SRS对基于FWM的光纤参量放大器增益性能的影响
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国家自然科学基金项目(No.61775180);西安邮电大学研究生创新基金项目(CXJJLY2019061)资助。


Influence of SRS on gain performance of fiber-opticparametric amplifier based on FWM
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    摘要:

    为了研究受激喇曼散射(SRS)对基于四波混频(FWM)的光纤参量放大器(FOPA)增益性能的影响,本文采用四阶龙格库塔法求解SRS和FWM共同作用下的稳态非线性耦合波方程,并针对泵浦间隔、泵浦功率、非线性系数、泵浦中心波长、零色散波长、色散斜率等因素分析SRS对基于FWM的FOPA增益性能的影响。研究结果表明,当光纤非线性系数γ≤2.5km-1·W-1时,SRS使FOPA增益降低,即SRS对信号放大起消极作用;当γ>2.5km-1·W-1时,SRS使FOPA增益谱更加平坦,即SRS对信号放大起积极作用。

    Abstract:

    In order to study the influence of Stimulated Raman Scattering (SRS) on the gain performance of Fiber-Optic Parametric Amplifier (FOPA) based on Four-Wave Mixing (FWM),in this paper,the fourth-order Runge-Kutta method is used to solve the steady-state nonlinear coupled wave equation under the combined action of SRS and FWM.The influence of SRS on FOPA gain performance is analyzed in terms of pump interval,pump power,nonlinear coefficient,pump center wavelength,zero dispersion wavelength and dispersion slope.The research results show that when the fiber nonlinear coefficient γ≤2.5km-1·W -1,SRS will lower the gain of FOPA,that is,SRS has a negative effect on signal amplification; when γ>2.5km-1·W -1,SRS makes the FOPA gain spectrum flatter,which means SRS plays an active role in signal amplification.

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巩稼民,张丽红,郝倩文,张晨. SRS对基于FWM的光纤参量放大器增益性能的影响[J].激光与红外,2021,51(7):877~882
GONG Jia-min, ZHANG Li-hong, HAO Qian-wen, ZHANG Chen. Influence of SRS on gain performance of fiber-opticparametric amplifier based on FWM[J]. LASER & INFRARED,2021,51(7):877~882

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  • 最后修改日期:2020-10-11
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  • 在线发布日期: 2021-07-22