{
  "annotation_id": "76b6bb17-6f77-403f-a82f-6d5788c77ec8",
  "date_created": "2026-03-02T18:02:17.208000Z",
  "date_modified": "2026-03-02T18:02:17.208000Z",
  "file_hash": "081e8620e2b07c870eae31b8dff219dd37faa7f68668ac887448062799debb79",
  "private": false,
  "record": {
    "abstract": "We propose an on-demand single photon source for quantum cryptography using a\nmetal-insulator-semiconductor quantum dot capacitor structure. The main\ncomponent in the semiconductor is a p-doped quantum well, and the cylindrical\ngate under consideration is only nanometers in diameter. As in conventional\nmetal-insulator-semiconductor capacitors, our system can also be biased into\nthe inversion regime. However, due to the small gate area, at the onset of\ninversion there are only a few electrons residing in a quantum dot. In\naddition, because of the strong size quantization and large Coulomb energy, the\nnumber of electrons can be precisely controlled by the gate voltage. After\nholding just one electron in the inversion layer, the capacitor is quickly\nbiased back to the flat band condition, and the subsequent radiative\nrecombination across the bandgap results in single photon emission. We present\nnumerical simulation results of a semiconductor heterojunction and discuss the\nmerits of this single photon source.",
    "arxiv_id": "quant-ph/0505073",
    "authors": [
      "Binhui Hu",
      "C. H. Yang",
      "M. J. Yang"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1088/0957-4484/16/8/062",
    "title": "On demand single photon source using a nanoscale   metal-insulator-semiconductor capacitor",
    "url": "https://arxiv.org/abs/quant-ph/0505073"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "fce896a4-a3d0-4675-9ae3-36963f8d44dd",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}