Recent progress in utilizing ultrafast light-matter interaction to control the macroscopic
properties of quantum materials is reviewed. Particular emphasis is placed on photoinduced …

Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

Since the discovery of electron-wave duality, electron scattering instrumentation has
developed into a powerful array of techniques for revealing the atomic structure of matter …

When electrons in a solid are excited by light, they can alter the free energy landscape and
access phases of matter that are out of reach in thermal equilibrium. This accessibility …

Free electron beams such as those employed in electron microscopes have evolved into
powerful tools to investigate photonic nanostructures with an unrivaled combination of …

Understanding microscopic processes in materials and devices that can be switched by light
requires experimental access to dynamics on nanometer length and femtosecond time …

Topological states of matter exhibit fascinating physics combined with an intrinsic stability. A
key challenge is the fast creation of topological phases, which requires massive …

Upon excitation with an intense laser pulse, a symmetry-broken ground state can undergo a
non-equilibrium phase transition through pathways different from those in thermal …

Charge density waves are wave-like modulations of a material's electron density that display
collective amplitude and phase dynamics. The interaction with atomic impurities induces …

Active optical control over matter is desirable in many scientific disciplines, with prominent
examples in all-optical magnetic switching,, light-induced metastable or exotic phases of …