Observation of four Fermi-Pasta-Ulam-Tsingou recurrences in an ultra-low-loss optical fiber.
作者： Guillaume Vanderhaegen , Pascal Szriftgiser , Alexandre Kudlinski , Matteo Conforti , Stefano Trillo
DOI: 10.1364/OE.391560
关键词: Computer simulation 、 Optical fiber 、 Inverse scattering problem 、 Materials science 、 Fermi Gamma-ray Space Telescope 、 Optics 、 Compensation (engineering) 、 Phase (waves)
摘要: We report the experimental observation of more than four Fermi-Pasta-Ulam-Tsingou recurrences in an optical fiber thanks to ultra-low loss and active compensation system. observe both regular (in-phase) symmetry-broken (phase-shifted) recurrences, triggered by input phase. Experimental results are confirmed numerical simulations.
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