{
  "annotation_id": "7e82b531-0702-4448-8174-6e6c109e92a5",
  "date_created": "2026-03-02T18:02:24.014000Z",
  "date_modified": "2026-03-02T18:02:24.014000Z",
  "file_hash": "56d3dcf0755bba3628e5e66647a46e7799af503b4c35632909a0ec968aa8b1b4",
  "private": false,
  "record": {
    "abstract": "We use photon counters to obtain the joint photon counting statistics from\ntwin-beam non-degenerate parametric down conversion, and we demonstrate\ndirectly, and with no auxiliary assumptions, that these twin beams are\nnonclassical.",
    "arxiv_id": "quant-ph/0602118",
    "authors": [
      "Edo Waks",
      "Barry Sanders",
      "Eleni Diamanti",
      "Yoshihisa Yamamoto"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.73.033814",
    "journal_ref": "Physical Review A 73, 033814 (2006)",
    "title": "Highly nonclassical photon statistics in parametric down conversion",
    "url": "https://arxiv.org/abs/quant-ph/0602118"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d25c0d03-8030-4a9c-a6b9-16bda169a9eb",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}