{
  "annotation_id": "311de672-c3ce-4708-9eb4-a193dcaaf52d",
  "date_created": "2026-03-02T18:02:24.275000Z",
  "date_modified": "2026-03-02T18:02:24.275000Z",
  "file_hash": "d010bd809773e40897e5124c8326333edc00ffae8d3712fca0f4edac46070ede",
  "private": false,
  "record": {
    "abstract": "Due to inhomogeneous broadening, the absorption lines of rare-earth-ion\ndopands in crystals are many order of magnitudes wider than the homogeneous\nlinewidths. Several ways have been proposed to use ions with different\ninhomogeneous shifts as qubit registers, and to perform gate operations between\nsuch registers by means of the static dipole coupling between the ions.\n  In this paper we show that in order to implement high-fidelity quantum gate\noperations by means of the static dipole interaction, we require the\nparticipating ions to be strongly coupled, and that the density of such\nstrongly coupled registers in general scales poorly with register size.\nAlthough this is critical to previous proposals which rely on a high density of\nfunctional registers, we describe architectures and preparation strategies that\nwill allow scalable quantum computers based on rare-earth-ion doped crystals.",
    "arxiv_id": "quant-ph/0601141",
    "authors": [
      "Janus H. Wesenberg",
      "Klaus Moelmer",
      "Lars Rippe",
      "Stefan Kroell"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.75.012304",
    "journal_ref": "Phys. Rev. A, 75, 012304 (2007)",
    "title": "Scalable designs for quantum computing with rare-earth-ion-doped   crystals",
    "url": "https://arxiv.org/abs/quant-ph/0601141"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "01a4cfcd-1bea-4c62-91e3-71fe3ef5b5ae",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}