{
  "annotation_id": "5c79c703-bc54-4a0c-b47b-56d736764db8",
  "date_created": "2026-03-02T18:00:46.294000Z",
  "date_modified": "2026-03-02T18:00:46.294000Z",
  "file_hash": "bc7276c138b8f821113a4141988b730f9ddc33cb1d6aede873c56604823179e0",
  "private": false,
  "record": {
    "abstract": "We study theoretically and experimentally the modulational instability of\nbroad optical beams in photorefractive nonlinear media. We demonstrate the\nimpact of the anisotropy of the nonlinearity on the growth rate of periodic\nperturbations. Our findings are confirmed by experimental measurements in a\nstrontium barium niobate photorefractive crystal.",
    "arxiv_id": "physics/0311070",
    "authors": [
      "M. Saffman",
      "Glen McCarthy",
      "Wieslaw Kr\u00f3likowski"
    ],
    "categories": [
      "physics.optics"
    ],
    "doi": "10.1088/1464-4266/6/5/030",
    "journal_ref": "J. Opt. B: Quantum Semiclass. Opt. 6, S397-S403 (2004)",
    "title": "Two dimensional modulational instability in photorefractive media",
    "url": "https://arxiv.org/abs/physics/0311070"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "460eb11c-abbd-415c-b89a-5554d99937bc",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}