Spatiotemporal vortices of light, featuring transverse orbital angular momentum (OAM) and
energy circulation in the spatiotemporal domain, have received increasing attention recently …

Orbital angular momentum (OAM) of light is an important feature of structured
electromagnetic fields exhibiting non-uniform spatial distribution. In contrast to a spin …

Free-electron lasers and high-harmonic-generation table-top systems are new sources of
extreme-ultraviolet to hard X-ray photons, providing ultrashort pulses that are intense …

Spatiotemporal sculpturing of light pulses with sophisticated structures on demand is one
major goal of the everlasting pursuit of ultrafast information transmission and processing as …

Today we are witnessing the electric–dipole revolution in chiral measurements. Here we
reflect on its lessons and outcomes, such as the perspective on chiral measurements using …

Major advances in X-ray sources including the development of circularly polarized and
orbital angular momentum pulses make it possible to probe matter chirality at …

Helical dichroism (HD) utilizing unbounded orbital angular momentum degree of freedom,
has provided an important means of exploring chiral effects in diverse wave systems …

In this work we undertake a systematic study of the optical chirality density of Laguerre-
Gaussian and Bessel laser beams tightly focused into nanoscale volumes. In particular we …

Ultrashort laser pulses are unique tools to trigger and probe the fastest charge dynamics in
matter, allowing the investigation of fundamental physical phenomena with unprecedented …

Elementary events that determine photochemical outcomes and molecular functionalities
happen on the femtosecond and subfemtosecond timescales. Among the most ubiquitous …