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    "headline": "The Detector Amplified the Signal, Not the Noise",
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    "dek": "A proposed intracavity quadrature cycle increased gravitational-wave response without accumulating parametric gain.",
    "summary": "A proposed intracavity quadrature cycle increased gravitational-wave response without accumulating parametric gain.",
    "body_text": "The design alternates amplification and deamplification over two round trips in a detuned recycling cavity. Modeling a current detector with a near-future upgrade showed broader quantum-noise-limited sensitivity into the kilohertz band; it remains a proposal, not an installed upgrade.",
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      "title": "arXiv preprint 2608.13009",
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    "title": "The Detector Amplified the Signal, Not the Noise",
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