Circulating amplifier signal optical signal transmission having intermediate amplifier connected first/second parts with pump module Raman broadcasting secondary order wave amplifier.

摘要

The optical signal transmission installation has an optical signal transmission (2) with first (4) and second parts (5) connected by an intermediate amplification module. There is a pump module (11) delivering signals to a secondary signal by Raman broadcasting simulating secondary order forward waves from the intermediate amplifier module (6).