期刊
PHYSICAL REVIEW LETTERS
卷 122, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.054101
关键词
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资金
- Agence Nationale de la Recherche through the LABEX CEMPI project [ANR-11-LABX-0007]
- Ministry of Higher Education and Research, Hauts de France council
- European Regional Development Fund (ERDF) through the Nord-Pas de Calais Regional Research Council
- European Regional Development Fund (ERDF) through the Contrat de Projets Etat-Region (CPER Photonics for Society P4S)
- EPSRC [EP/R00515X/1]
- Dstl Grant [DSTLX1000116851]
- EPSRC [EP/R00515X/2, EP/R00515X/1] Funding Source: UKRI
We report an optical fiber experiment in which we study the nonlinear stage of modulational instability of a plane wave in the presence of a localized perturbation. Using a recirculating fiber loop as the experimental platform, we show that the initial perturbation evolves into an expanding nonlinear oscillatory structure exhibiting some universal characteristics that agree with theoretical predictions based on integrability properties of the focusing nonlinear Schrodinger equation. Our experimental results demonstrate the persistence of the universal evolution scenario, even in the presence of small dissipation and noise in an experimental system that is not rigorously of an integrable nature.
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