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Entanglement Assisted Communication over Turbulent Free-Space Optical (FSO) Link with Phase Conjugation on Idler Photons and Adaptive Optics

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Abstract

To improve the reliability of entanglement-assisted (EA) communication over turbulent FSO channels we propose to perform the phase conjugation on idler photons instead of turbulence affected signal photons and use adaptive optics. We experimentally demonstrate that reliable EA communication over outdoor 1.45km FSO link, established at University of Arizona, is possible.

© 2023 The Author(s)

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