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Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Date of Patent
July 3, 2007
0Patent Application Number
109361860
Date Filed
September 8, 2004
0Patent Primary Examiner
Patent abstract
A Raman amplification repeater using the amplification function of a signal light caused by Raman scattering which occurs when a pumping light is applied to a transmission path fiber, in which signal light power is monitored by means of a plurality of PDs by using wavelengths for monitoring whose number is larger than the number of pumping light wavelengths to control output power of a pumping light LD which emits the pumping light.
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