We draw an intuitive picture of the spatio–temporal properties of the entangled state of twin photons, where they are described as classical wave-packets. This picture predicts a precise relation between their temporal and transverse spatial separations at the crystal output. The space-time coupling described by classical arguments turns out to determine in a precise way the spatio–temporal structure of the quantum entanglement, analyzed by means of the biphotonic correlation and of the Schmidt dimensionality of the entanglement.

Spatio–temporal entanglement of twin photons: An intuitive picture

GATTI, ALESSANDRA CARLA
2014-01-01

Abstract

We draw an intuitive picture of the spatio–temporal properties of the entangled state of twin photons, where they are described as classical wave-packets. This picture predicts a precise relation between their temporal and transverse spatial separations at the crystal output. The space-time coupling described by classical arguments turns out to determine in a precise way the spatio–temporal structure of the quantum entanglement, analyzed by means of the biphotonic correlation and of the Schmidt dimensionality of the entanglement.
2014
http://www.worldscientific.com/doi/abs/10.1142/S0219749914610164?queryID=${resultBean.queryID}
Quantum entanglement; Schmidt number; twin-photons
Gatti, ALESSANDRA CARLA
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11383/1912921
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