Optimal design of flat-gain wide-band fiber Raman amplifiers
V.E. PerlinDepartment of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USAHerbert G. WinfulDepartment of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, MI, USA
2002en
ABI
Аннотация
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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