Asokan S, Ivan JS. Detection of polarization-spatial classical optical entanglement in partially coherent light fields using intensity measurements.
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA. A, OPTICS, IMAGE SCIENCE, AND VISION 2023;
40:443-451. [PMID:
37133010 DOI:
10.1364/josaa.477383]
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Abstract
Detection of polarization-spatial classical optical entanglement through implementation of partial transpose on measured intensities is explored. A sufficient criterion for polarization-spatial entanglement in partially coherent light fields based on intensities measured at various orientations of the polarizer, as implied through partial transpose, is outlined. Detection of polarization-spatial entanglement using the outlined method is demonstrated experimentally through a Mach-Zehnder interferometer setup.
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