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:
Dec. 24, 2024
Filed:
Mar. 07, 2023
Applicant:
Ciena Corporation, Hanover, MD (US);
Inventors:
Assignee:
Ciena Corporation, Hanover, MD (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01); H01S 3/067 (2006.01); H01S 3/091 (2006.01); H01S 3/16 (2006.01); H04B 10/071 (2013.01); H04J 14/00 (2006.01);
U.S. Cl.
CPC ...
H04B 10/071 (2013.01); H01S 3/06754 (2013.01); H01S 3/0912 (2013.01); H01S 3/1608 (2013.01);
Abstract
Laser safety shutoff or power reduction is disclosed for optically amplified fiber optic links with high transmission power. In an embodiment, a network element includes an amplifier configured to amplify one or more traffic carrying signals that are being transmitted over an optical fiber connected to the network element; a first receiver configured to receive a first monitoring signal that counter propagates over the optical fiber relative to the one or more traffic carrying signals; and circuitry configured to one or more of reduce power of the amplifier and shut off lasers associated with the amplifier, responsive to a loss of signal at the first receiver.