We experimentally investigate two cycles of Fermi–Pasta–Ulam–Tsingou recurrence in optical fibers. Using three waves input, we characterize the distance of maximum compression points against the sideband amplitude and relative phase, outlining the qualitative changes of the dynamics due to separatrix crossing. Experimental results are in good agreement with numerical simulations and analytical predictions.

Experimental characterization of recurrences and separatrix crossing in modulational instability

Trillo S.
Penultimo
;
2019

Abstract

We experimentally investigate two cycles of Fermi–Pasta–Ulam–Tsingou recurrence in optical fibers. Using three waves input, we characterize the distance of maximum compression points against the sideband amplitude and relative phase, outlining the qualitative changes of the dynamics due to separatrix crossing. Experimental results are in good agreement with numerical simulations and analytical predictions.
2019
Naveau, C.; Szriftgiser, P.; Kudlinski, A.; Conforti, M.; Trillo, S.; Mussot, A.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/2415305
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