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:
Jan. 04, 2022
Filed:
Sep. 25, 2020
Sumitomo Electric Industries, Ltd., Osaka, JP;
Naoya Kono, Osaka, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
An optical modulator includes an input waveguide having a first width enabling a propagation of a light-beam in a single-mode, a tapered waveguide having an input end connected to the input waveguide and an output end having a second width larger than the first width, an optical demultiplexer having an input port connected to the output end, a first output port connected to a first arm waveguide, and a second output port connected to a second arm waveguide connected to the second output port, a first electrode disposed on the first arm waveguide, and a second electrode disposed on the second arm waveguide. The first arm waveguide has a third width larger than the first width. The first arm waveguide is located within a first strip region. The first strip region having a fourth width twice as large as the third width.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile