Multi peak solitons and btreather types wave solutions of unstable NLSEs with stability and applications in optics

K Shehzad, AR Seadawy, J Wang, M Arshad - Optical and Quantum …, 2023 - Springer
In this article, we examine the unstable non-linear Shrödinger (NLS) dynamical models
analytically by utilizing the tow variabke (G′/G)-expansion approach. The unstable NLS …

[PDF][PDF] W-shaped solitons under inhomogeneous self-defocusing Kerr nonlinearity

X Gao, J Shi, MR Belic, J Chen, J Li, L Zeng, X Zhu - Ukr. J. Phys. Opt., 2024 - ifo.lviv.ua
We demonstrate W-shaped solitons sustained under the inhomogeneous self-defocusing
Kerr nonlinearity in the nonlinear Schrӧdinger equation. These solitons are dark or gray …

Self-similar optical solitons with continuous-wave background in a quadratic–cubic non-centrosymmetric waveguide

H Triki, C Bensalem, A Biswas, S Khan, Q Zhou… - Optics …, 2019 - Elsevier
We investigate the propagation of self-similar optical solitons on a continuous-wave
background through a non-centrosymmetric waveguide with second-and third-order …

Bubbles and W-shaped solitons in Kerr media with fractional diffraction

L Zeng, BA Malomed, D Mihalache, Y Cai, X Lu… - Nonlinear …, 2021 - Springer
We demonstrate that, with the help of a Gaussian potential barrier, dark modes in the form of
a local depression (“bubbles”) can be supported by the repulsive Kerr nonlinearity in …

Excitation and quasi-transition of rogue waves in a one-dimensional quantum droplet

LZ Lv, P Gao, ZY Yang, WL Yang - Journal of Physics B: Atomic …, 2023 - iopscience.iop.org
We study the dynamics of rogue wave excitations and quasi-transitions in one-dimensional
quantum droplets, whose homogeneous-density flat top provides an applicable background …

Nonautonomous matter wave bright solitons in a quasi-1D Bose-Einstein condensate system with contact repulsion and dipole-dipole attraction

H Triki, A Choudhuri, Q Zhou, A Biswas… - Applied Mathematics …, 2020 - Elsevier
We investigate the existence and propagation properties of envelope solitons of an
extended nonlinear Schr ödinger equation with the time-modulated dispersion, quadratic …

Chirped self-similar waves for quadratic–cubic nonlinear Schrödinger equation

R Pal, S Loomba, CN Kumar - Annals of Physics, 2017 - Elsevier
We have constructed analytical self-similar wave solutions for quadratic–cubic Nonlinear
Schrödinger equation (QC-NLSE) by means of similarity transformation method. Then, we …

[HTML][HTML] Investigation of one-dimensional quantum droplets in a temporally perturbed external harmonic trap

S Bhatia, CN Kumar, A Nath - Physics Letters A, 2023 - Elsevier
Using analytical methods we investigate the formation of quantum droplets in symmetric
Bose-Bose mixture confined in temporally mutable parabolic traps. The dynamics of the …

Optical solitons in birefringent fibers with quadratic–cubic nonlinearity by extended G′/G-expansion scheme

A Biswas, M Ekici, A Sonmezoglu, M Belic - Optik, 2019 - Elsevier
The extended G′/G-expansion scheme retrieves bright, dark and singular optical soliton
pairs for birefringent fibers that maintains quadratic–cubic nonlinearity. In addition …

Optical solitons in birefringent fibers with quadratic–cubic refractive index by ϕ6–model expansion

EME Zayed, RMA Shohib, MM El–Horbaty, A Biswas… - Optik, 2020 - Elsevier
This paper employes the new ϕ 6–model expansion to derive soliton solutions in
birefringent fibers with quadratic-cubic law of refractive index. This scheme reveals bright …