer disposed outside of the first core and that has a refractive index lower than a refractive index of the first core. The first optical input portions are connected to a connection end face of the optical output portion such that the first optical input waveguide of at least one of the first optical input portions is optically coupled to the first core of the optical output portion.