{
  "annotation_id": "9faab339-db34-435c-8f26-293ec39bdefb",
  "date_created": "2026-03-02T18:02:02.858000Z",
  "date_modified": "2026-03-02T18:02:02.858000Z",
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  "record": {
    "abstract": "In this letter we experimentally implement a single photon Bell test based on\nthe ideas of S. Tan et al. [Phys. Rev. Lett., vol. 66, 252 (1991)] and L. Hardy\n[Phys. Rev. Lett.,vol. 73, 2279 (1994)]. A double heterodyne measurement is\nused to measure correlations in the Fock space spanned by zero and one photons.\nLocal oscillators used in the correlation measurement are distributed to two\nobservers by co-propagating it in an orthogonal polarization mode. This method\neliminates the need for interferometrical stability in the setup, consequently\nmaking it a robust and scalable method.",
    "arxiv_id": "quant-ph/0311144",
    "authors": [
      "Bj\u00f6rn Hessmo",
      "Pavel Usachev",
      "Hoshang Heydari",
      "Gunnar Bj\u00f6rk"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.92.180401",
    "journal_ref": "Phys. Rev. Lett. 92, 180401 (2004)",
    "title": "An experimental demonstration of single photon nonlocality",
    "url": "https://arxiv.org/abs/quant-ph/0311144"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "cc1ea62b-cc02-4f78-aaaa-ccc9a0da956e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}