Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 17, 2007
Patent Application Number
10695398
Date Filed
October 29, 2003
Patent Primary Examiner
Patent abstract
In a WDM optical communication system in which an optical lossy medium, optical amplifiers and Raman amplifiers for compensating for loss in the optical lossy medium are cascade-connected, means are provided for acquiring the state of use of a Raman amplifier, at a node the same as that of the optical amplifier, in a link opposing a link in which the optical amplifier resides, or the state of use of a Raman amplifier at a node downstream of the optical amplifier. Whether the optical amplifier is to be made to perform a slope correction is decided based upon the state of use of the Raman amplifier.
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