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Distributed g(2) Retrieval with Atomic Clocks: Eliminating Conventional Sync Protocols

arXiv Quantum Physics
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⚡ Quantum Brief
Researchers from the University of Tennessee and Purdue demonstrated a breakthrough in quantum photon correlation measurement by replacing traditional synchronization protocols with chip-scale atomic clocks. The team measured coincidences between polarization-entangled photons across distant locations using ultra-precise atomic clocks, eliminating the need for conventional timing synchronization hardware. This method leverages compact atomic clocks—smaller than traditional lab setups—to achieve nanosecond-level timing accuracy, enabling scalable quantum network deployment. The innovation removes a major bottleneck in distributed quantum systems, where synchronization errors often degrade performance in multi-node quantum communication protocols. Published in March 2026, the work advances practical quantum networking by simplifying infrastructure while maintaining high-fidelity entanglement verification.
Distributed g(2) Retrieval with Atomic Clocks: Eliminating Conventional Sync Protocols

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Quantum Physics arXiv:2603.08768 (quant-ph) [Submitted on 9 Mar 2026] Title:Distributed g(2) Retrieval with Atomic Clocks: Eliminating Conventional Sync Protocols Authors:Md Mehdi Hassan, Jacob E. Humberd, Mohmad Junaid Ul Haq, Noah A. Crum, George Siopsis, Tian Li View a PDF of the paper titled Distributed g(2) Retrieval with Atomic Clocks: Eliminating Conventional Sync Protocols, by Md Mehdi Hassan and 4 other authors View PDF HTML (experimental) Abstract:We demonstrate a method to measure coincidences between polarization-entangled photons distributed to distant locations, eliminating traditional synchronization by employing a compact, chip-scale atomic clock for precise timing. Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2603.08768 [quant-ph] (or arXiv:2603.08768v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2603.08768 Focus to learn more arXiv-issued DOI via DataCite Submission history From: Md Mehdi Hassan [view email] [v1] Mon, 9 Mar 2026 14:16:28 UTC (299 KB) Full-text links: Access Paper: View a PDF of the paper titled Distributed g(2) Retrieval with Atomic Clocks: Eliminating Conventional Sync Protocols, by Md Mehdi Hassan and 4 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2026-03 References & Citations INSPIRE HEP NASA ADSGoogle Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer (What is the Explorer?) Connected Papers Toggle Connected Papers (What is Connected Papers?) Litmaps Toggle Litmaps (What is Litmaps?) scite.ai Toggle scite Smart Citations (What are Smart Citations?) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv (What is alphaXiv?) Links to Code Toggle CatalyzeX Code Finder for Papers (What is CatalyzeX?) DagsHub Toggle DagsHub (What is DagsHub?) GotitPub Toggle Gotit.pub (What is GotitPub?) Huggingface Toggle Hugging Face (What is Huggingface?) Links to Code Toggle Papers with Code (What is Papers with Code?) ScienceCast Toggle ScienceCast (What is ScienceCast?) Demos Demos Replicate Toggle Replicate (What is Replicate?) Spaces Toggle Hugging Face Spaces (What is Spaces?) Spaces Toggle TXYZ.AI (What is TXYZ.AI?) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower (What are Influence Flowers?) Core recommender toggle CORE Recommender (What is CORE?) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)

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Source: arXiv Quantum Physics