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.

Date of Patent:
May. 11, 2021

Filed:

Feb. 24, 2020
Applicants:

Tdk Corporation, Tokyo, JP;

Fujitsu Optical Components Limited, Kanagawa, JP;

Inventors:

Hiroki Hara, Tokyo, JP;

Shinji Iwatsuka, Tokyo, JP;

Takashi Kikukawa, Tokyo, JP;

Toshinori Matsuura, Tokyo, JP;

Yasuhiro Ohmori, Kanagawa, JP;

Masaharu Doi, Kanagawa, JP;

Shintaro Takeuchi, Kanagawa, JP;

Yoshinobu Kubota, Kanagawa, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/225 (2006.01); G02F 1/035 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/2255 (2013.01); G02F 1/0356 (2013.01); G02F 1/225 (2013.01); G02F 1/212 (2021.01); G02F 2201/063 (2013.01); G02F 2202/20 (2013.01);
Abstract

An electro-optic device is provided with a Mach-Zehnder optical waveguide including at least one linear section and at least one curved section and a differential RF signal electrode provided along the Mach-Zehnder optical waveguide. Optical input/output ports of the Mach-Zehnder optical waveguide are provided at one end side in a first direction in which the linear section extends. The differential RF signal electrode is provided in both the linear and curved sections.


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