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arxiv: quant-ph/0407204 · v1 · submitted 2004-07-26 · 🪐 quant-ph

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Distant Clock Synchronization Using Entangled Photon Pairs

Alejandra Valencia , Giuliano Scarcelli , Yanhua Shih
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classification 🪐 quant-ph
keywords clockdistantentangledexperimentsynchronizationaccuracyachievementbesides
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We report a proof-of-principle experiment on distant clock synchronization. Besides the achievement of picosecond resolution at 3 kilometer distance, this experiment demonstrated a novel concept for high accuracy non-local timing and positioning based on the quantum feature of entangled states.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Quantum Protocols for Time Synchronisation and Distribution: A Critical Assessment

    quant-ph 2026-04 unverdicted novelty 3.0

    Quantum time synchronization protocols do not provide a near-term replacement for classical methods in most applications because time transfer precision remains the limiting factor, though they add value for physical-...