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首页> 外文期刊>Laser Physics: An International Journal devoted to Theoretical and Experimental Laser Research and Application >Numerical model of dual-wavelength erbium-doped fiber ring laser based on gain-equilibrium method
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Numerical model of dual-wavelength erbium-doped fiber ring laser based on gain-equilibrium method

机译：基于增益平衡法的双波长掺fiber光纤环形激光器的数值模型

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摘要

A novel numerical model of the dual-wavelength fiber ring lasers utilizing gain-equilibrium method is presented by developing the two level, homogeneous Giles model. To obtain the simulation method, the gain equilibrium condition is derived and modified to adapt to the iterative procedure in simulations. This condition is confirmed by both the numerical and experimental results, which indicate that the cavity losses of both wavelength channels play important roles in maintaining stable dual-wavelength emitting. The tolerant loss-bias is 0.05 dB in simulations and 0.4 dB in experiments, respectively. The difference between numerical and experimental results reveals that the inhomogeneous linewidth broadening of EDF contributes mostly to the improved power stability, but the loss vibrations play an important role in this effect.
机译：通过建立两级均匀吉尔斯模型，提出了利用增益平衡法的双波长光纤环形激光器的新型数值模型。为了获得仿真方法，推导并修改了增益平衡条件以适应仿真中的迭代过程。数值和实验结果均证实了这一条件，这表明两个波长通道的腔损耗在维持稳定的双波长发射中起着重要作用。模拟中的容许损耗偏置为0.05 dB，实验中为0.4 dB。数值和实验结果之间的差异表明，EDF线宽的不均匀加宽主要有助于改善电源稳定性，但损耗振动在此效应中起着重要作用。

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