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:
Oct. 04, 2016
Filed:
Dec. 18, 2012
Applicants:
James Harley, Nepean, CA;
Roger Carroll, Ottawa, CA;
Shahab Oveis Gharan, Ottawa, CA;
Kim B. Roberts, Ottawa, CA;
Inventors:
James Harley, Nepean, CA;
Roger Carroll, Ottawa, CA;
Shahab Oveis Gharan, Ottawa, CA;
Kim B. Roberts, Ottawa, CA;
Assignee:
Ciena Corporation, Hanover, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/548 (2013.01); H04B 10/40 (2013.01); H04B 10/61 (2013.01);
U.S. Cl.
CPC ...
H04B 10/548 (2013.01); H04B 10/40 (2013.01); H04B 10/616 (2013.01);
Abstract
A method of transmitting a data signal in an optical communications system. The method includes processing the data signal to generate an analog drive signal, wherein the processing comprises applying a first non-linear operation such that frequency components of the drive signal lay in at least two separated spectral bands. An optical carrier light is modulated using the analog drive signal.