https://doi.org/10.1140/epjs/s11734-026-02252-8
Regular Article
Correlated quantum photon states generated by vacuum fields
1
Center for Nonlinear Sciences and Department of Physics, University of North Texas, 1155 Union Circle #311427, 76203, Denton, TX, USA
2
Air Force Institute of Technology, 2950 Hobson Way, 45433-7765, Wright-Patterson Air Force Base, OH, USA
a
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Received:
4
May
2025
Accepted:
2
March
2026
Published online:
12
March
2026
Abstract
We propose a novel method for controlling quantum states of light through the manipulation of vacuum fields, enabling the deterministic generation of strongly correlated and entangled photons. This approach provides new capabilities for quantum information processing and long-distance quantum communication. We consider a 
-type three-level atom embedded in a QED cavity, where one atomic transition is driven by a classical field while the other interacts with a cavity-modified vacuum field with chirped frequency modulation. The coherent interplay between the classical and vacuum fields allows the generation of quantum optical states with tunable correlations and spectral properties. These results suggest promising applications in quantum sensing, single-photon spectroscopy, and quantum teleportation.
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© The Author(s), under exclusive licence to EDP Sciences, Springer-Verlag GmbH Germany, part of Springer Nature 2026
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
