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:
Mar. 04, 2014
Filed:
Oct. 20, 2009
Applicants:
Christophe Kopp, Fontanil-Cornillon, FR;
Badhise Ben Bakir, Grenoble, FR;
Stéphane Bernabe, Moirans, FR;
Inventors:
Christophe Kopp, Fontanil-Cornillon, FR;
Badhise Ben Bakir, Grenoble, FR;
Stéphane Bernabe, Moirans, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/30 (2006.01); G02B 6/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device including at least one first optical waveguide coupled to a second optical waveguide of smaller cross-section which penetrates into it on the side of a first end. The first optical waveguide is capable of being coupled with an optical fiber on the side of a second end. A surface of the first optical waveguide includes a diffraction grating capable of introducing-extracting-sending back light into and from the first optical waveguide.