The crystal structure of a solid largely dictates its electronic, optical and mechanical
properties. Indeed, much of the exploration of quantum materials in recent years including …

Free‐space super‐strong terahertz (THz) electromagnetic fields offer multifaceted
capabilities for reaching extreme nonlinear THz optics. However, the lack of powerful solid …

Recent interest in develo** fast spintronic devices and laser-controllable magnetic solids
has sparked tremendous experimental and theoretical efforts to understand and manipulate …

Excitation and nonlinear control of lattice vibrations with light has become a powerful
method to manipulate the properties of quantum materials out of equilibrium. Generalizing …

The coupling between superconductors and oscillation cycles of light pulses, ie, lightwave
engineering, is an emerging control concept for superconducting quantum electronics …

Lead halide perovskites (LHPs) have emerged as an excellent class of semiconductors for
next-generation solar cells and optoelectronic devices. Tailoring physical properties by fine …

Inhomogeneities crucially influence the properties of quantum materials, yet methods that
can measure them remain limited and can access only a fraction of relevant observables …

Nonlinear terahertz (THz) spectroscopy relies on the interaction of matter with few-cycle THz
pulses of electric field amplitudes up to megavolts/centimeter (MV/cm). In condensed-phase …

We report the full characterization of a new organic nonlinear optical (NLO) crystal for
intense THz generation: PNPA ((E)-4-((4-nitrobenzylidene) amino)-N-phenylaniline). We …

The interaction of a single-cycle terahertz electric field with the topological insulator MnBi 2
Te 4 triggers strongly anharmonic lattice dynamics, promoting fully coherent energy transfer …