Observation of extreme nonreciprocal wave amplification from single soliton-soliton collisions

Feifei Xin, Mariano Flammini, Fabrizio Di Mei, Ludovica Falsi, Davide Pierangeli, Aharon J. Agranat, Eugenio Delre

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Abstract

We report the observation of strong nonreciprocal soliton amplification mediated by a Raman-scattering-like effect in single isolated collisions. A pump soliton is found to lose the greater part of its energy to a signal soliton, irrespective of the pump-signal relative amplitude. The result is an efficient rectifying mechanism able to accumulate energy into extreme waves. Experiments are carried out through photorefractive soliton two-wave mixing with a gain coefficient of up to 80 cm-1 that emerges in conditions of nonlinear response, leading to the formation of rogue waves.

Original languageAmerican English
Article number043816
JournalPhysical Review A
Volume100
Issue number4
DOIs
StatePublished - 11 Oct 2019

Bibliographical note

Publisher Copyright:
© 2019 American Physical Society.

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