Bilinear forms and bright-dark solitons for a coupled nonlinear Schrödinger system with variable coefficients in an inhomogeneous optical fiber
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2019.09.022
Abstract: Abstract Optical fiber communication becomes one of the main pillars of modern communication. In this paper, we study a coupled nonlinear Schrodinger system with variable coefficients, which can describe the simultaneous propagation of the M-field… read more here.
Keywords: dark solitons; bright dark; system variable; coupled nonlinear ... See more keywords
Chirped dark solitons in optical metamaterials
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2017.12.130
Abstract: Abstract The ultrashort pulse propagation in metamaterials that is governed by the generalized nonlinear Schrodinger equation with pseudoquintic nonlinearity and self-steepening effect is investigated. By adopting a nonlinear chirp anstaz, we obtain an elliptic differential… read more here.
Keywords: self steepening; solitons optical; dark solitons; chirped dark ... See more keywords
Interactions between M-typed dark solitons in nonlinear optics
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2019.163170
Abstract: Abstract Solitons are used in such field as nonlinear optics. In this manuscript, interactions between M-typed dark solitons are investigated analytically in the decreasing dispersion fiber. With symbolic computation, interactions between them are simulated via… read more here.
Keywords: typed dark; dark solitons; optics; nonlinear optics ... See more keywords
The Nth-order bright and dark solitons for the higher-order nonlinear Schrödinger equation in an optical fiber
Sign Up to like & getrecommendations! Published in 2018 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.12.020
Abstract: Abstract Under investigation in this paper is a sextic nonlinear Schrodinger equation, which can describe the attosecond pulses in an optical fiber. The Nth-order bright and dark soliton solutions are derived via the Hirota method.… read more here.
Keywords: order; dark solitons; bright dark; order bright ... See more keywords
Stability analysis on dark solitons in quasi-1D Bose–Einstein condensate with three-body interactions
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-90814-2
Abstract: The stability properties of dark solitons in quasi-one-dimensional Bose–Einstein condensate (BEC) loaded in a Jacobian elliptic sine potential with three-body interactions are investigated theoretically. The solitons are obtained by the Newton-Conjugate Gradient method. A stationary… read more here.
Keywords: dark solitons; bose einstein; solitons quasi; stability ... See more keywords
Dynamics of vector dark solitons propagation and tunneling effect in the variable coefficient coupled nonlinear Schrödinger equation.
Sign Up to like & getrecommendations! Published in 2017 at "Chaos"
DOI: 10.1063/1.4976514
Abstract: We investigate the dynamics of vector dark solitons propagation using variable coefficient coupled nonlinear Schrödinger (Vc-CNLS) equation. The dark soliton propagation and evolution dynamics in the inhomogeneous system are studied analytically by employing the Hirota… read more here.
Keywords: propagation; dark solitons; dynamics vector; soliton ... See more keywords
Spatiotemporal optical vortex solitons: Dark solitons with transverse and tilted phase line singularities
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.l061502
Abstract: Vortex solitons (dark solitons) are described in self-defocusing Kerr media whose phase line singularity is not parallel to the propagation direction, but is perpendicular or tilted almost arbitrary angles, depending on the medium linear dispersion.… read more here.
Keywords: phase line; solitons dark; vortex solitons; spatiotemporal optical ... See more keywords
Two types of dark solitons in a spin-orbit-coupled Fermi gas
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.105.l021301
Abstract: Dark solitons in quantum fluids are well known nonlinear excitations that are usually characterized by a single length scale associated with the underlying background fluid. We show that in the presence of spin-orbit coupling and… read more here.
Keywords: two types; types dark; zeeman field; orbit ... See more keywords
Generation of dark solitons and their instability dynamics in two-dimensional condensates
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.043618
Abstract: We analyze numerically the formation and the subsequent dynamics of two-dimensional matter wave dark solitons in a Thomas-Fermi rubidium condensate using various techniques. An initially imprinted sharp phase gradient leads to the dynamical formation of… read more here.
Keywords: dark solitons; dynamics two; two dimensional; instability dynamics ... See more keywords
Quantum dark solitons in a Bose gas confined in a hard-wall box
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.96.043602
Abstract: Schrodinger equation for Bose gas with repulsive contact interactions in one-dimensional space may be solved analytically with the help of the Bethe ansatz if we impose periodic boundary conditions. It was shown that in such… read more here.
Keywords: solitons bose; dark solitons; bose gas; gas confined ... See more keywords
Multivalley dark solitons in multicomponent Bose-Einstein condensates with repulsive interactions.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review. E"
DOI: 10.1103/physreve.104.014201
Abstract: We obtain multivalley dark soliton solutions with asymmetric or symmetric profiles in multicomponent repulsive Bose-Einstein condensates by developing the Darboux transformation method. We demonstrate that the width-dependent parameters of solitons significantly affect the velocity ranges… read more here.
Keywords: multivalley dark; dark soliton; dark solitons; valley dark ... See more keywords