Interference Processes During Reradiation of Attosecond Pulses of Electromagnetic Field by Graphene
Sign Up to like & getrecommendations! Published in 2018 at "Russian Physics Journal"
DOI: 10.1007/s11182-018-1360-3
Abstract: Interference spectra during reradiation of attosecond pulses of electromagnetic field by graphene sheets are considered. Analytical expressions for calculations of spectral distributions are derived. As an example, the interference spectra of a graphene sheet and… read more here.
Keywords: electromagnetic field; pulses electromagnetic; interference; field graphene ... See more keywords
Terawatt-scale optical half-cycle attosecond pulses
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-21052-2
Abstract: Extreme-ultravoilet (XUV) attosecond pulses with durations of a few tens of attosecond have been successfully applied for exploring ultrafast electron dynamics at the atomic scale. But their weak intensities limit the further application in demonstrating… read more here.
Keywords: half cycle; cycle attosecond; attosecond; cycle ... See more keywords
Generating attosecond pulses with high ellipticity by use of He atoms
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2019.1632949
Abstract: ABSTRACT To control the polarization of attosecond pulse trains (APTs), the most widely used way is to adjust the intensity ratio between the two components in a bicircular laser field. Here we demonstrate another effective… read more here.
Keywords: field; generating attosecond; attosecond pulses; laser field ... See more keywords
Enhanced extreme ultraviolet free induction decay emission assisted by attosecond pulses
Sign Up to like & getrecommendations! Published in 2023 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/40/6/063201
Abstract: We demonstrate that the extreme ultraviolet free induction decay emission can be significantly enhanced by employing isolated attosecond pulses. In this work, the near infrared pulses are applied to excite the neon atoms into Rydberg… read more here.
Keywords: induction decay; attosecond pulses; extreme ultraviolet; free induction ... See more keywords
Circularly polarized attosecond pulses generation from laser interaction with magnetized sub-critical plasmas
Sign Up to like & getrecommendations! Published in 2023 at "Plasma Physics and Controlled Fusion"
DOI: 10.1088/1361-6587/accd1b
Abstract: We propose a method to generate circularly polarized (CP) attosecond pulses by the interactions of a relativistic-intensity right-hand CP laser pulse and magnetized sub-critical plasma. It is theoretically and numerically demonstrated that when an external… read more here.
Keywords: laser; sub critical; attosecond; polarized attosecond ... See more keywords
Controlling polarization of attosecond pulses with plasmonic-enhanced bichromatic counter-rotating circularly polarized fields
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.103.013104
Abstract: The use of bichromatic counter-rotating laser field is known to generate high-order harmonics with nonzero ellipticity. By combining such laser field with a plasmonic-enhanced spatially inhomogeneous field, we propose a way to influence the subcycle… read more here.
Keywords: field; counter rotating; attosecond pulses; bichromatic counter ... See more keywords
Optical Chirality in Nonlinear Optics: Application to High Harmonic Generation.
Sign Up to like & getrecommendations! Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.120.133206
Abstract: Optical chirality (OC)-one of the fundamental quantities of electromagnetic fields-corresponds to the instantaneous chirality of light. It has been utilized for exploring chiral light-matter interactions in linear optics, but has not yet been applied to… read more here.
Keywords: chirality; optics; generation; optical chirality ... See more keywords
Frequency gating to isolate single attosecond pulses with overdense plasmas using particle-in-cell simulations.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.013372
Abstract: We present the isolation of single attosecond pulses for multi-cycle and few-cycle laser pulses from high harmonic generation in overdense plasmas, calculated with particle-in-cell simulations. By the combination of two laser pulses of equal amplitude… read more here.
Keywords: laser; attosecond; particle cell; attosecond pulses ... See more keywords
Intense attosecond pulses from laser-irradiated near-critical-density plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Optics Express"
DOI: 10.1364/oe.25.029058
Abstract: A novel practical and efficient way of obtaining intense attosecond pulses is proposed, where the near-critical-density (NCD) plasma target satisfying n0/a0nc ≈ 1 is used. The unique interaction dynamics in NCD plasmas have been identified… read more here.
Keywords: attosecond; near critical; intense attosecond; attosecond pulses ... See more keywords
Proposal for complete characterization of attosecond pulses from relativistic plasmas.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.444043
Abstract: In this study, we propose two full-optical-setup and single-shot measurable approaches for complete characterization of attosecond pulses from surface high harmonic generation (SHHG): SHHG-SPIDER (spectral phase interferometry for direct electric field reconstruction) and SHHG-SEA-SPIDER (spatially… read more here.
Keywords: characterization attosecond; attosecond pulses; pulses relativistic; attosecond ... See more keywords
Theoretical Study: High Harmonic Generation by Light Transients
Sign Up to like & getrecommendations! Published in 2018 at "Applied Sciences"
DOI: 10.3390/app8050728
Abstract: The dynamic of electron densities in matter upon the interaction with an intense, few-cycle electric field of light causes variety of nonlinear phenomena. Capturing the spatiotemporal dynamics of electrons calls for isolated attosecond pulses in… read more here.
Keywords: theoretical study; attosecond; photon energies; study high ... See more keywords