Effects of Polarization Mode Dispersion (PMD) on Raman Gain and PMD Measurement using an Optical Fibre Raman Amplifier
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Abstract
We experimentally investigate the effects of
increase of the differential group delay (DGD) on Raman gain
and gain value. It was found that the increase of DGD values lead
to the formation and the increase in the number of ripples at the
expense of gain. A Raman amplifier with gain of 6.65 dB has
been experimentally designed using a 24 km-SMF fibre spool
with a gain fluctuation of ±0.2dB. Measurement of PMD using an
optical fibre Raman amplifier has also been investigated and
validated. This work recommends low values of DGD to reduce
signal and gain distortion.