{
  "annotation_id": "cc1a694c-b736-4d76-9f07-de6b970b7322",
  "date_created": "2026-03-02T18:00:46.744000Z",
  "date_modified": "2026-03-02T18:00:46.744000Z",
  "file_hash": "65d90407d62cb0b4aafaa98e42a7df59485abbe114a743016476ca8fde460c74",
  "private": false,
  "record": {
    "abstract": "We propose novel multi-phase-matched process that starts with generation of a\npair of symmetric second-harmonic waves. Each of them interacts again with the\nfundamental wave to produce two constructively interfering third harmonic waves\ncollinear to the fundamental input wave.",
    "arxiv_id": "physics/0309022",
    "authors": [
      "Todor Karaulanov",
      "Solomon M. Saltiel"
    ],
    "categories": [
      "physics.optics"
    ],
    "doi": "10.1117/12.519086",
    "title": "Efficient collinear third-harmonic generation in a single   two-dimensional nonlinear photonic crystal",
    "url": "https://arxiv.org/abs/physics/0309022"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "228664b5-423b-479c-9bc0-88df7e65f343",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}