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Time-to-space ghost imaging
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DOI：10.1364/OL.487394.png)
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Abstract
En 中文
Temporal ghost imaging is based on the temporal correla-tions 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 spa-tial 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. (c) 2023 Optica Publishing Group
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