{
  "annotation_id": "ffa24019-f68c-48ba-a931-ee53ff25769b",
  "date_created": "2026-03-02T18:01:56.614000Z",
  "date_modified": "2026-03-02T18:01:56.614000Z",
  "file_hash": "cb61fd9cacd45be9bac86a98df1a45d2f2998fa1b2030001682b338110061d31",
  "private": false,
  "record": {
    "abstract": "We describe several different methods for generating the entangled ancilla\nstates that are required for linear optics quantum computing. We show that\npost-selection can be used in combination with linear optical elements to\ngenerate the entangled ancilla, but with an exponentially-small efficiency.\nAlternatively, the ancilla can be efficiently generated using solid-state\ndevices consisting of quantum wells coupled with tunnel junctions. Finally, we\nconsider the possibility of using encoded ancilla in order to reduce the\neffects of decoherence and measurement errors.",
    "arxiv_id": "quant-ph/0303137",
    "authors": [
      "J. D. Franson",
      "M. M. Donegan",
      "B. C. Jacobs"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.69.052328",
    "journal_ref": "Phys. Rev. A 69, 52328 (2004)",
    "title": "Generation of entangled ancilla states for use in linear optics quantum   computing",
    "url": "https://arxiv.org/abs/quant-ph/0303137"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "9b457e10-1900-46fb-99f0-8f5b483f0cfc",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}