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

The interaction of subpicosecond laser pulses with magnetically ordered materials has
developed into a fascinating research topic in modern magnetism. From the discovery of …

Magnetic phenomena are ubiquitous in nature and indispensable for modern science and
technology, but it is notoriously difficult to change the magnetic order of a material in a rapid …

The enigmatic interplay between electronic and magnetic phenomena observed in many
early experiments and outlined in Maxwell's equations propelled the development of …

This year the discovery of femtosecond demagnetization by laser pulses is 20 years old. For
the first time, this milestone work by Bigot and coworkers gave insight directly into the time …

The understanding of how spins move and can be manipulated at pico-and femtosecond
timescales has implications for ultrafast and energy-efficient data-processing and storage …

The roles of energy, momentum and orbital angular momentum conservation in high-
harmonic generation were studied in the past. Here, we explore the role of spin angular …

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

Abstract Magneto-optical (MO) effects, viz. magnetically induced changes in light intensity or
polarization upon reflection from or transmission through a magnetic sample, were …

Ferromagnetic or antiferromagnetic spin ordering is governed by the exchange interaction,
the strongest force in magnetism,,,. Understanding spin dynamics in magnetic materials is …