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Photonic Quantum Computing
Entanglement Theory Quantum Correlations
Quantum Foundations
Two-color Bell states heralded via entanglement swapping
arXiv
Authors: Sofiane Merkouche, Valérian Thiel, Alex O. C. Davis, Brian J. Smith
Year
2019
Paper ID
7206
Status
Preprint
Abstract Read
~2 min
Abstract Words
79
Citations
N/A
Abstract
We report on an experiment demonstrating entanglement swapping of time-frequency entangled photons. We perform a frequency-resolved Bell-state measurement on the idler photons from two independent entangled photon pairs, which projects the signal photons onto a two-color Bell state. We verify entanglement in this heralded state using two-photon interference and observing quantum beating without the use of filters, indicating the presence of two-color entanglement. Our method could lend itself to use as a highly-tunable source of frequency-bin entangled single photons.
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- This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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- We report on an experiment demonstrating entanglement swapping of time-frequency entangled photons.
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