{
  "annotation_id": "ad916394-09d5-4eb3-9ea2-b0b18f17c1dc",
  "date_created": "2026-03-02T18:01:59.411000Z",
  "date_modified": "2026-03-02T18:01:59.411000Z",
  "file_hash": "8a509e481c1033f6dc649d101710e3a274ff9b9196cdf119bc685fa80aec9141",
  "private": false,
  "record": {
    "abstract": "We have demonstrated a high-flux source of polarization-entangled photons\nusing a type-II phase-matched periodically-poled KTP parametric downconverter\nin a collinearly propagating configuration. We have observed quantum\ninterference between the single-beam downconverted photons with a visibility of\n99% and a measured coincidence flux of 300/s/mW of pump. The\nClauser-Horne-Shimony-Holt version of Bell\u0027s inequality was violated with a\nvalue of 2.711 +/- 0.017.",
    "arxiv_id": "quant-ph/0305092",
    "authors": [
      "Christopher E. Kuklewicz",
      "Marco Fiorentino",
      "Ga\u00e9tan Messin",
      "Franco N. C. Wong",
      "Jeffrey H. Shapiro"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.69.013807",
    "title": "A high-flux source of polarization-entangled photons from a   periodically-poled KTP parametric downconverter",
    "url": "https://arxiv.org/abs/quant-ph/0305092"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "894ba26f-4a6f-4024-9d14-3b6efb7541a7",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}