{
  "annotation_id": "91d2c3da-c537-42a4-b86b-56697eacc230",
  "date_created": "2026-03-02T18:02:12.972000Z",
  "date_modified": "2026-03-02T18:02:12.972000Z",
  "file_hash": "c9ee80c425da9f79ea0e6982dcad6913ac6b03d6da95e03156918343e742426e",
  "private": false,
  "record": {
    "abstract": "We present an experimental demonstration to manipulate the width and position\nof the down-converted beam waist. Our results can be used to engineer the\ntwo-photon orbital angular momentum (OAM) entangled states (such as\nconcentrating OAM entangled states) and generate Hermite-Gaussian (HG) modes\nentangled states.",
    "arxiv_id": "quant-ph/0412021",
    "authors": [
      "Zhi-Wei Wang",
      "Xi-Feng Ren",
      "Yun-Feng Huang",
      "Yong-Sheng Zhang",
      "Guang-Can Guo"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1016/j.physleta.2005.06.083",
    "title": "Manipulating quantum states with aspheric lenses",
    "url": "https://arxiv.org/abs/quant-ph/0412021"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ae9de4cc-a0ab-488e-be1e-af9616f9ff94",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}