Distant clock synchronization using entangled photon pairs

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Citation of Original Publication

Valencia, Alejandra, Giuliano Scarcelli, and Yanhua Shih. “Distant Clock Synchronization Using Entangled Photon Pairs.” Applied Physics Letters 85, no. 13 (2004): 2655–57. https://doi.org/10.1063/1.1797561.

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This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Valencia, Alejandra, Giuliano Scarcelli, and Yanhua Shih. “Distant Clock Synchronization Using Entangled Photon Pairs.” Applied Physics Letters 85, no. 13 (2004): 2655–57. https://doi.org/10.1063/1.1797561. and may be found at https://pubs.aip.org/aip/apl/article-abstract/85/13/2655/320288/Distant-clock-synchronization-using-entangled?redirectedFrom=fulltext.

Abstract

We report a proof-of-principle experiment on distant clock synchronization. Besides the achievement of picosecond resolution at 3km distance, this experiment demonstrated a concept for high-accuracy nonlocal timing and positioning based on the quantum feature of entangled states.