Bonn 2025 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 48: Poster – Quantum Optics, Technologies, and Optomechanics
Q 48.27: Poster
Mittwoch, 12. März 2025, 17:00–19:00, Tent
Cavity enhanced free-electron-photon coupling in the recoil regime — •Nils Bode1, Zhexin Zhao1, Julian Litzel1, Tomáš Chlouba2, Manuel Konrad1, and Peter Hommelhoff1,3 — 1Department Physik, Friedrich-Alexander-Universität Erlangen- Nürnberg (FAU), 91058 Erlangen — 2Center for Nanophotonics, NWO-Institute AMOLF, 1098 XG Amsterdam — 3Department Physik, Ludwig-Maximilians-Universität München (LMU), 80799 München
The fundamental role of integrated photonics in the recent advances of optical communication, biomedical applications, sensors, spectroscopy and quantum technologies has proven its versatility in various fields. Leveraging the possibilities of regular and metamaterial optical waveguide technology, we present simulations of the quantum interaction of low energy free electrons with cavity photons designed for the recoil regime. This regime is of special interest as the effects associated with the electron's recoil allow the construction of novel photonic states like deterministic single photon states, Greenberger-Horne-Zeilinger (GHZ) states, NOON states, squeezed vacuum, twin beams and many more. We further provide theoretical upper bounds for the free-electron-photon coupling for different materials and electron energies at various impact parameters. These upper bounds can be used to put the performance of simulated structures into perspective and validate the feasibility of proposed state construction schemes.
Keywords: electron-photon coupling; electron microscopy; integrated photonics; PINEM