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机译:Optimization of the two-stage single-pump erbium-doped fiber amplifier with high amplification for low frequency nanoscale pulses
Instituto Nacional de Astrofisica, Optica y Electronica Luis Enrique Erro Number 1, Tonantzintla, Puebla, 72000, Mexico;
erbium-doped fiber amplifiers; optical filters; Sagnac interferometer;