M. A. Iqbal, L. Krzczanowicz, I. Phillips, P. Harper, W. Forysiak
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Distributed Pumping Architecture to Improve the Noise Performance of Broadband Discrete Raman Amplifier
We report a novel dual-stage broadband discrete Raman amplifier which improves low wavelength noise figure by 3.3dB providing 1.2dB Q2 factor improvement and 1134km reach extension versus a conventional single-stage design for 18×120Gb/s PM-QPSK transmission.
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