Post Description

Raman Amplifiers for Telecommunications 

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There has been a revived interest in Raman amplification due to the availability of high pump powers and improvements in small core size fibers. 
Two general categories of Raman amplifiers exist: distributed and discrete, also known as DRAs. They improve the noise figure and reduce the 
nonlinear penalty of the amplifier, allowing for longer amplifiers spans, higher bit rates, closer channel spacings, and operation near the 
zero dispersion wavelength. DRAs are already becoming commonplace in most long-haul networks. Consequently, Raman amplifiers should see a wide 
range of deployment in the next few years.