Web23 de fev. de 2024 · High-order harmonic generation of atoms irradiated by an ultrashort laser pulse was calculated by numerically solving the time-dependent Schrödinger … Web4 de fev. de 2024 · Introduction. High-order harmonic generation (HHG) has been studied widely in atomic and molecular systems theoretically or experimentally [ 1 – 4 ]. It is a nonlinear phenomenon and has also been used to generate attosecond laser pulses which opens a door to investigate the ultrafast processes [ 5 – 7 ].

Investigation of the Spatio-Temporal Characteristics of High-Order ...

Web23 de mar. de 2024 · [15] Luu T, Garg M, Kruchinin S Y, Moulet A, Hassan M T and Goulielmakis E 2015 Extreme ultraviolet high-harmonic spectroscopy of solids Nature … WebRecently, HHG from solid state materials has attracted much attention [ 12, 13], as it provides an opportunity to probe electron dynamics in solid states and a potential to produce attosecond pulses with an enhanced yield [ … palm beach landings ft myers

Two Color High-Order Harmonic Generation from Solids …

WebHigh-order harmonic generation (HHG) from solids is one source of coherent extreme ultraviolet radiation and is considered as a promising way to obtain attosecond pulses, where the key issue is to enhance HHG yield and control its temporal characteristic. The role of the dopant on enhancement of HHG yield is investigated via solving the time … Web21 de jun. de 2024 · At present, it is widely accepted that HHG in solids comes from two major contributions: intraband current and interband polarization [ 30, 31, 32 ]; the complex coupling between the two mechanisms not only affects the charge injection from the valence band to the conduction band but also affects the motion of excited-state electron wave … Web13 de abr. de 2024 · One of the most fundamental and prominent aspects of nonlinear optics is the high-order harmonic generation (HHG) in gaseous and solids media … sunday afternoon wedding guest attire