{
  "annotation_id": "0e985444-b2e6-4553-ad6f-e5eb044b8835",
  "date_created": "2026-03-02T18:02:24.179000Z",
  "date_modified": "2026-03-02T18:02:24.179000Z",
  "file_hash": "da40803bb776cac879a30425dd202a9043d0f1fea3787a8e7757f4dc01af6b4b",
  "private": false,
  "record": {
    "abstract": "We discuss the feasibility of a quantum nondemolition measurement (QND) of\nphoton number based on cross phase modulation due to the Kerr effect in\nPhotonic Crystal Waveguides (PCWs). In particular, we derive the equations for\ntwo modes propagating in PCWs and their coupling by a third order nonlinearity.\nThe reduced group velocity and small cross-sectional area of the PCW lead to an\nenhancement of the interaction relative to bulk materials. We show that in\nprinciple, such experiments may be feasible with current photonic technologies,\nalthough they are limited by material properties. Our analysis of the\npropagation equations is sufficiently general to be applicable to the study of\nsoliton formation, all-optical switching and can be extended to processes\ninvolving other orders of the nonlinearity.",
    "arxiv_id": "quant-ph/0603150",
    "authors": [
      "Ilya Fushman",
      "Jelena Vuckovic"
    ],
    "categories": [
      "quant-ph",
      "physics.optics"
    ],
    "doi": "10.1364/OE.15.005559",
    "title": "Analysis of a Quantum Nondemolition Measurement Scheme Based on Kerr   Nonlinearity in Photonic Crystal Waveguides",
    "url": "https://arxiv.org/abs/quant-ph/0603150"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "1bbc7ebf-e73d-4839-aef8-2d2078a5dcf9",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}