Unipolar terahertz pulse formation in a nonequilibrium plasma channel formed by an ultrashort uv laser pulse

AV Bogatskaya, EA Volkova, AM Popov - Physical Review E, 2021 - APS
We perform an alternative approach to produce highly unipolar terahertz pulses. The idea is
based on the nonuniform amplification of seed ultrashort carrier-envelope phase (CEP) …

Three-dimensional modeling of intense unipolar THz pulses formation during their amplification in nonequilibrium extended Xe plasma channel

AV Bogatskaya, EA Volkova, AM Popov - Physical Review E, 2022 - APS
We develop a three-dimensional (3D) fully self-consistent model for analysis of an ultrashort
THz pulse propagation and amplification in a nonequilibrium plasma channel formed in …

New method of unipolar THz pulse generation in photo-ionised xenon plasma

AV Bogatskaya, EA Volkova… - Plasma Sources Science …, 2021 - iopscience.iop.org
We propose a new method for producing terahertz (THz) pulses with a high degree of
unipolarity. This idea is based on the nonuniform amplification of seed THz one-cycle carrier …

Circularly polarized terahertz pulse generation in a plasma channel created by a uv high-intense laser pulse in the presence of a static magnetic field

AV Bogatskaya, NE Gnezdovskaia, AM Popov - Physical Review E, 2020 - APS
This paper is devoted to the problem of obtaining high-intense circularly polarized terahertz
radiation in a nonequilibrium xenon plasma channel in the presence of an external static …

On the possibility of intense unipolar THz pulses formation in nonhomogeneous nonequilibrium nitrogen plasma channels

AV Bogatskaya, EA Volkova, AM Popov - Photonics, 2023 - mdpi.com
We developed a 3D, fully self-consistent model for analysis of the ultrashort THz unipolar
pulse formation accompanied by its amplification in a nonequilibrium plasma channel …

Impact of electron collisions on the skin effect in a photoionized inert gas plasma

KY Vagin, TV Mamontova, SA Uryupin - Physical Review A, 2020 - APS
The interaction of monochromatic electromagnetic radiation with a photoionized plasma
formed during multiphoton ionization of inert gas atoms is studied. It is shown how electron …

The response of nonequilibrium nonstationary plasma created by an intense femtosecond UV laser pulse in rare gases to the emission of the THz frequency band

AV Bogatskaya, AM Popov - Laser Physics Letters, 2019 - iopscience.iop.org
We suggest a new approach for the analysis of the response of plasma created in the
process of multiphoton gas ionization by means of an intense UV laser pulse to the terahertz …

Polarization and frequency-controlled amplification in a nonequilibrium plasma in the presence of an external magnetic field

AV Bogatskaya, EA Volkova… - Plasma Sources Science …, 2022 - iopscience.iop.org
The method of controlling the spectral and polarization characteristics of a terahertz (THz)
pulse during its amplification in nonequilibrium magnetized plasma is investigated. The …

3D modeling of short THz pulse propagation and amplification in the nonequilibrium plasma channel

AV Bogatskaya, EA Volkova… - Journal of the Optical …, 2021 - opg.optica.org
We study numerically the effects of guiding and amplification of short terahertz (THz) pulses
in nonequilibrium photoionized plasma channels formed in xenon by powerful femtosecond …

New approach to the problem of THz generation by intense two-color laser fields

AV Bogatskaya, AM Popov - Laser Physics, 2018 - iopscience.iop.org
In this paper we propose a new approach to the problem of the generation of
electromagnetic radiation of the terahertz bandwidth in nonequilibrium plasma channels …