When solids are exposed to intense laser fields whose forces are comparable to the binding
forces of valence electrons in crystals, nonlinear optics of solids advances to the …

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

Two-dimensional (2D) materials including graphene, transition metal dichalcogenides, black
phosphorus, MXenes, and semimetals have attracted extensive and widespread interest …

Optical bound states in the continuum (BICs) underpin the existence of strongly localized
waves embedded into the radiation spectrum. Here we bring the concept of BICs to the field …

Nonlinear frequency mixing is a method to extend the wavelength range of optical sources
with applications in quantum information and photonic signal processing. Lithium niobate …

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

Recent progress in high power ultrafast short-wave and mid-wave infrared lasers has
enabled gas-phase high harmonic generation (HHG) in the water window and beyond, as …

Since the first demonstration of the generation of attosecond pulses (1 as= 10− 18 s) in the
extreme-ultraviolet spectral region, several measurement techniques have been introduced …

We report the observation of an anomalous nonlinear optical response of the prototypical
three-dimensional topological insulator bismuth selenide through the process of high-order …

Abstract 2D materials are emerging as ideal candidates for fundamental investigations and
new technologies due to their unique optoelectronic properties. Giant nonlinear …