{
  "annotation_id": "b9dd5454-9194-4295-a700-a1e3e5d526e0",
  "date_created": "2026-03-02T18:02:02.531000Z",
  "date_modified": "2026-03-02T18:02:02.531000Z",
  "file_hash": "df75ef46ff2342a10bd9bb351fc7c17562e7a5afeefcd3a373d42b737d5e4210",
  "private": false,
  "record": {
    "abstract": "In this paper, we demonstrate efficient generation of collinearly\npropagating, degenerate pulsed photon pairs based on a bulk Periodically Poled\nPotassium Titanyl Phosphate pumped by an ultrashort pulse laser. Using a\nsingle-mode fiber as a spatial mode filter, we detect about 3200 coincidence\ncounts per second per milliwatt pump power. After we consider main losses in\nour experiment, the inferred coincidence counts are about 109000 per second per\nmilliwatt pump power. This is the very promising for realization of sources for\nquantum communication and metrology.",
    "arxiv_id": "quant-ph/0310187",
    "authors": [
      "Bao-Sen Shi",
      "Akihisa Tomita"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1364/JOSAB.21.002081",
    "title": "Highly efficient generation of pulsed photon pair using a bulk   Periodically Poled Potassium Titanyl Phosphate",
    "url": "https://arxiv.org/abs/quant-ph/0310187"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "f7f05a3e-3708-4f93-8bcb-3f59ead79648",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}