Interactions between light and matter play an instrumental role in spectroscopy, sensing,
quantum information processing and lasers. In most of these applications, light is considered …

When im**ing on optical structures or passing in their vicinity, free electrons can
spontaneously emit electromagnetic radiation, a phenomenon generally known as …

Control over light propagation and localization in photonic crystals offers wide applications
ranging from sensing and on-chip routing to lasing and quantum light–matter interfaces …

Bombardment of materials by high-energy particles often leads to light emission in a process
known as scintillation. Scintillation has widespread applications in medical imaging, x-ray …

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 …

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 …

Recently, integrated photonic circuits have brought new capabilities to electron microscopy
and been used to demonstrate efficient electron phase modulation and electron-photon …

Moiré superlattices—twisted van der Waals (vdW) structures with small angles—are
attracting increasing attention in condensed matter physics, due to important phenomena …

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 …