For many materials, a precise knowledge of their dispersion spectra is insufficient to predict
their ordered phases and physical responses. Instead, these materials are classified by the …

Collective oscillations of massless particles in two-dimensional (2D) Dirac materials offer an
innovative route toward implementing atomically thin devices based on low-energy …

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

Dissipationless currents from topologically protected states are promising for disorder-
tolerant electronics and quantum computation. Here, we photogenerate giant anisotropic …

An exciton, a two-body composite quasiparticle formed of an electron and hole, is a
fundamental optical excitation in condensed matter systems. Since its discovery nearly a …

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

A grand challenge underlies the entire field of topology-enabled quantum logic and
information science: how to establish topological control principles driven by quantum …

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

Multidimensional imaging of transient events has proven pivotal in unveiling many
fundamental mechanisms in physics, chemistry, and biology. In particular, real-time imaging …

Light engineering of correlated states in topological materials provides a new avenue of
achieving exotic topological phases inaccessible by conventional tuning methods. Here we …