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. 07, 2020
Filed:
Apr. 18, 2019
Applicant:
Ciena Corporation, Hanover, MD (US);
Inventors:
Vipul Bhatnagar, Kensington, MD (US);
Paul Chedore, Ottawa, CA;
Assignee:
Ciena Corporation, Hanover, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01); H04B 10/071 (2013.01); H04B 10/079 (2013.01); H04B 10/2507 (2013.01); H04B 10/27 (2013.01); G01M 11/00 (2006.01); H04J 14/02 (2006.01); H04J 14/00 (2006.01);
U.S. Cl.
CPC ...
H04B 10/071 (2013.01); G01M 11/33 (2013.01); H04B 10/07955 (2013.01); H04B 10/25073 (2013.01); H04B 10/27 (2013.01); H04J 14/0213 (2013.01);
Abstract
A network element includes a transmitting amplifier configured to transmit to a first optical fiber, wherein the transmitting amplifier has a pump laser; and an optical monitor connected to a second optical fiber and configured to detect a portion of optical power thereon; wherein the pump laser is modulated to convey a signal to a second optical monitor in a second network element connected to the first optical fiber, when the transmitting amplifier is one of in a safety mode and has no input.