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Optimal design of flat-gain wide-band fiber Raman amplifiers

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2 Author(s)
Perlin, V.E. ; Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA ; Winful, H.G.

We present a novel method for designing multiwavelength pumped fiber Raman amplifiers with optimal gain-flatness and gain-bandwidth performance. We show that by solving the inverse amplifier design problem, relative gain flatness well below 1% can be achieved over bandwidths of up to 12 THz without any gain equalization devices. This constitutes a substantial improvement in gain flatness compared to the existing wide-band optical fiber amplifiers

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Lightwave Technology, Journal of  (Volume:20 ,  Issue: 2 )