{
  "annotation_id": "b2c5189b-2424-49c8-a2d3-abd1b37d4cda",
  "date_created": "2026-03-02T18:02:34.321000Z",
  "date_modified": "2026-03-02T18:02:34.321000Z",
  "file_hash": "e1fa26e77c0e4ef280d3b35bc1984ad33e317109f600d982631b2b5b4d40612e",
  "private": false,
  "record": {
    "abstract": "We developed a quantum theory for degenerate $\\chi^{(3)}$ two-photon state\ngenerated from optical fiber, and compared the theory predictions with an\nexperimental result which exhibits a Hong-Ou-Mandel dip visibility of around\n94%. Excellent agreement between theory and experiment has been achieved, and\nwe attribute the missing 6% visibility mainly to spatial mode mismatch between\nsignal and idler photons at the beamsplitter.",
    "arxiv_id": "quant-ph/0702176",
    "authors": [
      "Jun Chen",
      "Kim Fook Lee",
      "Prem Kumar"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Quantum theory of degenerate $\\chi^{(3)}$ two-photon state",
    "url": "https://arxiv.org/abs/quant-ph/0702176"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "dbcf8ee4-02a6-4fee-ad3d-2d0f3f3eeffd",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}