[PDF][PDF] Localized structures in optical and matter-wave media: a selection of recent studies

D Mihalache - Rom. Rep. Phys, 2021 - rrp.nipne.ro
A survey of some recent theoretical and experimental studies on localized structures that
form and propagate in a broad class of optical and matter-wave media is presented. The …

Breathers, cascading instabilities and Fermi–Pasta–Ulam–Tsingou recurrence of the derivative nonlinear Schrödinger equation: Effects of 'self-steepening'nonlinearity

HM Yin, KW Chow - Physica D: Nonlinear Phenomena, 2021 - Elsevier
Breathers, modulation instability and recurrence phenomena are studied for the derivative
nonlinear Schrödinger equation, which incorporates second order dispersion, cubic …

[HTML][HTML] Pure-quartic solitons and their generalizations—Theory and experiments

CM de Sterke, AFJ Runge, DD Hudson… - APL Photonics, 2021 - pubs.aip.org
Solitons are wave packets that can propagate without changing shape by balancing
nonlinear effects with the effects of dispersion. In photonics, they have underpinned …

[HTML][HTML] Heterodyne optical time domain reflectometer combined with active loss compensation: A practical tool for investigating fermi pasta ulam recurrence process …

C Naveau, G Vanderhaegen, P Szriftgiser… - Frontiers in …, 2021 - frontiersin.org
We report recent results obtained with a novel optical fiber experimental setup based on a
heterodyne optical time-domain reflectometer in the context of FPU recurrence process …

Rogue waves for the fourth-order nonlinear Schrödinger equation on the periodic background

HQ Zhang, F Chen - Chaos: An Interdisciplinary Journal of Nonlinear …, 2021 - pubs.aip.org
In this paper, we construct rogue wave solutions on the periodic background for the fourth-
order nonlinear Schrödinger (NLS) equation. First, we consider two types of the Jacobi …

Exact analytic spectra of asymmetric modulation instability in systems with self-steepening effect

C Liu, YH Wu, SC Chen, X Yao, N Akhmediev - Physical Review Letters, 2021 - APS
Nonlinear waves become asymmetric when asymmetric physical effects are present within
the system. One example is the self-steepening effect. When exactly balanced with …

XPM‐Induced Vector Asymmetrical Soliton with Spectral Period Doubling in Mode‐Locked Fiber Laser

Y Cui, Y Zhang, Y Song, L Huang… - Laser & Photonics …, 2021 - Wiley Online Library
Cross phase modulation (XPM) can induce soliton trapping in nonlinear medium, which has
been employed to achieve vector soliton, optical switching, and optical analog of gravity‐like …

Breathers and rogue waves on the double-periodic background for the reverse-space-time derivative nonlinear Schrödinger equation

H Zhou, Y Chen - Nonlinear Dynamics, 2021 - Springer
In the present investigation, the breathers and rogue waves on the double-periodic
background are successfully constructed by Darboux transformation using a plane wave …

A study of lump and line rogue wave solutions to a (2+ 1)-dimensional nonlinear equation

S Manukure, Y Zhou - Journal of Geometry and Physics, 2021 - Elsevier
In this article, a new (2+ 1)-dimensional extension of the Hietarinta equation is proposed.
Two classes of lump and line rogue wave solutions are obtained for this equation by means …

Noise amplification precedes extreme epileptic events on human EEG

OE Karpov, VV Grubov, VA Maksimenko, N Utaschev… - Physical Review E, 2021 - APS
Extreme events are rare and sudden abnormal deviations of the system's behavior from a
typical state. Statistical analysis reveals that if the time series contains extreme events, its …