Directly observing atomic motions in molecules during chemical dynamics has long
constituted one of the grand challenges in chemistry. 1 The emergence of X-ray free …

Ultrafast control of magnetization on the nanometer length scale, in particular all-optical
switching, is key to putting ultrafast magnetism on the path toward future technological …

The concept of critical ionization fraction has been essential for high-harmonic generation,
because it dictates the maximum driving laser intensity while preserving the phase matching …

Currently, laser systems based on active elements doped with Yb3+ with simultaneously
high pulse repetition rates and high peak power are in demand for many applications. High …

In this work, we introduce a simplified approach to efficiently extend the high harmonic
generation (HHG) cutoff in gases without the need for laser frequency conversion via …

Considering the growing interest in magnetic materials for unconventional computing, data
storage, and sensor applications, there is active research not only on material synthesis but …

Nonadiabatic phase matching of high-harmonic generation (HHG) driven by few-cycle laser
pulses is essential for extending harmonic energy and generating isolated attosecond …

In recent years, significant advancements in high-repetition-rate, high-average-power mid-
infrared laser pulses have enabled the generation of tabletop high-flux coherent soft x-ray …

Time-resolved soft-x-ray-diffraction experiments give access to microscopic processes in a
broad range of solid-state materials by probing ultrafast dynamics of ordering phenomena …

We present a method for achieving hyperspectral magnetic imaging in the extreme
ultraviolet (EUV) region based on high-harmonic generation (HHG). By interfering two …