Over the last 20 years, XUV and X-ray free-electron lasers have enabled a wide variety of
time-resolved experiments that have dramatically advanced our understanding of ultrafast …

Abstract Short wavelength Free-Electron Lasers (FELs) are among the newest light sources
available to scientists to probe a wide range of phenomena, with chemical, physical and …

In ultrafast spectroscopy, the temporal resolution of time-resolved experiments depends on
the duration of the pump and probe pulses, and on the control and characterization of their …

Attosecond chronoscopy is central to the understanding of ultrafast electron dynamics in
matter from gas to the condensed phase with attosecond temporal resolution. It has …

Characterizing time delays in molecular photoionization as a function of the ejected electron
emission direction relative to the orientation of the molecule and the light polarization axis …

We demonstrate the generation of extreme-ultraviolet (XUV) free-electron laser (FEL) pulses
with time-dependent polarization. To achieve polarization modulation on a femtosecond …

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 …

By numerically solving the three-dimensional time-dependent Schrödinger equation, we
have studied the energy-and angle-resolved time delay in H 2+ photoionization using the …

We report a theoretical investigation of photoionization by a pair of coherent, ultrashort,
fundamental and second-harmonic extreme-ultraviolet pulses, where the photon energies …

We present an interferometric method for studying the Rabi dynamics in atoms by employing
an ω-2 ω extreme ultraviolet pulse pair generated from the seeded free-electron laser. By …