Numerical study of complex dynamics and extreme events within noise-like pulses from an erbium figure-eight laser

J. P. Lauterio-Cruz, H. E. Ibarra-Villalon, O. Pottiez, Y. E. Bracamontes-Rodriguez, O. S. Torres-Muñoz, J. C. Hernandez-Garcia, H. Rostro-Gonzalez

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Resum

Some complex dissipative dynamics associated with the noise-like pulse (NLP) regime of a passively mode-locked erbium-doped fiber laser are studied numerically. By means of a convenient 3D mapping of the spatio-temporal pulse evolution, for properly chosen dispersion parameters, several puzzling dissipative dynamics of NLPs are identified, including the expelling of sub-packets that move away from the main bunch, the sudden extinction of isolated sub-pulses, the collision between different internal fragments travelling at different speeds, the rising of sub-pulses, the formation of complex trajectories by substructures that first move away and then return to the main bunch, and so on. In addition, the emergence of optical rogue waves (ORWs) within NLPs is also demonstrated numerically; to help understand these behaviors evidenced in the time domain, spectral analyzes were also performed that show, among other things, that the spectrum of a NLP is notoriously distorted when it hosts an ORW phenomenon. These numerical results are consistent with previously published experimental results.

Idioma originalAnglès
Pàgines (de-a)37196-37213
Nombre de pàgines18
RevistaOptics Express
Volum27
Número26
DOIs
Estat de la publicacióPublicada - 2019
Publicat externament

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