巩译, 刘芳, 孟繁轲. 基于粒子群优化算法的宽带混合光纤放大器的设计[J]. 应用光学, 2022, 43(5): 1015-1021. DOI: 10.5768/JAO202243.0508004
引用本文: 巩译, 刘芳, 孟繁轲. 基于粒子群优化算法的宽带混合光纤放大器的设计[J]. 应用光学, 2022, 43(5): 1015-1021. DOI: 10.5768/JAO202243.0508004
GONG Yi, LIU Fang, MENG Fanke. Design of broadband hybrid fiber amplifier based on particle swarm optimization algorithm[J]. Journal of Applied Optics, 2022, 43(5): 1015-1021. DOI: 10.5768/JAO202243.0508004
Citation: GONG Yi, LIU Fang, MENG Fanke. Design of broadband hybrid fiber amplifier based on particle swarm optimization algorithm[J]. Journal of Applied Optics, 2022, 43(5): 1015-1021. DOI: 10.5768/JAO202243.0508004

基于粒子群优化算法的宽带混合光纤放大器的设计

Design of broadband hybrid fiber amplifier based on particle swarm optimization algorithm

  • 摘要: 基于铒/镱共掺光纤放大器(erbium-ytterbium doped fiber amplifier, EYDFA)的理论模型和受激拉曼散射效应的分析理论,利用EYDFA和拉曼光纤放大器(Raman fiber amplifier, RFA)的增益谱互补特性,研究并设计了EYDFA与二阶多泵浦RFA相结合的混合放大器结构。为了得到高增益和低平坦度的混合放大器,引入了粒子群算法优化泵浦光波长和功率。仿真结果表明:在不使用增益均衡器的条件下,所设计的混合光纤放大器在输出端得到了近似相等的输出光功率,在90 nm的带宽范围内平均增益为38.78 dB,增益平坦度为1.1 dB,为混合放大器的设计和优化提供了参考。

     

    Abstract: Based on the theoretical model of Erbium-ytterbium doped fiber amplifier (EYDFA) and the analysis theory of stimulated Raman scattering effect, a hybrid amplifier structure combining EYDFA with second-order multi pump Raman fiber amplifier (RFA) was studied and designed by using the gain spectrum complementary characteristics of EYDFA and RFA. In order to obtain a hybrid amplifier with high gain and low flatness, a particle swarm optimization algorithm was introduced to optimize the pump wavelength and power. The simulation results show that, without the use of gain equalizer, the output power of the designed hybrid fiber amplifier is approximately equal, the average gain is 38.78 dB and the gain flatness is 1.1 dB in the bandwidth range of 90 nm, which provides a reference for the design and optimization of the hybrid amplifier.

     

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