{
  "annotation_id": "5ce2079e-6980-4d3c-bfe1-3b47004cc79a",
  "date_created": "2026-03-02T18:01:00.697000Z",
  "date_modified": "2026-03-02T18:01:00.697000Z",
  "file_hash": "fa0bf0961796bdea0448d73c65569123c4ead1e87cf795a85964a5118aeb50b9",
  "private": false,
  "record": {
    "abstract": "We combine a tunable continuous-wave optical parametric oscillator and a\nfemtosecond Ti:Sapphire laser frequency comb to provide a phase-coherent bridge\nbetween the visible and mid-infrared spectral ranges. As a first demonstration\nof this new technique we perform a direct frequency comparison between an\niodine stabilized Nd:YAG laser at 1064 nm and an infrared methane optical\nfrequency standard at $3.39 \\mu$m.",
    "arxiv_id": "physics/0509060",
    "authors": [
      "Evgeny Kovalchuk",
      "Thilo Schuldt",
      "Achim Peters"
    ],
    "categories": [
      "physics.optics"
    ],
    "doi": "10.1364/OL.30.003141",
    "title": "A combination of continuous-wave optical parametric oscillator and   femtosecond frequency comb for optical frequency metrology",
    "url": "https://arxiv.org/abs/physics/0509060"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "a1d85091-f31d-462d-b07a-8ed464b8c985",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}