{
  "annotation_id": "331df7a7-e2fc-4af2-be34-01ff85384393",
  "date_created": "2026-03-02T18:02:44.523000Z",
  "date_modified": "2026-03-02T18:02:44.523000Z",
  "file_hash": "5ad4c9b361723c89f84ff15404475fd14b6b0626ebb500cbe4678227a1007473",
  "private": false,
  "record": {
    "abstract": "We report a direct measurement of the Wigner function characterizing the\nquantum state of a light mode. The experimental scheme is based on the\nrepresentation of the Wigner function as an expectation value of a displaced\nphoton number parity operator. This allowed us to scan the phase space\npoint-by-point, and obtain the complete Wigner function without using any\nnumerical reconstruction algorithms.",
    "arxiv_id": "quant-ph/9903027",
    "authors": [
      "K. Banaszek",
      "C. Radzewicz",
      "K. Wodkiewicz",
      "J. S. Krasinski"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.60.674",
    "journal_ref": "Phys.Rev.A60:674-677,1999",
    "title": "Direct measurement of the Wigner function by photon counting",
    "url": "https://arxiv.org/abs/quant-ph/9903027"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ac591352-5028-47fa-8575-39ddd9b907e9",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}