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Quantum Information and Measurement (QIM)

Temporal ghost imaging with photon pairs

Séverine Denis, Paul‐Antoine Moreau, F. Devaux, Éric Lantz

Published Jan 1, 2017• 0 citations
Publisher

Abstract

We present an experiment of temporal ghost imaging based on the spatial properties of twin photons. The retrieval of a binary time signal of 8 bits is performed with an error rate of 0.70%.
DOI
10.1364/qim.2017.qt5c.4

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Temporal ghost imaging is based on the temporal correlations of two optical beams and aims at forming a temporal image of a temporal object with a resolution, fundamentally limited by the photodetector resolution time and reaching 55 ps in a recent experiment. For further improvement of the temporal resolution, it is suggested to form a spatial ghost image of a temporal object relying on strong temporal-spatial correlations of two optical beams. Such correlations are known to exist between two entangled beams generated in type-I parametric downconversion. It is shown that a sub-picosecond-scale temporal resolution is accessible with a realistic source of entangled photons.