{
  "annotation_id": "22e46df7-1c0b-466e-a7ea-3d2679be7845",
  "date_created": "2026-03-02T18:02:31.246000Z",
  "date_modified": "2026-03-02T18:02:31.246000Z",
  "file_hash": "e3bd0465f4dbba1fcfa98da6c899615b367129d4942ca2e6c408fe54f5be6820",
  "private": false,
  "record": {
    "abstract": "We consider the security of a system of quantum key distribution (QKD) using\nonly practical devices. Currently, attenuated laser pulses are widely used and\nconsidered to be the most practical light source. For the receiver of photons,\nthreshold (or on/off) photon detectors are almost the only choice. Combining\nthe decoy-state idea and the security argument based on the uncertainty\nprinciple, we show that a QKD system composed of such practical devices can\nachieve the unconditional security without any significant penalty in the key\nrate and the distance limitation.",
    "arxiv_id": "quant-ph/0609180",
    "authors": [
      "Masato Koashi"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Efficient quantum key distribution with practical sources and detectors",
    "url": "https://arxiv.org/abs/quant-ph/0609180"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "29a5c651-221a-49df-981e-7290a9341fde",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}