Bound states in the continuum (BICs) have attracted attention in photonics owing to their
interesting properties. For example, BICs can effectively confine light in a counterintuitive …

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

Cat states and Gottesman-Kitaev-Preskill (GKP) states play a key role in quantum
computation and communication with continuous variables. The creation of such states …

The emission of light from charged particles underlies a wealth of scientific phenomena and
technological applications. Classical theory determines the emitted photon energy by …

The interaction between free electrons and optical fields constitutes a unique platform to
investigate ultrafast processes in matter and explore fundamental quantum phenomena …

A central challenge in the emerging field of free-electron quantum optics is to achieve strong
quantum interaction and single-photon nonlinearity between a flying free electron and a …

The emerging field of free-electron quantum optics enables electron-photon entanglement
and holds the potential for generating nontrivial photon states for quantum information …

We reveal a mechanism to enhance particle-matter interactions by exploiting the pseudo-
Brewster effect of gain materials, presenting an enhancement of at least four orders of …

Cherenkov radiation occurs only when a charged particle moves with a velocity exceeding
the phase velocity of light in that matter. This radiation mechanism creates directional light …

When a charged particle penetrates through an optical interface, photon emissions emerge—
a phenomenon known as transition radiation. Being paramount to fundamental physics …