Key properties of quantum materials stem from dynamic interaction chains that connect
stable electronic quasiparticles through short-lived coherences, which are difficult to control …

Recent progress in high power ultrafast short-wave and mid-wave infrared lasers has
enabled gas-phase high harmonic generation (HHG) in the water window and beyond, as …

High-harmonic generation (HHG) in solids has emerged in recent years as a rapidly
expanding and interdisciplinary field, attracting attention from both the condensed-matter …

High harmonic generation (HHG) has developed in recent years as a promising tool for
ultrafast materials spectroscopy. At the forefront of these advancements, several works …

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 …

In the 60 years since the invention of the laser, the scientific community has developed
numerous fields of research based on these bright, coherent light sources, including the …

We bring together two topics that, until now, have been the focus of intense but non-
overlap** research efforts. The first concerns high-harmonic generation in solids, which …

The sub-laser-cycle timescale of the electronic response to strong fields enables attosecond
dynamical imaging in atoms, molecules and solids,,–, with optical tunnelling and high …

The strong ellipticity dependence of high-harmonic generation (HHG) in gases enables
numerous experimental techniques that are nowadays routinely used, for instance, to create …

Strong-field-driven electric currents in condensed-matter systems are opening new frontiers
in petahertz electronics. In this regime, new challenges are arising as the roles of band …