{
  "id": "2406.16622",
  "version": "v1",
  "published": "2024-06-24T13:08:49.000Z",
  "updated": "2024-06-24T13:08:49.000Z",
  "title": "Simultaneous Generation of Quantum Frequency Combs across Distinct Modal Families in a Single $Si_3 N_4$ Whispering Gallery Mode Resonator",
  "authors": [
    "Bo Ji",
    "Nianqin Li",
    "Guangqiang He"
  ],
  "comment": "14 pages, 8 figures",
  "categories": [
    "quant-ph",
    "physics.optics"
  ],
  "abstract": "Quantum frequency combs (QFCs) are versatile resources for multi-mode entanglement, such as cluster states, crucial for quantum communication and computation. On-chip whispering gallery mode resonators (WGMRs) can generate these states at ultra-low threshold power. In this paper, we demonstrate the simultaneous generation of three QFCs using a single on-chip $Si_3N_4$ WGMR across distinct modal families. We designed a micro-ring resonator with a radius of 240 $\\mu m$, capable of supporting four modal families within the 130 to 260 $THz$ frequency range for consistency regulation. Our results indicate that, by carefully designing the structure of $Si_3 N_4$ WGMRs, it is possible to generate quantum entangled frequency combs across distinct modal families simultaneously using monochromatic pump light. This is achieved by modulating the pump mode profiles with a spatial light modulator (SLM). Our approach offers a simple and low-cost method to achieve higher-density entanglement integration on-chip.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2024-06-24T13:08:49.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "whispering gallery mode resonator",
      "distinct modal families",
      "quantum frequency combs",
      "simultaneous generation",
      "higher-density entanglement integration on-chip"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 14,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}