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. 29, 2022
Filed:
Dec. 28, 2017
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/06 (2006.01); H01S 3/094 (2006.01);
U.S. Cl.
CPC ...
H01S 3/0621 (2013.01); H01S 3/0604 (2013.01); H01S 3/09403 (2013.01); H01S 3/094038 (2013.01);
Abstract
Included are: a first dielectric multilayer film () for transmitting a wavelength band including a wavelength of signal light () and reflecting first excitation light (), the first dielectric multilayer film () being disposed on one of two end surfaces of a core (), a first inner cladding (), a first outer cladding (), and a second outer cladding (); and a second dielectric multilayer film () for transmitting a wavelength band including the wavelength of the signal light () and reflecting the first excitation light (), the second dielectric multilayer film () being disposed on the other one of the two end surfaces.