{
  "abstract": "Scalable long-distance quantum gates are essential for distributed quantum computation and scalable quantum networks. We propose an efficient scheme for implementing an $n$-qubit fan-out gate $C^n$ (also known as a controlled-NOT-$\\cdots$-NOT gate) across spatially separated parties. Our protocol requires only a pre-shared $n$-qubit Greenberger-Horne-Zeilinger state, $n$ local controlled-NOT (CNOT) gates, and feed-forward operations, thereby reducing both the CNOT and Hadamard gate counts by $(n-2)$ when compared with the standard decomposition-based approach. We further develop two optical architectures to implement the heralded and post-selected $n$-photon fan-out gates, respectively. These schemes require fewer single photons resources and achieve higher success probabilities than their decomposition-based counterparts, representing significant improvements. The results indicate that our approach is experimentally feasible and pave the way toward practical long-distance quantum computation.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": "Journal reference: New Journal of Physics 28 104507 (2026)",
  "arxiv": "2610.18049",
  "author_total": 2,
  "authors": [
    {
      "name": "Wen-Qiang Liu"
    },
    {
      "name": "Hai-Rui Wei"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/eqqpqvngj6r06.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.18049",
  "fulltext_url": null,
  "id": "eqqpqvngj6r06",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.18049",
  "language": null,
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "quant-ph"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2610.18049",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-13",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/eqqpqvngj6r06.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:29:11Z",
      "native_id": "2610.18049",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.18049"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:quant-ph",
      "subfield": "quantum"
    }
  ],
  "title": "Scalable long-distance quantum fan-out gates with reduced resource overhead",
  "title_text": "Scalable long-distance quantum fan-out gates with reduced resource overhead",
  "type": "preprint",
  "updated_at": "2026-10-30T12:29:11Z",
  "url": "https://research.draconitic.com/paper/eqqpqvngj6r06",
  "venue": "arXiv",
  "versions": [
    {
      "doi": "10.1088/1367-2630/aeaf0f",
      "pid": "92tjxy1gv9srj",
      "relation": "published-as",
      "title": "Scalable long-distance quantum fan-out gates with reduced resource overhead",
      "venue": "New Journal of Physics"
    }
  ]
}