Attosecond ionization time delays in strong-field physics

Y Ma, H Ni, J Wu - Chinese Physics B, 2024 - iopscience.iop.org
Electronic processes within atoms and molecules reside on the timescale of attoseconds.
Recent advances in the laser-based pump-probe interrogation techniques have made …

Control of the electron dynamics in solid-state high harmonic generation on ultrafast time scales by a polarization-skewed laser pulse

X Song, S Yang, G Wang, J Lin, L Wang, T Meier… - Optics …, 2023 - opg.optica.org
Since high-order harmonic generation (HHG) from atoms depends sensitively on the
polarization of the driving laser field, the polarization gating (PG) technique was developed …

Light-induced ultrafast molecular dynamics: from photochemistry to optochemistry

H Li, X Gong, H Ni, P Lu, X Luo, J Wen… - The Journal of …, 2022 - ACS Publications
By precisely controlling the waveform of ultrashort laser fields, electronic and nuclear
motions in molecules can be steered on extremely short time scales, even in the attosecond …

Manipulating Parallel and Perpendicular Multiphoton Transitions in Molecules

S Pan, Z Zhang, L Xu, W Zhang, P Lu, Q Ji, K Lin… - Physical Review Letters, 2023 - APS
We demonstrate that dissociative ionization of H 2 can be fully manipulated in an angle-time-
resolved fashion, employing a polarization-skewed (PS) laser pulse in which the …

Rabi oscillations in a stretching molecule

S Pan, C Hu, W Zhang, Z Zhang, L Zhou, C Lu… - Light: Science & …, 2023 - nature.com
Rabi oscillation is an elementary laser-driven physical process in atoms and artificial atoms
from solid-state systems, while it is rarely demonstrated in molecules. Here, we investigate …

[HTML][HTML] Low-energy protons in strong-field dissociation of H2+ via dipole-transitions at large bond lengths

S Pan, C Hu, Z Zhang, P Lu, C Lu, L Zhou, J Wang… - Ultrafast …, 2022 - spj.science.org
More than ten years ago, the observation of the low-energy structure in the photoelectron
energy spectrum, regarded as an “ionization surprise,” has overthrown our understanding of …

Directly revealing the geometric phase effect of dissociative D 2+ by two-color strong field photodissociation

S Zhaopeng, L Yunquan - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
We study the geometric phase (GP) effect of D2+ produced by the encirclement of the
dissociated nuclear wavefunction around the light-induced conical intersection (LICI) using …

Tracking the nuclear movement of the carbonyl sulfide cation after strong-field ionization by time-resolved Coulomb-explosion imaging

X Zhao, T Xu, X Yu, D Ren, X Zhang, X Li, P Ma… - Physical Review A, 2021 - APS
We studied the ultrafast nuclear dynamics during the dissociation of OCS+ molecules using
a strong IR-laser pump and probe technique in combination with the coincidence …

Clocking enhanced ionization of hydrogen molecules with rotational wave packets

Y Mi, P Peng, N Camus, X Sun, P Fross, D Martinez… - Physical Review Letters, 2020 - APS
Laser-induced rotational wave packets of H 2 and D 2 molecules were experimentally
measured in real time by using two sequential 25-fs laser pulses and a reaction microscope …

Young's double-slit interference in a hydrogen atom

PL He, ZH Zhang, F He - Physical Review Letters, 2020 - APS
We demonstrate the possibility of realizing Young's double-slit interference in a hydrogen
atom via ab initio simulations. By exposing the hydrogen atom to a high-frequency intensive …