{
  "annotation_id": "fee00c91-cc0f-4b99-aad4-b72542f8b494",
  "date_created": "2026-03-02T18:02:34.696000Z",
  "date_modified": "2026-03-02T18:02:34.696000Z",
  "file_hash": "714416b88be87e1fc5bc7eda606f11c1ea461b554be185266852153b0314fd32",
  "private": false,
  "record": {
    "abstract": "We consider the problem of phase-covariant cloning for coherent states. We\nshow that an experimental scheme based on ideal phase measurement and\nfeedforward outperforms the semiclassical procedure of ideal phase measurement\nand preparation in terms of fidelity. A realistic scheme where the ideal phase\nmeasurement is replaced with double-homodyne detection is shown to be unable to\novercome the semiclassical cloning strategy. On the other hand, such a\nrealistic scheme is better than semiclassical cloning based on double-homodyne\nphase measurement and preparation.",
    "arxiv_id": "quant-ph/0703079",
    "authors": [
      "Massimiliano F. Sacchi"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.75.042328",
    "journal_ref": "Phys. Rev. A 75, 042328 (2007)",
    "title": "Phase-covariant cloning of coherent states",
    "url": "https://arxiv.org/abs/quant-ph/0703079"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "9c58271e-2e0d-4892-9b03-498e0fc2769b",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}