{
  "annotation_id": "8d6f141a-39e8-4720-b153-7139e12cf8f3",
  "date_created": "2026-03-02T18:02:16.748000Z",
  "date_modified": "2026-03-02T18:02:16.748000Z",
  "file_hash": "9becad9a7a270189c7f98c6b110ea6e2cf2bac385b2546120542d2f8fa990aab",
  "private": false,
  "record": {
    "abstract": "The singular nature of a non-integer spiral phase plate allows easy\nmanipulation of spatial degrees of freedom of photon states. Using two such\ndevices, we have observed very high dimensional (D \u003e 3700) spatial entanglement\nof twin photons generated by spontaneous parametric down-conversion.",
    "arxiv_id": "quant-ph/0506253",
    "authors": [
      "S. S. R. Oemrawsingh",
      "X. Ma",
      "D. Voigt",
      "A. Aiello",
      "E. R. Eliel",
      "G. W. \u0027t Hooft",
      "J. P. Woerdman"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.95.240501",
    "title": "Experimental demonstration of fractional orbital angular momentum   entanglement of two photons",
    "url": "https://arxiv.org/abs/quant-ph/0506253"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "9b39d096-da22-4b2c-a99e-5277da853ee0",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}