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 …

Free-electron lasers and high-harmonic-generation table-top systems are new sources of
extreme-ultraviolet to hard X-ray photons, providing ultrashort pulses that are intense …

Optical modulation of high-harmonics generation in solids enables the detection of material
properties, such as the band structure, and promising new applications, such as super …

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

High harmonic generation (HHG) opens a window on the fundamental science of strong-
field light-mater interaction and serves as a key building block for attosecond optics and …

High-order harmonic generation in solids, the nonlinear up-conversion of coherent radiation
resulting from the interaction of a strong and short laser pulse with a solid sample, has come …

Optical materials are undergoing revolutionary transformations driven by nanotechnology.
Our ability to engineer structures at a scale smaller than the wavelength of light enables new …

On the basis of real-time ab initio calculations, we study the nonperturbative interaction of
two-color laser pulses with Mg O crystal in the strong-field regime to generate isolated …

The emission of high-order harmonics from solids under intense laser-pulse irradiation is
revolutionizing our understanding of strong-field solid-light interactions, while …

Coherent extreme-ultraviolet pulses from high-harmonic generation have ample
applications in attosecond science, lensless imaging, and industrial metrology. However …