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30 November 2023 Controlling two-photon interference and entanglement with mechanical rotations
Marko Toroš, Marion Cromb, Sara Restuccia, Maria Chiara Braidotti, Graham M. Gibson, Hendrik Ulbricht, Mauro Paternostro, Miles Padgett, Daniele Faccio
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Proceedings Volume 12795, Quantum Technology: Driving Commercialisation of an Enabling Science IV; 1279506 (2023) https://doi.org/10.1117/12.2691216
Event: SPIE Photonex, 2023, Glasgow, United Kingdom
Abstract
We review recent experimental and theoretical results of photon interferometry on rotating platforms. Quantum phenomena such as two-photon interference and entanglement can be controlled with mechanical rotations in a regime accessible to table-top experiments. We first discuss experiments demonstrating how low-frequency mechanical rotations affect the bunching behavior of frequency-entangled photon pairs. It was shown that low-frequency mechanical rotations can affect the temporal distinguishability of photons and can transform photonic behavior from perfectly indistinguishable (bosonic behavior) to perfectly distinguishable (fermionic behavior). We then give a future outlook for testing the generation of entanglement from mechanical rotation. A recent theoretical work showed that generating path-polarization entanglement from mechanical rotations could be verified with present technology. These works make a strong case for further exploration of quantum phenomena at the interface with non-inertial (rotational) motion.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Marko Toroš, Marion Cromb, Sara Restuccia, Maria Chiara Braidotti, Graham M. Gibson, Hendrik Ulbricht, Mauro Paternostro, Miles Padgett, and Daniele Faccio "Controlling two-photon interference and entanglement with mechanical rotations", Proc. SPIE 12795, Quantum Technology: Driving Commercialisation of an Enabling Science IV, 1279506 (30 November 2023); https://doi.org/10.1117/12.2691216
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KEYWORDS
Quantum entanglement
Quantum optics experiments
Quantum phenomena
Quantum interference
Interferometry
Physics
Quantum experiments
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