Fermi-Pasta-Ulam-Tsingou Recurrence In Spatial Optical Dynamics

D. Pierangeli,M. Flammini, L. Zhang,G. Marcucci,A. J. Agranat,P. G. Grinevich,P. M. Santini,C. Conti,E. DelRe

european quantum electronics conference（2019）

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Abstract

We report the observation of more than three Fermi-Pasta-Ulam-Tsingou recurrences in nonlinear optical wave propagation and experimentally demonstrate that the recurrent behavior is governed by the exact solution of the nonlinear Schrodinger integrable dynamics.

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Key words

Fermi-Pasta-Ulam-Tsingou recurrence,spatial optical dynamics,Fermi-Pasta-Ulam-Tsingou problem,initial conditions,unstable systems,chaotic systems,controversial phenomena,nonlinear dynamics,integrable models,exact solution,integrability,long dynamics,quantitative experimental validation,deep water waves,optical fibers,FPUT dynamics,underlying integrable model,FPUT recurrence,spatial nonlinear optics,recurrent behavior

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