SINE-GORDON BREATHERS AND FORMATION OF EXTREME WAVES IN SELF-INDUCED TRANSPARENCY MEDIA

Year: 2020

Authors: Hou C., Bu LL., Baronio F., Mihalache D., Chen SH.

Autors Affiliation: Southeast Univ, Sch Phys, Nanjing 211189, Peoples R China; CNR, INO, Via Branze 38, I-25123 Brescia, Italy; Univ Brescia, Dipartimento Ingn Informaz, Via Branze 38, I-25123 Brescia, Italy; Horia Hulubei Natl Inst Phys & Nucl Engn, Dept Theoret Phys, RO-077125 Bucharest, Romania.

Abstract: We investigate the formation of optical extreme waves in a resonant two-level medium that entails the self-induced transparency (SIT) effect, within the framework of the sine-Gordon equation. By virtue of the exact breather solutions and numerical simulations, we reveal that the extreme waves may occur as a result of an intense interaction between individual breather components, by an optimal choice of the breathing periods and the propagation directions for each component. We expect that this work may stimulate the experimental study of the extreme wave formation in SIT media.

Journal/Review: ROMANIAN REPORTS IN PHYSICS

Volume: 72 (1)      Pages from: 405-1  to: 405-12

More Information: This work was supported by the National Natural Science Foundation of China (Grants No. 11974075 and No. 11474051).
KeyWords: Extreme waves; self-induced transparency; sine-Gordon equation

Citations: 40
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