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:
Jun. 26, 2007
Filed:
Dec. 22, 2003
Optical waveguide device, coherent light source using the same and optical apparatus having the same
Applicants:
Kiminori Mizuuchi, Neyagawa, JP;
Kazuhisa Yamamoto, Takatsuki, JP;
Minoru Imaeda, Nagoya, JP;
Tatsuo Kawaguchi, Motosu-gun, JP;
Takashi Yoshino, Ama-gun, JP;
Inventors:
Kiminori Mizuuchi, Neyagawa, JP;
Kazuhisa Yamamoto, Takatsuki, JP;
Minoru Imaeda, Nagoya, JP;
Tatsuo Kawaguchi, Motosu-gun, JP;
Takashi Yoshino, Ama-gun, JP;
Assignees:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
NGK Insulators, Ltd., Aichi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01); G02F 1/35 (2006.01); H01S 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical waveguide device has a substrate composed of a nonlinear optical material and a periodically domain-inverted structure having the same composition as the nonlinear optical material, where the domain-inverted structure has a refractive index distribution relying on the domain-inverted structure.