When solids are exposed to intense laser fields whose forces are comparable to the binding
forces of valence electrons in crystals, nonlinear optics of solids advances to the …

High-harmonic generation in atomic gases has been studied for decades, and has formed
the basis of attosecond science. Observation of high-order harmonics from bulk crystals was …

The advent of visible-infrared laser pulses carrying a substantial fraction of their energy in a
single field oscillation cycle has opened a new era in the experimental investigation of …

This paper has been prepared by the Symphony collaboration (University of Warsaw,
Uniwersytet Jagielloński, DESY/CNR and ICFO) on the occasion of the 25th anniversary of …

High–harmonic generation (HHG) in gases has been the main enabling technology of
attosecond science since its discovery. Recently, HHG from solids has been demonstrated …

Intense laser-matter interactions are at the center of interest in research and technology
since the development of high-power lasers. They have been widely used for fundamental …

Since the first observation of odd and even high-order harmonics generated from ZnO
crystals in 2011, the dependence of the harmonic yields on the orientation of the laser …

We present a theoretical demonstration on the generation of entangled coherent states and
of coherent state superpositions, with photon numbers and frequencies orders of magnitude …

High-order harmonic spectra from solid materials driven by single-color multicycle laser
fields sometimes contain even harmonics. In this work we attribute the appearance of even …

Interaction of intense lasers with solid materials offers an alternative way to achieve high-
order harmonic generation (HHG). Since the underlying mechanisms of the harmonic …