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Spectral dynamics of square pulses in passively mode-locked fiber lasers

Abstract :

We investigate experimentally and numerically the spectral dynamics of square pulses generated in passively mode-locked fiber lasers under the dissipative soliton resonance. The features of the transition from the single-peak spectral profile to the doublet spectrum with increasing pump power are studied. The used master equation takes into account the gain saturation, the quadratic frequency dispersion of the gain and the refractive index, and the cubic-quintic nonlinearity of the losses and refractive index. Experimental data are obtained for an Er:Yb-doped fiber ring laser. The theoretical and experimental results are in good agreement with each other.

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https://hal.univ-angers.fr/hal-02572849
Contributeur : Okina Université d'Angers <>
Soumis le : mercredi 13 mai 2020 - 19:33:43
Dernière modification le : mardi 6 octobre 2020 - 10:52:07

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Georges Semaan, Andrey Komarov, Alioune Niang, Mohamed Salhi, François Sanchez. Spectral dynamics of square pulses in passively mode-locked fiber lasers. Physical Review A, American Physical Society 2018, 97 (2), pp.023812. ⟨10.1103/PhysRevA.97.023812⟩. ⟨hal-02572849⟩

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