Suppressing small-scale self-focusing of high-power femtosecond pulses

M Martyanov, V Ginzburg, A Balakin… - High Power Laser …, 2023 - cambridge.org
It was shown experimentally that for a 65-fs 17-J pulse, the effect of filamentation instability,
also known as small-scale self-focusing, is much weaker than that predicted by stationary …

Self-phase modulation and frequency generation with few-cycle optical pulses in nonlinear dispersive media

AA Drozdov, SA Kozlov, AA Sukhorukov… - Physical Review A …, 2012 - APS
We analyze nonlinear effects associated with the spatiotemporal propagation of few-cycle
optical pulses in nonlinear dispersive media, including nonlinearity-induced self-phase …

Few-cycle optical pulses in negative index materials with dispersive permittivity and permeability

M Abémgnigni Njifon, CB Tabi… - Journal of the Optical …, 2020 - opg.optica.org
Propagation of few-cycle optical pulses in nonlinear optical Kerr (cubic) and non-Kerr
(quintic) type metamaterials, exhibiting frequency-dependent dielectric susceptibility and …

Numerical modeling of quasitransient backward Raman amplification of laser pulses in moderately undercritical plasmas with multicharged ions

AA Balakin, NJ Fisch, GM Fraiman, VM Malkin… - Physics of …, 2011 - pubs.aip.org
It was proposed recently that powerful optical laser pulses could be efficiently compressed
through backward Raman amplification in ionized low density solids, in spite of strong …

Self-compression of soliton-like laser pulses in the process of self-focusing

AA Balakin, AG Litvak, VA Mironov… - Journal of …, 2017 - iopscience.iop.org
We study the possibility of efficient self-compression of femtosecond laser pulses in
nonlinear media with anomalous dispersion of group velocity during the self-focusing of …

Compression of femtosecond petawatt laser pulses in a plasma under the conditions of wake-wave excitation

AA Balakin, AG Litvak, VA Mironov, SA Skobelev - Physical Review A—Atomic …, 2013 - APS
We propose the concept of a plasma compressor capable of producing extremely short
relativistic laser pulse, which is based on the studies of self-focusing of high-power laser …

Evolution of few-cycle pulses in nonlinear dispersive media: Velocity of the center of mass and root-mean-square duration

YA Kapoyko, AA Drozdov, SA Kozlov, XC Zhang - Physical Review A, 2016 - APS
Simple arithmetic dependencies of the velocity of the mass center motion and the root-mean-
square duration of initially single-cycle, two-cycle, and Gaussian pulses with a random …

Self-compression of relativistically strong femtosecond laser pulses during the excitation of a plasma wake wave

AA Balakin, AG Litvak, VA Mironov… - Europhysics …, 2012 - iopscience.iop.org
A new concept of the development of plasma compressor for generation of extremely short,
relativistically strong femtosecond pulses at a petawatt power level is proposed. The …

[PDF][PDF] Modeling of ultrashort optical pulses in nonlinear fibers

S Amiranashvili - 2022 - archive.wias-berlin.de
This work deals with theoretical aspects of pulse propagation. The core focus is on extreme,
few-cycle pulses in optical fibers, pulses that are strongly affected by both dispersion and …

Optical shock and blow-up of ultrashort pulses in transparent media

P Whalen, JV Moloney, AC Newell, K Newell… - Physical Review A …, 2012 - APS
Ultrashort pulses can exhibit two distinctive types of singularity: self-focusing collapse and
self-steepening shock. We examine various ultrashort pulse propagation models and their …