{
  "annotation_id": "42d0e282-04ff-4cf9-965a-7074f0181a13",
  "date_created": "2026-03-02T18:01:55.390000Z",
  "date_modified": "2026-03-02T18:01:55.390000Z",
  "file_hash": "38090fb9f27cf59d82ddfbd93990287f4b71e8550dc366b4d387ed6c73dbe8d5",
  "private": false,
  "record": {
    "abstract": "We demonstrate one- and two-photon diffraction and interference experiments\nutilizing parametric down-converted photon pairs (biphotons) and a transmission\ngrating. With two-photon detection, the biphoton exhibits a\ndiffraction-interference pattern equivalent to that of an effective single\nparticle that is associated with half the wavelength of the constituent\nphotons. With one-photon detection, however no diffraction-interference pattern\nis observed. We show that these phenomena originate from the spatial quantum\ncorrelation between the down-converted photons.",
    "arxiv_id": "quant-ph/0210142",
    "authors": [
      "Ryosuke Shimizu",
      "Keiichi Edamatsu",
      "Tadashi Itoh"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.67.041805",
    "title": "Quantum diffraction and interference of spatially correlated photon   pairs generated by spontaneous parametric down-conversion",
    "url": "https://arxiv.org/abs/quant-ph/0210142"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "7be3837a-03f8-4bc2-8987-9feb04e9c668",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}