The excitation of semiconductors with short, off‐resonant, high‐power terahertz pulses
yields extremely nonlinear, ultrafast, dynamical processes including very‐high harmonic …

We theoretically study high-order-harmonic generation (HHG) from solids driven by intense
laser pulses using a one-dimensional model periodic crystal. By numerically solving the time …

We theoretically investigate high harmonic generation (HHG) from silicon thin films with
thicknesses from a few atomic layers to a few hundreds of nanometers, to determine the …

Attosecond metrology sensitive to sub-optical-cycle electronic and structural dynamics is
opening up new avenues for ultrafast spectroscopy of condensed matter. Using intense …

The interaction of laser fields with solid-state systems can be modeled efficiently within the
velocity-gauge formalism of real-time time dependent density functional theory (RT-TDDFT) …

We calculate the dielectric response of crystalline silicon following irradiation by a high-
intensity laser pulse, modeling the dynamics by the time-dependent Kohn-Sham equations …

A theoretical investigation is conducted of high-order harmonic generation (HHG) in silicon
thin films to elucidate the effect of light propagation in reflected and transmitted waves. The …

In this paper a method is presented for calculating the subcycle rate for transitions of
electrons between two bands of a sinusoidal band structure. A simple closed-form …

We theoretically investigate the dynamical Franz-Keldysh effect in femtosecond time
resolution, that is, the time-dependent modulation of a dielectric function at around the band …

Diamond laser engineering is of great importance for designing devices, which find
applications in radiation sensing and quantum technologies. A review of the present state of …