ArticleScience advances2022
Entangling free electrons and optical excitations.
Article in Science advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Synthetic gain for electron-beam spectroscopy.Nature communications · 2026Article
- Roadmap for Quantum Nanophotonics with Free Electrons.ACS photonics · 2025Review
- Transverse recoil imprinted on free-electron radiation.Nature communications · 2024Article
- Generation of entangled waveguided photon pairs by free electrons.Science advances · 2024Article
- Free-electron crystals for enhanced X-ray radiation.Light, science & applications · 2024Article
- Free-electron Brewster-transition radiation.Science advances · 2023Article
- Single-Pixel Imaging in Space and Time with Optically Modulated Free Electrons.ACS photonics · 2023Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The inelastic interaction between flying particles and optical nanocavities gives rise to entangled states in which some excitations of the latter are paired with momentum changes in the former. Specifically, free-electron entanglement with nanocavity modes opens appealing opportunities associated with the strong interaction capabilities of the electrons. However, the achievable degree of entanglement is currently limited by the lack of control over the resulting state mixtures. Here, we propose a scheme to generate pure entanglement between designated optical-cavity excitations and separable free-electron states. We shape the electron wave function profile to select the accessible cavity modes and simultaneously associate them with targeted electron scattering directions. This concept is exemplified through theoretical calculations of free-electron entanglement with degenerate and nondegenerate plasmon modes in silver nanoparticles and atomic vibrations in an inorganic molecule. The generated entanglement can be further propagated through its electron component to extend quantum interactions beyond existing protocols.
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Registered trials
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