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Statistics of polarization-dependent gain in fiber-based Raman amplifiers
1Institute of Optics, University of Rochester, Rochester, New York 14627, USA.
Optics Letters
|March 26, 2003
Abstract:
We develop an analytic model for finding the statistics of polarization-dependent gain (PDG) in fiber-based Raman amplifiers. We use it to find an analytic form for the probability distribution of PDG and study how the mean PDG and the variance of PDG fluctuations depend on the PMD parameter. We show that mean PDG as well as PDG fluctuations are reduced by approximately a factor of 30 in the case of backward pumping.