Management of breather interactions

We propose theoretically and confirm experimentally a general approach to manage multiple nonlinear interactions of coherent solitary wave structures on an unstable background–-breathers. It allows adjusting the initial positions and phases of more than two moving breathers to observe various desire...

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Main Authors: Andrey Gelash, Gang Xu, Bertrand Kibler
Format: Article
Language:English
Published: American Physical Society 2022-09-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.4.033197
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author Andrey Gelash
Gang Xu
Bertrand Kibler
author_facet Andrey Gelash
Gang Xu
Bertrand Kibler
author_sort Andrey Gelash
collection DOAJ
description We propose theoretically and confirm experimentally a general approach to manage multiple nonlinear interactions of coherent solitary wave structures on an unstable background–-breathers. It allows adjusting the initial positions and phases of more than two moving breathers to observe various desired wave states at controllable moments of wave evolution. Our theoretical framework relies on exact multibreather solutions to the one-dimensional focusing nonlinear Schrödinger equation and asymptotic expressions describing shifts of breather positions and phases acquired by them in mutual collisions. As proof-of-principle, we consider a couple of separated pairs of breathers initially synchronized in a small-amplitude patterns; meanwhile, our approach can be generalized to other breather types and wave states. We obtain an explicit expression for the separation interval between the pairs so that the interactions of the breathers from the neighboring patterns lead to the formation of an extreme amplitude wave or recurrence to the initial small-amplitude state. Experiments are carried out on a light wave platform with a nearly conservative optical fiber system, which accurately reproduces the predicted dynamics and proves the viability of our nonlinear wave theory.
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spelling doaj.art-539dcb1970e445b5ac3b1fa75a3f08002024-04-12T17:24:25ZengAmerican Physical SocietyPhysical Review Research2643-15642022-09-014303319710.1103/PhysRevResearch.4.033197Management of breather interactionsAndrey GelashGang XuBertrand KiblerWe propose theoretically and confirm experimentally a general approach to manage multiple nonlinear interactions of coherent solitary wave structures on an unstable background–-breathers. It allows adjusting the initial positions and phases of more than two moving breathers to observe various desired wave states at controllable moments of wave evolution. Our theoretical framework relies on exact multibreather solutions to the one-dimensional focusing nonlinear Schrödinger equation and asymptotic expressions describing shifts of breather positions and phases acquired by them in mutual collisions. As proof-of-principle, we consider a couple of separated pairs of breathers initially synchronized in a small-amplitude patterns; meanwhile, our approach can be generalized to other breather types and wave states. We obtain an explicit expression for the separation interval between the pairs so that the interactions of the breathers from the neighboring patterns lead to the formation of an extreme amplitude wave or recurrence to the initial small-amplitude state. Experiments are carried out on a light wave platform with a nearly conservative optical fiber system, which accurately reproduces the predicted dynamics and proves the viability of our nonlinear wave theory.http://doi.org/10.1103/PhysRevResearch.4.033197
spellingShingle Andrey Gelash
Gang Xu
Bertrand Kibler
Management of breather interactions
Physical Review Research
title Management of breather interactions
title_full Management of breather interactions
title_fullStr Management of breather interactions
title_full_unstemmed Management of breather interactions
title_short Management of breather interactions
title_sort management of breather interactions
url http://doi.org/10.1103/PhysRevResearch.4.033197
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