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Conferences > CLEO_QELS > 2019 > FM4C > FM4C.2

A Daytime Free-Space Quantum-Optical Link using Atomic-Vapor Spectral Filters

Christopher C. Evans, David N. Woolf, Justin M. Brown, and Joel M. Hensley

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Abstract

We establish a free-space quantum-optical link that leverages narrow (∼1 GHz) linewidth rubidium-based bandpass filters to drastically reduce solar background. To show its utility, we demonstrate the BB84 quantum key distribution protocol under daytime conditions.

© 2019 The Author(s)

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