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. 08, 2014
Filed:
Oct. 11, 2011
Applicants:
Christophe Kopp, Fontanil-Cornillon, FR;
Stéphane Bernabe, Moirans, FR;
Philippe Grosse, Sassenage, FR;
Inventors:
Christophe Kopp, Fontanil-Cornillon, FR;
Stéphane Bernabe, Moirans, FR;
Philippe Grosse, Sassenage, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical duplexer intended to receive light at a first optical wavelength and to transmit back light at a second optical wavelength, including, on a substrate, successive layers forming a photoreceptor of the first optical wavelength, a selective filter letting through the first optical wavelength, and a waveguide having a surface including a grating which is transparent for the first optical wavelength and diffracting for the second optical wavelength.