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:
Apr. 22, 2008
Filed:
Mar. 27, 2006
Masayuki Ichioka, Tokyo, JP;
Katsutoshi Kondou, Tokyo, JP;
Yasuhiro Ishikawa, Tokyo, JP;
Takashi Shinriki, Tokyo, JP;
Satoshi Oikawa, Tokyo, JP;
Junichiro Ichikawa, Tokyo, JP;
Masayuki Ichioka, Tokyo, JP;
Katsutoshi Kondou, Tokyo, JP;
Yasuhiro Ishikawa, Tokyo, JP;
Takashi Shinriki, Tokyo, JP;
Satoshi Oikawa, Tokyo, JP;
Junichiro Ichikawa, Tokyo, JP;
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Abstract
An optical modulator using a thin plate capable of improving an S/N ratio of an output light is provided. The optical modulator including a thin platehaving an electrooptic effect and having a thickness of 20 μm or less, an optical waveguideformed on a top or bottom surface of the thin plate, and a modulation electrode formed on the top surface of the thin plate to modulate light passing through the optical waveguide, wherein a stray light removing memberis disposed within the thin plate or in a vicinity of the thin plate.