Breather Wave Molecules
Top Cited Papers
- 27 February 2019
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 122 (8), 084101
- https://doi.org/10.1103/physrevlett.122.084101
Abstract
We present both a theoretical description and experimental observation of the nonlinear mutual interactions between a pair of copropagative breathers in the framework of the focusing one-dimensional nonlinear Schrödinger equation. As a general case, we show that the resulting bound state of breathers exhibits moleculelike behavior with quasiperiodic oscillatory dynamics (i.e., internal coherent interactions and pulsations), while for commensurate conditions the molecule oscillations become exactly periodic. Our theoretical model is confirmed by an experimental observation of shaped moleculelike breather light waves propagating in a nearly conservative optical fiber system. Our work sheds new light on the existence of localized wave structures and recurrence dynamics beyond the multisoliton complexes.Keywords
Funding Information
- Agence Nationale de la Recherche (ANR-15-IDEX-03)
- Russian Foundation for Basic Research (16-31–60086)
- Russian Science Foundation (17-71-10128)
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