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. 02, 2017

Filed:

Jul. 21, 2015
Applicant:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Inventors:

Hideki Yagi, Machida, JP;

Hirohiko Kobayashi, Machida, JP;

Naoya Kono, Yokohama, JP;

Takamitsu Kitamura, Fujisawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/225 (2006.01); G02F 1/025 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/2255 (2013.01); G02F 1/025 (2013.01); G02F 2001/212 (2013.01); G02F 2201/12 (2013.01);
Abstract

A modulator including: a Mach-Zehnder modulator that includes an optical waveguide disposed on a substrate, the optical waveguide including an electrode thereon; a resin layer disposed on the substrate, the resin layer embedding the optical waveguide, the resin layer having a groove arranged besides the optical waveguide; a termination resistor disposed on the substrate in the groove of the resin layer; and a first wiring disposed on the resin layer, the first wiring being connected to the termination resistor and the electrode of the optical waveguide.


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