{
  "annotation_id": "81453af5-b8c0-4edc-97a4-6e6b9a2fe729",
  "date_created": "2026-03-02T18:02:31.195000Z",
  "date_modified": "2026-03-02T18:02:31.195000Z",
  "file_hash": "d1d2f1633be3610ce3dfb41184068090d811b3b47986e41799e5ba5fa20050ed",
  "private": false,
  "record": {
    "abstract": "We present and experimentally demonstrate a novel optical nondestructive\ncontrolled-NOT gate without using entangled ancilla. With much fewer\nmeasurements compared with quantum process tomography, we get a good estimation\nof the gate fidelity. The result shows a great improvement compared with\nprevious experiments. Moreover, we also show that quantum parallelism is\nachieved in our gate and the performance of the gate can not be reproduced by\nlocal operations and classical communications.",
    "arxiv_id": "quant-ph/0610182",
    "authors": [
      "Xiao-Hui Bao",
      "Teng-Yun Chen",
      "Qiang Zhang",
      "Jian Yang",
      "Han Zhang",
      "Tao Yang",
      "Jian-Wei Pan"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.98.170502",
    "journal_ref": "Phys. Rev. Lett. 98 170502 (2007)",
    "title": "Optical Nondestructive Controlled-NOT Gate without Using Entangled   Photons",
    "url": "https://arxiv.org/abs/quant-ph/0610182"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e5d021d1-feab-4f31-b186-48f7e359f4f6",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}