Risultati scientifici

Super chirped rogue waves in optical fibers

Anno: 2019

Autori: Chen S., Zhou Y., Bu, L., Baronio F., Soto-Crespo JM., Mihalache D.

Affiliazione autori: Southeast Univ, Sch Phys, Nanjing 211189, Jiangsu, Peoples R China; Univ Brescia, CNR, INO, Via Branze 38, I-25123 Brescia, Italy; Univ Brescia, Dipartimento Ingn Informaz, Via Branze 38, I-25123 Brescia, Italy; CSIC, Inst Opt, Serrano 121, Madrid 28006, Spain; Horia Hulubei Natl Inst Phys & Nucl Engn, Dept Theoret Phys, RO-077125 Magurele, Romania

Abstract: The super rogue wave dynamics in optical fibers are investigated within the framework of a generalized nonlinear Schrodinger equation containing group-velocity dispersion, Kerr and quintic nonlinearity, and self-steepening effect. In terms of the explicit rogue wave solutions up to the third order, we show that, for a rogue wave solution of order n, it can be shaped up as a single super rogue wave state with its peak amplitude 2n + 1 times the background level, which results from the superposition of n(n + 1)/2 Peregrine solitons. Particularly, we demonstrate that these super rogue waves involve a frequency chirp that is also localized in both time and space. The robustness of the super chirped rogue waves against white-noise perturbations as well as the possibility of generating them in a turbulent field is numerically confirmed, which anticipates their accessibility to experimental observation. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Giornale/Rivista: OPTICS EXPRESS

Volume: 27 (8)      Da Pagina: 11370  A: 11384

Parole chiavi: PEREGRINE SOLITON; PROPAGATION; BREATHERS; SYSTEMS
DOI: 10.1364/OE.27.011370

Citazioni: 22
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2021-12-05
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