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Photonic Quantum Computing
Entanglement Theory Quantum Correlations
Entanglement swapping in a Franson interferometer setup
arXiv
Authors: Ugo Messina, G. Massimo Palma
Year
2007
Paper ID
49935
Status
Preprint
Abstract Read
~2 min
Abstract Words
110
Citations
N/A
Abstract
We propose a simple scheme to swap the non local correlations, characteristic of a Franson interferometric setup, between pairs of frequency entangled photons emitted by distinct non linear crystals in a parametric down conversion process. Our scheme consists of two distinct sources of frequency entangled photons. One photon of each pair is sent to a separate Mach - Zender interferometer while the other photons of the pairs are mixed by a beam splitter and then detected in a Ou - Mandel interferometer. For suitably postselected joint measuremetns, the photons sent at the Mach -Zender show a coincidence photocount statistics which depends non locally on the settings of the two interferometers.
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- We propose a simple scheme to swap the non local correlations, characteristic of a Franson interferometric setup, between pairs of frequency entangled photons emitted by...
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