ArticleScience advances2023
Jaynes-Cummings interaction between low-energy free electrons and cavity photons.
Article in Science advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Free electron topological bound state induced by a light beam with a twisted wavefront.Nature communications · 2026Article
- Tunable quantum light by modulated free electrons.Nanophotonics (Berlin, Germany) · 2025Article
- Free-electron resonance transition radiation via Brewster randomness.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Article
- Strongly correlated multielectron bunches from interaction with quantum light.Science advances · 2024Article
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Authors and funding
2 authors.
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Abstract
The Jaynes-Cummings Hamiltonian is at the core of cavity quantum electrodynamics; however, it relies on bound-electron emitters fundamentally limited by the binding Coulomb potential. In this work, we propose theoretically a new approach to realizing the Jaynes-Cummings model using low-energy free electrons coupled to dielectric microcavities and exemplify several quantum technologies made possible by this approach. Using quantum recoil, a large detuning inhibits the emission of multiple consecutive photons, effectively transforming the free electron into a few-level system coupled to the cavity mode. We show that this approach can be used for generation of single photons, photon pairs, and even a quantum SWAP gate between a photon and a free electron, with unity efficiency and high fidelity. Tunable by their kinetic energy, quantum free electrons are inherently versatile emitters with an engineerable emission wavelength. Hence, they pave the way toward new possibilities for quantum interconnects between photonic platforms at disparate spectral regimes.
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