Generation of isolated sub-10-attosecond pulses in spatially inhomogenous two-color fields

X Cao, S Jiang, C Yu, Y Wang, L Bai, R Lu - Optics Express, 2014 - opg.optica.org
We present a theoretical investigation of high-order harmonic generation in spatially
inhomogeneous two-color laser fields by solving three dimensional time dependent …

Role of nuclear dynamics in high harmonic generation redshift of H2+

S Taghipour, M Vafaee, H Ahmadi - Physica Scripta, 2023 - iopscience.iop.org
The detailed spectral and temporal structures of high-order harmonic generation (HHG)
have provided us with a wealth of information about the highly nonlinear response of atoms …

Isolated few-attosecond emission in a multi-cycle asymmetrically nonhomogeneous two-color laser field

C Yu, Y Wang, X Cao, S Jiang… - Journal of Physics B …, 2014 - iopscience.iop.org
By solving the three-dimensional time-dependent Schrödinger equation, we present a
theoretical investigation of helium-based high-order harmonic generation (HHG) in both …

Isolated attosecond pulse generation from pre-excited medium with a chirped and chirped-free two-color field

H Du, L Luo, X Wang, B Hu - Optics Express, 2012 - opg.optica.org
We theoretically investigate the isolated attosecond pulse generation from pre-excited
medium with a chirped and chirped-free two-color field. It is found that the large initial …

Effect of nuclear motion on high-order-harmonic generation of in intense ultrashort laser pulses

H Ahmadi, A Maghari, H Sabzyan, AR Niknam… - Physical Review A, 2014 - APS
High-order-harmonic generation is investigated for H 2+ and D 2+ with and without a Born-
Oppenheimer approximation by a numerical solution of a full dimensional electronic time …

Understanding molecular harmonic emission at relatively long intense laser pulses: Beyond the Born-Oppenheimer approximation

H Ahmadi, M Vafaee, A Maghari - Physical Review A, 2016 - APS
The underlying physics behind the molecular harmonic emission in relatively long sin 2-like
laser pulses is investigated. We numerically solved the full-dimensional electronic time …

Accurate computation of above threshold ionization spectra for stretched in strong laser fields

H Liang, XR Xiao, Q Gong… - Journal of Physics B …, 2017 - iopscience.iop.org
Investigations on the simplest benchmark system ${{\rm {H}}} _ {2}^{+} $ can reveal most
underlying mechanisms for the intricate dynamics of molecular systems induced by strong …

Nuclear kinetic energy spectra of in an intense laser field: Beyond the Born-Oppenheimer approximation

M Vafaee - Physical Review A—Atomic, Molecular, and Optical …, 2008 - APS
Simultaneously, the vibrational nuclear dynamics and full dimensional electronic dynamics
of a deuterium molecular ion exposed to a linear polarized intense laser field are studied …

Identifying spatially asymmetric high-order harmonic emission in the falling edge of an intense laser pulse

M Vafaee, H Ahmadi, A Maghari - Journal of Physics B: Atomic …, 2016 - iopscience.iop.org
Two different induced effects of a laser falling edge on high-order harmonic generation
(HHG) are resolved by numerically solving the full-dimensional electronic time-dependent …

Complicated high-order harmonic generation due to the falling edge of a trapezoidal laser pulse

H Ahmadi, M Vafaee, A Maghari - Journal of Physics B: Atomic …, 2016 - iopscience.iop.org
High-order harmonic generation (HHG) is investigated for ${{\rm {H}}} _ {2}^{+} $ and its
isotopologues under seven and ten-cycle trapezoidal laser pulses at an 800 nm wavelength …