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:
Oct. 22, 2024
Filed:
Jan. 12, 2024
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Tetsuya Shibata, Tokyo, JP;
Hideaki Fukuzawa, Tokyo, JP;
Tomohito Mizuno, Tokyo, JP;
Masahiro Shinkai, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/42 (2006.01); G02B 6/43 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4296 (2013.01); G02B 6/4274 (2013.01); G02B 6/43 (2013.01);
Abstract
This optical device includes at least one magnetic element including a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, a laser diode, and a waveguide, in which the waveguide includes at least one input waveguide optically connected to the laser diode and an output waveguide connected to the input waveguide, and at least some of light propagating in at least one of the input waveguide and the output waveguide is applied to the magnetic element.