{
  "annotation_id": "fa1ea3ff-a9dc-424f-9083-e819a9ff1ef4",
  "date_created": "2026-03-02T18:02:27.558000Z",
  "date_modified": "2026-03-02T18:02:27.558000Z",
  "file_hash": "8429ebc0b1a1d42ebdc12e5c4f4775be2d2a49342d8cc6f094d6de69585ac29d",
  "private": false,
  "record": {
    "abstract": "We report an experimental demonstration of optimal measurements of small\ndisplacement and tilt of a Gaussian beam - two conjugate variables - involving\na homodyne detection with a TEM10 local oscillator. We verify that the standard\nsplit detection is only 64% efficient. We also show a displacement measurement\nbeyond the quantum noise limit, using a squeezed vacuum TEM10 mode within the\ninput beam.",
    "arxiv_id": "quant-ph/0607142",
    "authors": [
      "Vincent Delaubert",
      "Nicolas Treps",
      "Mikael Lassen",
      "Charles C. Harb",
      "Claude Fabre",
      "Ping Koy Lam",
      "Hans A. Bachor"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.74.053823",
    "title": "TEM10 homodyne detection as an optimal small displacement and tilt   measurements scheme",
    "url": "https://arxiv.org/abs/quant-ph/0607142"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "b9c5e71a-e23c-41c0-9a88-0d85c280d60e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}