Search Results - "Veni, Saravana"
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1
Self-steepening nature and nonlinearity management of optical solitons with the influence of generalized external potentials
Published in Optical and quantum electronics (01-08-2023)“…A nonlinear Schrödinger equation with the combined effects of variable nonlinearity and generalized external potentials is investigated. Three soliton…”
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2
Excitation of ring solitons and dromions in a non-isospectral nonlinear Schrödinger equation with tunable external potential
Published in Optical and quantum electronics (01-02-2023)“…In this work, the existence of nonlinear ring waves in the form of multi-solitons is investigated analytically by considering a non-isospectral Nonlinear…”
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3
Numerical investigation on nonautonomous optical rogue waves and Modulation Instability analysis for a nonautonomous system
Published in Physica scripta (01-02-2024)“…In this paper, we report existence of optical rogue waves in the focussing non—autonomous nonlinear Schrödinger equation (NLSE) through numerical studies of…”
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4
Modulational instability in a tapered erbium doped fiber with inhomogeneous broadening
Published in Optical and quantum electronics (01-03-2022)“…Nonlinear Schrödinger–Maxwell Bloch equation with tapered term is considered which describes the optical soliton propagation in a tapered erbium doped fiber…”
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5
A generalized Davydov model with interspine coupling and its integrable discretization
Published in Physica scripta (01-08-2012)“…We propose a generalized model for the dynamics of alpha helical proteins by including excitations of dipole and quadrupole types, nearest and next…”
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6
Nonautonomous three soliton interactions in an inhomogeneous optical fiber: Application to soliton switching devices
Published in Optik (Stuttgart) (01-02-2023)“…We investigate the interactional behavior of three nonautonomous solitons in an optical fiber with inhomogeneous nature which can be described by nonlinear…”
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7
Comparative analysis between modulation instability in an erbium and non-erbium optical fiber with generalized external potentials
Published in Optik (Stuttgart) (01-11-2022)“…The effects of two-level resonant atoms and self-steepening effect on modulation instability in an erbium fiber is studied by considering the nonlinear…”
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8
Nonlinear excitations in a disordered alpha-helical protein chain
Published in Physica A (01-08-2014)“…We investigate the dynamics of alpha-helical proteins with dipole and quadrupole type molecular excitations. Performing the symbolic computation on the…”
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9
Multisoliton solutions and stability aspects of higher order discrete nonlinear Schrödinger equation governing protein dynamics
Published in Physica A (01-11-2014)“…We propose a discrete model of alpha-helical proteins by taking into account dipole and quadrupole type molecular excitations. The interaction properties of…”
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10
Dynamic interplay: unveiling inelastic breather collisions and modulation instability enhancement in a periodically gained inhomogeneous fiber optic communication system across temporal frequencies
Published in Physica scripta (01-08-2024)“…Examining the impact of inhomogeneity on the propagation of femtosecond ultrafast optical pulses in fiber, we delve into the realm of the modified Hirota…”
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11
Soliton excitations in a three-spine alpha-helical protein chain with quintic non-linearity
Published in Physica A (15-02-2014)“…We study the dynamics of a three-spine alpha-helical protein chain with quintic non-linearity. The dynamics is found to be governed by a perturbed…”
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12
Exploring the dynamic interplay of intermodal and higher order dispersion in nonlinear negative index metamaterials
Published in Physica scripta (01-08-2024)“…Our study delves into the intricate interplay of various factors within metamaterials, with a focus on modulation instability. Through our research, we…”
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13
(2+1)-dimensional unstable matter waves in self-interacting pseudospin-1/2 BECs under combined Rashba and Dresselhaus spin-orbit couplings
Published in Physics letters. A (05-08-2022)“…•Open two-dimensional two-component Bose-Einstein condensates are studied.•Rashba-Dresselhaus spin-orbit coupling and the Lee-Huang-Yang term are…”
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14
Effect of inhomogeneity in energy transfer through alpha helical proteins with interspine coupling
Published in Communications in nonlinear science & numerical simulation (01-08-2014)“…•The dynamics of homogeneous and inhomogeneous alpha helical proteins with interspine coupling is under investigation.•The resulting dynamical equations are…”
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15
Modulational instability and droplet formation in Bose-Bose mixtures with Lee-Huang-Yang correction and polaron-like impurity
Published in Physics letters. A (15-10-2023)“…This letter studies the excitation of nonlinear patterns on the one-dimensional (1D) quantum droplet in the presence of polaron-like impurity under…”
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16
Periodic and nonperiodic amplifications of attosecond solitons in an inhomogeneous lossy optical fiber
Published in Optik (Stuttgart) (01-02-2022)“…We investigate the variable-coefficient generalized higher order nonlinear Schrödinger equation which governing the attosecond optical soliton propagation in…”
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17
Impact of external potential and non-isospectral functions on optical solitons and modulation instability in a cubic quintic nonlinear media
Published in Chaos, solitons and fractals (01-06-2022)“…We investigate the non-isospectral generalized higher order NLS equation (GHNLS) with external potential which is unswervingly represents the ultrashort…”
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18
Stochastic harmonies: navigating Brownian paths through magnetic fields with Langevin approach
Published in European physical journal plus (27-10-2024)“…In this study, we explore a system where charged particles are subjected to a harmonic potential while immersed in a constant magnetic field, manifesting…”
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19
Attosecond soliton switching through the interactions of two and three solitons in an inhomogeneous fiber
Published in Chaos, solitons and fractals (01-11-2021)“…•The variable coefficient NLS equation with higher order effects is examined.•Attosecond two and three solitons are attained by means of Darboux method.•For…”
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20
Optical bullets with cross-spatio dispersion and multiplicative white noise
Published in Journal of optics (New Delhi) (06-09-2024)“…The current work addresses optical bullets with spatio-dispersive effects, in addition to chromatic dispersion along the three orthogonal directions, in…”
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