Results 1 to 10 of about 33,413 (153)

High-order harmonic generation in an organic molecular crystal [PDF]

open access: yesNature Communications
High-order harmonic generation (HHG) is a powerful tool for probing electronic structure and ultrafast dynamics in matter. Traditionally studied in atomic and molecular gases, HHG has recently been extended to condensed matter, enabling all-optical ...
Falk-Erik Wiechmann   +8 more
doaj   +6 more sources

High-Order Harmonic Generation in Au Nanoparticle-Contained Plasmas [PDF]

open access: yesNanomaterials, 2020
Gold nanoparticles (NPs) have a wide range of applications in various fields. Here, we present high-order nonlinear optical studies of the plasmas produced from ablation of Au bulk targets and Au NP films deposited on paper and glass substrates ...
Mottamchetty Venkatesh   +10 more
doaj   +2 more sources

Femtosecond Single Cycle Pulses Enhanced the Efficiency of High Order Harmonic Generation [PDF]

open access: yesMicromachines, 2021
High-order harmonic generation is a nonlinear process that converts the gained energy during light-matter interaction into high-frequency radiation, thus resulting in the generation of coherent attosecond pulses in the XUV and soft x-ray regions.
Abdelmalek Taoutioui, Hicham Agueny
doaj   +2 more sources

Electron Dynamics and Correlations During High-Order Harmonic Generation in Be [PDF]

open access: yesFrontiers in Chemistry, 2022
We investigate theoretically the high-order harmonic generation in beryllium atom irradiated by a short 1850 nm linearly polarized laser pulse in the intermediate strong-field ionization regime with the Keldysh parameter of 0.85.
Eric Kutscher   +2 more
doaj   +2 more sources

Recent trends in high-order harmonic generation in solids

open access: yesAdvances in Physics: X, 2022
High-order harmonic generation in solids, the nonlinear up-conversion of coherent radiation resulting from the interaction of a strong and short laser pulse with a solid sample, has come to age.
Jongkyoon Park   +3 more
doaj   +2 more sources

High-order harmonic generation from the dressed autoionizing states [PDF]

open access: yesNature Communications, 2017
High-energy photons in XUV range and attosecond pulses are generated from infrared laser pulses through high harmonic generation in gases and solids.
M. A. Fareed   +6 more
doaj   +2 more sources

Femtosecond Laser-Micromachining of Glass Micro-Chip for High Order Harmonic Generation in Gases [PDF]

open access: yesMicromachines, 2020
We report on the application of femtosecond laser micromachining to the fabrication of complex glass microdevices, for high-order harmonic generation in gas.
Anna G. Ciriolo   +6 more
doaj   +2 more sources

Phase-matched high-order harmonic generation in pre-ionized noble gases [PDF]

open access: yesScientific Reports, 2022
One of the main difficulties of efficiently generating high-order harmonics in long neutral-gas targets is to reach the phase-matching conditions. The issue is that the medium cannot be sufficiently ionized by the driving laser due to plasma defocusing ...
O. Finke   +10 more
doaj   +2 more sources

Tunable high-order harmonic generation in GeSbTe nano-films [PDF]

open access: yesNanophotonics
High-order harmonic generation (HHG) in solids opens new frontiers in ultrafast spectroscopy of carrier and field dynamics in condensed matter, picometer resolution structural lattice characterization and designing compact platforms for attosecond pulse ...
Korolev Viacheslav   +11 more
doaj   +2 more sources

High-order-harmonic generation of a doped semiconductor [PDF]

open access: yesPhysical Review A, 2017
We investigate the high-order harmonic generation (HHG) in doped semiconductors. The HHG is simulated with the single-electron time-dependent Schrödinger equation (TDSE). The results show that the high-order harmonics in the second plateau generated from the doped semiconductors is about 1 to 3 orders of magnitude higher than those from the undoped ...
Xiaosong Zhu, Liang Li, Xi Liu
exaly   +3 more sources

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