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. 06, 2015
Filed:
Mar. 31, 2014
Infinera Corp., Annapolis Junction, MD (US);
Pierre Mertz, Baltimore, MD (US);
Hai Xu, N. Laurel, MD (US);
Infinera Corporation, Sunnyvale, CA (US);
Abstract
Systems and methods are disclosed including a subsea link idler apparatus comprising at least one data laser generating a first laser beam as a data signal, having a first frequency within a first data channel bandwidth slot; a first continuous wave laser generating a second laser beam with a first polarization and a second frequency being within a second data channel bandwidth slot; a second continuous wave laser generating a third laser beam with a second polarization different from the first polarization and a third frequency being offset from the second frequency and being within the second data channel bandwidth slot; a polarization beam combiner positioned in paths of the second and third laser beams combining the second and third laser beams into an idler signal; and a transmitter receiving and transmitting the data signal and idler signal.