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.

Date of Patent:
Nov. 01, 2016

Filed:

Nov. 13, 2015
Applicant:

Ciena Corporation, Hanover, MD (US);

Inventors:

Choudhury A. Al Sayeed, Glouchester, CA (US);

David Miedema, Ottawa, CA (US);

Loren S. Berg, Richmond, CA (US);

Dave C. Bownass, Ottawa, CA (US);

Assignee:

Ciena Corporation, Hanover, MD (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/02 (2006.01); H04B 10/07 (2013.01); H04B 10/29 (2013.01); H04B 10/032 (2013.01); H04B 10/077 (2013.01); H04B 10/293 (2013.01); H01S 3/067 (2006.01);
U.S. Cl.
CPC ...
H04B 10/032 (2013.01); H04B 10/0777 (2013.01); H04B 10/2935 (2013.01); H04J 14/0202 (2013.01); H04J 14/0221 (2013.01); H04J 14/0289 (2013.01); H01S 3/067 (2013.01);
Abstract

A method for optical dark section conditioning includes determining a section in an optical network is a dark section that includes connected fiber spans that are functional with no traffic carrying channels present thereon; and causing generation of at least one of broadband noise and a signal at a head end of the dark section. An apparatus configured to perform optical dark section conditioning includes logic configured to determine a section in an optical network is a dark section that includes connected fiber spans that are functional with no traffic carrying channels present thereon; and logic configured to cause generation of at least one of broadband noise and a signal at a head end of the dark section.


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