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Few-Cycle Two-Frequency Spatiotemporal Solitons in the Absence of Group Velocity Dispersion at One of the Components
AbstractA study is performed of the generation of the second harmonic by pulses with durations of several periods of light oscillations at zero...
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Analysis of time-fractional Schrödinger equation with group velocity dispersion coefficients and second-order spatiotemporal effects: a new Kudryashov approach
This study investigates the application of the novel Kudryashov approach to a time-fractional nonlinear Schrödinger model featuring second-order...
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Self-Focusing of Pulsed Terahertz Radiation with a Spectrum in the Region of Anomalous Group-Velocity Dispersion of a Dielectric Medium
AbstractIt is shown that the self-focusing of pulsed terahertz radiation with a spectrum in a region of anomalous group-velocity dispersion of a...
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Various exact optical soliton solutions for time fractional Schrodinger equation with second-order spatiotemporal and group velocity dispersion coefficients
In this paper, the extended simplest equation technique is considered to construct various exact optical solutions to the time-fractional nonlinear...
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Specific Features of the Self-Action Dynamics of Wave Packets with Initially Normal Group-Velocity Dispersion in Nonlinear Lattices
AbstractSpecific features of the self-action of wave fields are studied in the framework of a discrete nonlinear Schrödinger equation (DNSE). It is...
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The Environmental Dependence of the Stellar Velocity Dispersion of Active Galactic Nucleus (AGN) Host Galaxies and Dependence of the Clustering Properties of AGN Host Galaxies on the Stellar Velocity Dispersion
We use two volume-limited active galactic nucleus (AGN) host galaxy samples constructed by Deng & Wen [47], and explore the environmental dependence...
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Spatio-temporal couplings for controlling group velocity in longitudinally pumped seeded soft X-ray lasers
Controlling the group velocity of an ultrashort laser pulse by means of spatio-temporal couplings has been proposed to overcome the inherent...
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Numerical simulation of asymmetric dual-core fiber with large group-velocity dispersion
The asymmetric dual-core fiber (ADCF) is proposed to obtain large group velocity dispersion (GVD) because of the coupling effects between the...
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Near-zero-dispersion soliton and broadband modulational instability Kerr microcombs in anomalous dispersion
The develo** advances of microresonator-based Kerr cavity solitons have enabled versatile applications ranging from communication, signal...
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Spectral Broadening of Femtosecond Optical Vortices at Filamentation in Fused Silica under the Conditions of the Anomalous Group Velocity Dispersion
AbstractFeatures of the spectral broadening of femtosecond optical vortices at self-action in a medium with the anomalous group velocity dispersion...
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Managed Dispersion of Propagation Constants of TE2 Modes of a Thin Left-Handed Film on a Kerr Substrate near Frequencies of Group Velocity Zero
AbstractDispersion of propagation constants of TE 2 modes of a thin left-handed film on a substrate with the Kerr effect is considered in a narrow...
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Numerical computation of the nonlinear Schrödinger equation with higher order group velocity dispersion and frequency-dependent gain using the differential method
The response of light in a nonlinear dispersive medium is governed by the nonlinear Schrödinger equation (NLSE). In general, for higher order group...
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Diffraction-Ray Optics of Femtosecond Laser Pulses Propagating in Air Under the Influence of the Normal Group Velocity Dispersion
Results of theoretical study of the femtosecond Ti:Sa laser pulse propagation in air under the influence of the normal group velocity dispersion are...
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Influence of Dispersion on Dynamics of the Anti-Stokes Broadening of the Femtosecond Pulse Spectrum during Filamentation in Fused Silica
AbstractThe spectrum transformation of a femtosecond wave packet during filamentation in fused silica under conditions of normal, zero, and anomalous...
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Investigation of pulse propagation through a nanostructured core fiber by calculating its dispersion properties
Novel types of optical fibers known as nanostructured core fibers were recently fabricated. In the present paper, we calculated the dispersion...
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Tailoring microcombs with inverse-designed, meta-dispersion microresonators
Nonlinear wave mixing in optical microresonators offers new perspectives to generate compact optical-frequency microcombs, which enable an...
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Solitons in dual-core optical fibers with chromatic dispersion
In this paper, some analytical solutions for a model of dual-core optical fibers governed by a system of coupled non-linear Schrödinger equations...
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Dispersion Characteristics of Low-Frequency Electron Waves in a Magnetoactive Plasma of Arbitrary Density
AbstractThe article studies waves in a collisionless magnetoactive plasma with frequencies much lower than the electron cyclotron frequency at an...
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Symmetrically dispersion-engineered microcombs
Normal-dispersion microcombs have gained significant attention for their features, including high conversion efficiency, deterministic generation,...
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Dispersion and Energy Characteristics of Bending Waves in a Plate Lying on a Two-Parameter Elastic Foundation
The propagation of bending waves in a plate resting on a two-parameter elastic foundation is considered. In contrast to the classical Kirchhoff...
