{
  "annotation_id": "088509a0-e1b5-439c-80cf-1cd042666107",
  "date_created": "2026-03-02T18:00:50.183000Z",
  "date_modified": "2026-03-02T18:00:50.183000Z",
  "file_hash": "f331bbc4bfe97457ba18ac4425f5bd7a78c5a84b80315af20be54ada9b5dd97d",
  "private": false,
  "record": {
    "abstract": "Nonlinear phase noise induced by the interaction of fiber Kerr effect and\namplifier noises is a quadratic function of the electric field. When the\ndependence between the additive Gaussian noise and the quadratic phase noise is\ntaking into account, the joint statistics of quadratic phase noise and additive\nGaussian noise is derived analytically. When the error probability for\ndifferential phase-shift keying (DPSK) signals is evaluated, depending on the\nnumber of fiber spans, the signal-to-noise ratio (SNR) penalty is increased by\nup to 0.23 dB due to the dependence between the Gaussian noise and the\nquadratic phase noise.",
    "arxiv_id": "physics/0404058",
    "authors": [
      "Keang-Po Ho"
    ],
    "categories": [
      "physics.optics",
      "physics.data-an"
    ],
    "doi": "10.1109/TCOMM.2005.852831",
    "journal_ref": "IEEE Transactions on Communications, vol. 53, no. 8, pp.\n  1361-1365, August 2005",
    "title": "Performance of DPSK Signals with Quadratic Phase Noise",
    "url": "https://arxiv.org/abs/physics/0404058"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "7fb8aef0-0774-4dd4-98bd-826a15e083a1",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}