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. 26, 2016
Filed:
Oct. 30, 2014
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/03 (2006.01); G02B 6/10 (2006.01); G02F 1/035 (2006.01); G02F 1/225 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0316 (2013.01); G02F 1/035 (2013.01); G02F 1/225 (2013.01); G02F 2201/07 (2013.01);
Abstract
An optical modulator includes a single-crystal substrate, a lithium niobate film formed on a main surface of the single-crystal substrate, the lithium niobate film being an epitaxial film and having a ridge, a buffer layer formed on the ridge, a first electrode formed on the buffer layer, and a second electrode separated from the first electrode, the second electrode being in contact with the lithium niobate film.