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11 papers · 1 filter
Dispersion Managed Generation of Peregrine Solitons and Kuznetsov-Ma Breather in an Optical Fiber
Dipti Kanika Mahato, A. Govindarajan, M. Lakshmanan +1
Optical rogue waves and its variants have been studied quite extensively in the context of optical fiber in recent years. It has been realized that dispersion management in optical…
Self-diffusion Driven Pattern Formation in Prey-Predator System with Complex Habitat under Fear Effect
Debaldev Jana, Saikat Batabyal, M. Lakshmanan
In the present work, we explore the influence of habitat complexity on the activities of prey and predator of a spatio-temporal system by incorporating self diffusion. First we mod…
Engineering Optical Rogue Waves and Breathers in a Coupled Nonlinear Schrödinger System with Four-Wave Mixing Effect
K. Sakkaravarthi, R. Babu Mareeswaran, T. Kanna
We consider a coherently coupled nonlinear Schrödinger equation with modulated self-phase modulation, cross-phase modulation, and four-wave mixing nonlinearities and varying refrac…
Manipulation of vector solitons in a system of inhomogeneous coherently coupled nonlinear Schrödinger models with variable nonlinearities
R. Babu Mareeswaran, K. Sakkaravarthi, T. Kanna
We investigate non-autonomous solitons in a general coherently coupled nonlinear Schrödinger (CCNLS) system with temporally modulated nonlinearities and with an external harmonic o…
Impact of higher-order effects on dissipative soliton in metamaterials
A. K. Shafeeque Ali, Malik Zaka Ullah, M. Lakshmanan
We study the influence of higher-order effects such as third order dispersion (TOD), fourth order dispersion (FOD), quintic nonlinearity (QN), self steepening (SS) and second order…
Quenching dynamics of the bright solitons and other localized states in spin-orbit coupled Bose-Einstein condensates
Rajamanickam Ravisankar, Thangarasu Sriraman, Luca Salasnich +1
We study the dynamics of binary Bose-Einstein condensates made of ultracold and dilute alkali-metal atoms in a quasi-one-dimensional setting. Numerically solving the two coupled Gr…