{
  "annotation_id": "c56aa4ff-fd44-443b-8751-66b29c90badc",
  "date_created": "2026-03-02T18:02:24.240000Z",
  "date_modified": "2026-03-02T18:02:24.240000Z",
  "file_hash": "aa3843e60503b439200b2caeb43657841f7c615f065cfc6d72810037c0482515",
  "private": false,
  "record": {
    "abstract": "Schemes for optical-state truncation of two cavity modes are analysed. The\nsystems, referred to as the nonlinear quantum scissors devices, comprise two\ncoupled nonlinear oscillators (Kerr nonlinear coupler) with one or two of them\npumped by external classical fields. It is shown that the quantum evolution of\nthe pumped couplers can be closed in a two-qubit Hilbert space spanned by\nvacuum and single-photon states only. Thus, the pumped couplers can behave as a\ntwo-qubit system. Analysis of time evolution of the quantum entanglement shows\nthat Bell states can be generated. A possible implementation of the couplers is\nsuggested in a pumped double-ring cavity with resonantly enhanced Kerr\nnonlinearities in an electromagnetically-induced transparency scheme. The\nfragility of the generated states and their entanglement due to the standard\ndissipation and phase damping are discussed by numerically solving two types of\nmaster equations.",
    "arxiv_id": "quant-ph/0603149",
    "authors": [
      "Adam Miranowicz",
      "Wieslaw Leonski"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1088/0953-4075/39/7/011",
    "journal_ref": "J. Phys. B 39, 1683-1700 (2006)",
    "title": "Two-mode optical state truncation and generation of maximally entangled   states in pumped nonlinear couplers",
    "url": "https://arxiv.org/abs/quant-ph/0603149"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "011840c5-a54c-456d-9480-0cd78486323f",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}