In quantum materials, emergent functional properties resulting from strong correlations or
electronic topology offer opportunities for new applications. Over the past decade, ultrafast …

Strong–laser–field physics is a research direction that relies on the use of high-power lasers
and has led to fascinating achievements ranging from relativistic particle acceleration to …

High harmonic generation (HHG) has developed in recent years as a promising tool for
ultrafast materials spectroscopy. At the forefront of these advancements, several works …

Nonlinear optics is of crucial importance in several fields of science and technology with
applications in frequency conversion, entangled‐photon generation, self‐referencing of …

Competition and cooperation among orders is at the heart of many-body physics in strongly
correlated materials and leads to their rich physical properties. It is crucial to investigate …

We reveal the crucial effect of strong spin-charge coupling on high-harmonic generation
(HHG) in Mott insulators. In a system with antiferromagnetic correlations, the HHG signal is …

By employing the exact diagonalization method, we investigate the high-harmonic
generation (HHG) of the correlated systems under the strong laser irradiation. For the …

We explore pump-probe high harmonic generation (HHG) from monolayer hexagonal-boron-
nitride, where a terahertz pump excites coherent optical phonons that are subsequently …

We report on the nonlinear optical signatures of quantum phase transitions in the high-
temperature superconductor YBCO, observed through high harmonic generation. While the …

Photoinduced phase transitions in correlated materials promise diverse applications from
ultrafast switches to optoelectronics. Resolving those transitions and possible metastable …