Peculiar optical solitons and modulated waves patterns in anti-cubic nonlinear media with cubic–quintic nonlinearity

A Houwe, S Abbagari, L Akinyemi… - Optical and Quantum …, 2023 - Springer
In this work, we investigate diverse analytical solutions and modulation instability of the
nonlinear Schrödinger equation with an anti-cubic nonlinear term. We use the traveling …

[HTML][HTML] Modulational instability in two-dimensional dissipative open Bose-Einstein condensates with mixed helicoidal and Rashba-Dresselhaus spin-orbit couplings

CB Tabi, P Otlaadisa, TC Kofané - Physics Letters A, 2023 - Elsevier
The letter proposes a modified set of coupled two-dimensional (2D) cubic complex Ginzburg-
Landau (CGL) equations that include Rashba and Dresselhaus as well as helicoidal spin …

Modulation instability in helicoidal spin-orbit coupled open Bose-Einstein condensates

P Otlaadisa, CB Tabi, TC Kofané - Physical Review E, 2021 - APS
We introduce a vector form of the cubic complex Ginzburg-Landau equation describing the
dynamics of dissipative solitons in the two-component helicoidal spin-orbit coupled open …

Instabilities of a Bose-Einstein condensate with mixed nonlinear and linear lattices

J Hong, C Wang, Y Zhang - Physical Review E, 2023 - APS
Bose-Einstein condensates (BECs) in periodic potentials generate interesting physics on the
instabilities of Bloch states. The lowest-energy Bloch states of BECs in pure nonlinear …

[HTML][HTML] Domain formation of modulation instability in spin-orbit-Rabi coupled Gross-Pitaevskii equation with cubic-quintic interactions

R Sasireka, S Sabari, A Uthayakumar, L Tomio - Physics Letters A, 2023 - Elsevier
The effect of two-and three-body interactions on the modulation instability (MI) domain
formation of a spin-orbit (SO) and Rabi-coupled Bose-Einstein condensate is studied within …

High-order nonlinearity of silica-gold nanoshells in chloroform at 1560 nm

EL Falcão-Filho, R Barbosa-Silva, RG Sobral-Filho… - Optics …, 2010 - opg.optica.org
The nonlinear response of silica-gold nanoshells (SGNs) in chloroform was studied using
laser pulses of 65 fs at 1560 nm. The experiments were performed using the thermally …

Impact of higher-order nonlinearity on modulational instability in two-component Bose-Einstein condensates

R Tamilthiruvalluvar, E Wamba, S Subramaniyan… - Physical Review E, 2019 - APS
We investigate the effect of higher-order interactions induced by shape-dependent
confinement in the modulational instability (MI) of a binary mixture of Bose-Einstein …

Modulation instability in fractional Schrödinger equation with cubic–quintic nonlinearity

J Zhang - Journal of Nonlinear Optical Physics & Materials, 2022 - World Scientific
In this paper, we investigate the properties of modulation instability (MI) in the fractional
Schrödinger equation with cubic–quintic nonlinearity (SECN), particularly focusing on some …

Dynamics of kink-dark solitons in Bose-Einstein condensates with both two-and three-body interactions

A Mohamadou, E Wamba, D Lissouck… - Physical Review E …, 2012 - APS
The matter-wave solutions of Bose-Einstein condensates with three-body interaction are
examined through the one-dimensional Gross-Pitaevskii equation. By using a modified lens …

[HTML][HTML] Modulational instability of spin-orbit coupled Bose-Einstein condensates in discrete media

S Sabari, R TamilThiruvalluvar, R Radha - Physics Letters A, 2021 - Elsevier
We address the impact of intra-site spin-orbit (SO) coupling and associated inter-component
Rabi coupling on the modulational instability (MI) of plane-wave states in two-component …