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

Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

When the continuous symmetry of a physical system is spontaneously broken, two types of
collective modes typically emerge: the amplitude and the phase modes of the order …

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

The collective modes of the superconducting order parameter fluctuation can provide key
insights into the nature of the superconductor. Recently, a family of superconductors has …

Light-induced supercurrents chart a path forward for the electromagnetic design of emergent
materials phases and collective modes for quantum engineering applications. However …

The Higgs mechanism, ie, spontaneous symmetry breaking of the quantum vacuum, is a
cross-disciplinary principle, universal for understanding dark energy, antimatter and …

We report terahertz (THz) light-induced second harmonic generation, in superconductors
with inversion symmetry that forbid even-order nonlinearities. The THz second harmonic …

Recently developed terahertz (THz) two-dimensional coherent spectroscopy (2DCS) is a
powerful technique to obtain materials information in a fashion qualitatively different from …

We theoretically study the low-energy electromagnetic response of Bardeen-Cooper-
Schrieffer–type superconductors focusing on propagating collective modes that are …