Elliptical high-order harmonic generation from driven by orthogonally polarized two-color laser fields

XX Huo, YH Xing, T Qi, Y Sun, B Li, J Zhang, XS Liu - Physical Review A, 2021 - APS
We theoretically investigate the elliptical high-order harmonic generation from the H 2+
molecule driven by the orthogonally polarized two-color laser field by numerically solving …

Imprints of multielectron polarization effects in odd-even harmonic generation from co molecules

HT Nguyen, KNH Nguyen, NL Phan, CT Le, DD Vu… - Physical Review A, 2022 - APS
Dynamic core-electron polarization (DCeP) is a correction to the single-active electron (SAE)
approximation by considering a response of the core electrons to the time-dependent laser …

High ellipticity of harmonics from molecules in strong laser fields of small ellipticity

FJ Sun, C Chen, WY Li, X Liu, W Li, YJ Chen - Physical Review A, 2021 - APS
We study high-order harmonic generation (HHG) from aligned molecules in strong
elliptically polarized laser fields numerically and analytically. Our simulations show that the …

Parameter-free retrieval of subcycle asymmetry of polar molecules by high-order harmonic spectroscopy

KNH Nguyen, NL Phan, CT Le, DD Vu, VH Le - Physical Review A, 2022 - APS
Retrieving atomic and molecular properties from entangling macroscopic measurements is
an ambitious task. In particular, the phase difference between the adjacent attosecond …

Time-resolved studies on odd-even harmonic emission from oriented in strong orthogonal two-color laser fields

JY Che, CY Zhang, JN Wu, WY Li, YJ Chen - Physical Review A, 2024 - APS
We study high-order harmonic generation (HHG) from oriented asymmetric molecule HeH+
in strong orthogonally polarized two-color (OTC) laser fields numerically and analytically …

Laser-target symmetry breaking in high-order harmonic generation: From frequency shift to odd-even intensity modulation

DA Trieu, VH Le, NL Phan - Physical Review A, 2024 - APS
Although the frequency shift and odd-even intensity modulation in high-order harmonic
generation (HHG) have both been observed for asymmetric laser-target systems, they are …

General characterization of partially oriented polar molecules by the time-frequency profile of high-order harmonic generation

NL Phan, KNH Nguyen, CT Le, DD Vu, K Tran, VH Le - Physical Review A, 2020 - APS
For polar molecules, the degree of orientation is an essential variable with many interesting
manifestations in strong-field phenomena. However, there is no direct way to measure the …

Effect of ionization asymmetry on high harmonic generation from oriented CO in orthogonal two-color fields

Y Yang, L Liu, J Zhao, Y Tu, J Liu… - Journal of Physics B …, 2021 - iopscience.iop.org
We investigate the high harmonic generation from oriented CO molecules in orthogonal two-
color (OTC) fields by solving the three-dimensional time-dependent Hartree–Fock equation …

Laser-target symmetry-breaking in high harmonic generation: from frequency shift to odd-even intensity modulation

DA Trieu, VH Le, NL Phan - arXiv preprint arXiv:2406.08786, 2024 - arxiv.org
Although the frequency shift and odd-even intensity modulation in high-order harmonic
generation (HHG) have both been observed for asymmetric laser-target systems, they are …

Probing orientation degrees of polar molecule from high-order harmonic generation: the case of partial alignment

KNH Nguyen, NL Phan, CT Le… - Journal of Physics …, 2021 - iopscience.iop.org
Recently, we have proposed a general method to probe the whole range of degrees of
orientation based on the time-frequency profile of high-order harmonic generation (HHG) but …