{
  "annotation_id": "26c5f9bd-ed5e-4833-82b1-32d365ed87af",
  "date_created": "2026-03-02T18:01:59.595000Z",
  "date_modified": "2026-03-02T18:01:59.595000Z",
  "file_hash": "7ec85ccd7745189359171ca7bc9f1643370fe2038f7ad61bf80de8e147ce38e9",
  "private": false,
  "record": {
    "abstract": "We implement experimentally a method to generate photon-number$-$path and\npolarization entangled photon pairs using ``beamlike\u0027\u0027 type-II spontaneous\nparametric down-conversion (SPDC), in which the signal-idler photon pairs are\nemitted as two separate circular beams with small emission angles rather than\nas two diverging cones.",
    "arxiv_id": "quant-ph/0304105",
    "authors": [
      "Yoon-Ho Kim"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.68.013804",
    "journal_ref": "Phys. Rev. A 68, 013804 (2003)",
    "title": "Quantum interference with beamlike type-II spontaneous parametric   down-conversion",
    "url": "https://arxiv.org/abs/quant-ph/0304105"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "25b866cf-0dbd-4388-b656-65c7cb3a008c",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}