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    "headline": "The Field Clock Quieted Its Own Pump",
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    "dek": "An atom-referenced dual-laser architecture pushed a compact cesium beam clock into the 10^-13 short-term stability regime.",
    "summary": "An atom-referenced dual-laser architecture pushed a compact cesium beam clock into the 10^-13 short-term stability regime.",
    "body_text": "A compact cesium beam clock uses a Faraday anomalous-dispersion filter and modulation-transfer spectroscopy to suppress pump-laser frequency noise and drift. The authors report a 2.12-kilohertz laser linewidth, signal-to-noise ratio of 46,365 in one hertz and fractional Allan deviation of 7.7 times 10^-13 divided by the square root of averaging time. The preprint presents a laboratory prototype and pathway for deployable timing, not a field-qualified navigation product.",
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    "tags": [
      "atomic clocks",
      "cesium",
      "precision timing"
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      "source_id": "source-2026-08-07-009",
      "title": "arXiv preprint 2608.06169",
      "publisher": "arXiv",
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