Abstract
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.
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Hu, Z.L., Xu, P. & Jiang, N. Numerical model of dual-wavelength erbium-doped fiber ring laser based on gain-equilibrium method. Laser Phys. 22, 1590–1595 (2012). https://doi.org/10.1134/S1054660X1210009X
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DOI: https://doi.org/10.1134/S1054660X1210009X