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

Control and detection of spin order in ferromagnetic materials is the main principle enabling
magnetic information to be stored and read in current technologies. Antiferromagnetic …

Femtosecond stimulated Raman spectroscopy (FSRS) is an ultrafast nonlinear optical
technique that provides vibrational structural information with high temporal (sub‐50 fs) …

Measuring how the magnetic correlations evolve in doped Mott insulators has greatly
improved our understanding of the pseudogap, non-Fermi liquids and high-temperature …

Nonlinear phononics relies on the resonant optical excitation of infrared-active lattice
vibrations to induce targeted structural deformations in solids. This form of dynamical crystal …

The understanding of how the sub-nanoscale exchange interaction evolves in macroscale
correlations and ordered phases of matter, such as magnetism and superconductivity …

Photophysical and photochemical processes are ruled by the interplay between transient
vibrational and electronic degrees of freedom, which are ultimately determined by the …

Despite more than 20 years of development, the underlying physics of the laser-induced
demagnetization process is still debated. We present a fast, real-time time-dependent …

The fate of a Mott insulator under strong low frequency optical driving conditions is a
fundamental problem in quantum many-body dynamics. Using ultrafast broadband optical …

Understanding how fast short-range interactions build up long-range order is one of the
most intriguing topics in condensed matter physics. FeRh is a test specimen for studying this …