Distant clock synchronization using entangled photon pairs

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

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Veröffentlicht in:Applied physics letters 2004-09, Vol.85 (13), p.2655-2657
Hauptverfasser: Valencia, Alejandra, Scarcelli, Giuliano, Shih, Yanhua
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container_title Applied physics letters
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creator Valencia, Alejandra
Scarcelli, Giuliano
Shih, Yanhua
description We report a proof-of-principle experiment on distant clock synchronization. Besides the achievement of picosecond resolution at 3 km distance, this experiment demonstrated a concept for high-accuracy nonlocal timing and positioning based on the quantum feature of entangled states.
doi_str_mv 10.1063/1.1797561
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1077-3118
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subjects ACCURACY
ATOMIC CLOCKS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONTROL
PHOTONS
POSITIONING
SYNCHRONIZATION
TIME RESOLUTION
title Distant clock synchronization using entangled photon pairs
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