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:
Sep. 13, 2022
Filed:
Jul. 31, 2020
Applicant:
Fujitsu Optical Components Limited, Kawasaki, JP;
Inventor:
Nobuaki Mitamura, Saitama, JP;
Assignee:
FUJITSU OPTICAL COMPONENTS LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/065 (2006.01); G02F 1/03 (2006.01);
U.S. Cl.
CPC ...
G02F 1/065 (2013.01); G02F 1/0316 (2013.01);
Abstract
An optical modulation device includes a substrate, a slot waveguide formed by arranging a pair of electrodes in a groove formed on one side of the substrate and by filling the groove with an electro-optical material, a dielectric film that covers a surface of the electro-optic material filled in the slot waveguide, and a plate member that covers the slot waveguide and is bonded to the dielectric film with an adhesive resin.