Design and Optimization of Bismuth-Doped Fiber Amplifiers in the L+ Band (1600-1650nm)
DOI:
https://doi.org/10.54097/px2h0d30Keywords:
bismuth-doped fiber amplifier, L band, MATLAB simulations, design and optimization, genetic algorithm.Abstract
This study investigates the design and optimization of bismuth-doped fiber amplifiers in the L+ band (1600-1650nm). The L+ band, as a promising optical communication frequency range, demands high-performance fiber amplifiers. However, existing amplifier technologies exhibit limitations in the L+ band, leading researchers to explore bismuth-doped fiber amplifiers to overcome these constraints. This paper first introduces the working principles and relevant background knowledge of L+ band fiber amplifiers. Subsequently, a comprehensive investigation of the gain characteristics of bismuth-doped fiber amplifiers in the L+ band is conducted. Based on theoretical models, a series of optimization designs, including adjustments of bismuth doping concentration, fiber length, and pump power, are carried out to achieve optimal performance. The proposed optimization scheme demonstrates significant performance improvements through MATLAB simulations and a genetic optimization algorithm, achieving high gain and excellent characteristics in the L+ band.
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