Theory of strong-field attosecond transient absorption

M Wu, S Chen, S Camp, KJ Schafer… - Journal of Physics B …, 2016 - iopscience.iop.org
Attosecond transient absorption is one of the promising new techniques being developed to
exploit the availability of sub-femtosecond extreme ultraviolet (XUV) pulses to study the …

Reconstruction and control of a time-dependent two-electron wave packet

C Ott, A Kaldun, L Argenti, P Raith, K Meyer, M Laux… - Nature, 2014 - nature.com
The concerted motion of two or more bound electrons governs atomic and molecular, non-
equilibrium processes including chemical reactions, and hence there is much interest in …

Theoretical methods for attosecond electron and nuclear dynamics: applications to the H2 molecule

A Palacios, JL Sanz-Vicario… - Journal of Physics B …, 2015 - iopscience.iop.org
Attosecond science, born at the beginning of this century with the generation of the first
bursts of light with durations shorter than a femtosecond, has opened the way to look at …

Modulation of attosecond beating in resonant two-photon ionization

Á Jiménez-Galán, L Argenti, F Martín - Physical Review Letters, 2014 - APS
We present a theoretical study of the photoelectron attosecond beating due to interference of
two-photon transitions in the presence of autoionizing states. We show that, as a harmonic …

Real-time reconstruction of the strong-field-driven dipole response

V Stooß, SM Cavaletto, S Donsa, A Blättermann… - Physical Review Letters, 2018 - APS
The reconstruction of the full temporal dipole response of a strongly driven time-dependent
system from a single absorption spectrum is demonstrated, only requiring that a sufficiently …

Controlling laser-dressed resonance line shape using attosecond extreme-ultraviolet pulse with a spectral minimum

Y Fu, B Wang, K Wang, X Tang, B Li… - Proceedings of the …, 2024 - National Acad Sciences
High-harmonic generation from a gas target exhibits sharp spectral features and rapid
phase variation near the Cooper minimum. By applying spectral filtering, shaped isolated …

Transmission of an isolated attosecond pulse in a strong-field dressed atom

AN Pfeiffer, SR Leone - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
The optical properties of matter can be manipulated by coupling a strong field to an optical
transition. The concepts of Autler-Townes splitting and electromagnetically induced …

Dressing effects in the attosecond transient absorption spectra of doubly excited states in helium

L Argenti, Á Jiménez-Galán, C Marante, C Ott, T Pfeifer… - Physical Review A, 2015 - APS
Strong-field manipulation of autoionizing states is a crucial aspect of electronic quantum
control. Recent measurements of the attosecond transient absorption spectrum (ATAS) of …

Photoabsorption of attosecond XUV light pulses by two strongly laser-coupled autoionizing states

WC Chu, CD Lin - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
We study theoretically the photoabsorption spectra of an attosecond extreme ultraviolet
(XUV) pulse by a laser-dressed atomic system. A weak XUV excites an autoionizing state …

Absorption and emission of single attosecond light pulses in an autoionizing gaseous medium dressed by a time-delayed control field

WC Chu, CD Lin - Physical Review A—Atomic, Molecular, and Optical …, 2013 - APS
An extreme ultraviolet (EUV) single attosecond pulse passing through a laser-dressed
dense gas is studied theoretically. The weak EUV pulse pumps the helium gas from the …