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. 15, 2008
Filed:
Jan. 25, 2002
Applicants:
Sébastien Bigo, Palaiseau, FR;
Yann Frignac, Paris, FR;
Wilfried Idler, Markgröningen, DE;
Eugen Lach, Marbach, DE;
Inventors:
Sébastien Bigo, Palaiseau, FR;
Yann Frignac, Paris, FR;
Wilfried Idler, Markgröningen, DE;
Eugen Lach, Marbach, DE;
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/02 (2006.01); H04B 10/12 (2006.01); H04B 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention shows a transmission system with a transmitter function, a transmitting fiber and a receiver function where the transmitter function comprising lightsources (), modulators () and a multiplexer (), and the receiver comprising at least a demultiplexer (), filters and electrical receivers where the channels for left side filtering are modulated with modulators with a negative chirp and for right side filtering with modulators with positive chirp.