{
  "annotation_id": "29ce5cb7-e064-4b46-9407-2c5ce16bca05",
  "date_created": "2026-03-02T18:01:46.072000Z",
  "date_modified": "2026-03-02T18:01:46.072000Z",
  "file_hash": "579c756975e075345f942a93ea0d71674cfa7e327bad438da884414ccbef0b04",
  "private": false,
  "record": {
    "abstract": "We experimentally demonstrate that entanglement of bi-photon polarization\nstate can be restored by spectral filters. This restoration procedure can be\nviewed as a new class of quantum eraser, which retrieves entanglement rather\nthan just interference by manipulating an ancillary degree of freedom.",
    "arxiv_id": "quant-ph/0107121",
    "authors": [
      "K. Usami",
      "Y. Nambu",
      "S. Ishizaka",
      "T. Hiroshima",
      "Y. Tsuda",
      "K. Matsumoto",
      "K. Nakamura"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Restoration of Entanglement by Spectral Filters",
    "url": "https://arxiv.org/abs/quant-ph/0107121"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e25e46fd-e090-4d61-b066-4a5babb5623f",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}