Journal Articles Optics Express Year : 2020

Observation of four Fermi-Pasta-Ulam-Tsingou recurrences in an ultra-low-loss optical fiber

Abstract

We report the experimental observation of more than four Fermi-Pasta-Ulam-Tsingou recurrences in an optical fiber thanks to an ultra-low loss optical fiber and to an active loss compensation system. We observe both regular (in-phase) and symmetry-broken (phase-shifted) recurrences, triggered by the input phase. Experimental results are confirmed by numerical simulations.

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hal-02937943 , version 1 (14-09-2020)

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Guillaume Vanderhaegen, Pascal Szriftgiser, Alexandre Kudlinski, Matteo Conforti, Stefano Trillo, et al.. Observation of four Fermi-Pasta-Ulam-Tsingou recurrences in an ultra-low-loss optical fiber. Optics Express, 2020, 28, ⟨10.1364/OE.391560⟩. ⟨hal-02937943⟩
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