{
  "abstract": "A low-noise, high-speed balanced homodyne detector is demonstrated, combining a capacitive-feedback transimpedance amplifier implemented in 28 nm CMOS with a custom photonic integrated circuit fabricated in imec's iSiPP200 silicon photonics platform. The receiver achieves a 3-dB bandwidth of 7.6 GHz, a maximum shot noise clearance of 27 dB, a shot noise-limited bandwidth of 13.7 GHz and a common-mode rejection ratio up to 54.8 dB. These results demonstrate the suitability of CMOS capacitive-feedback transimpedance amplifiers for demanding quantum and coherent sensing optical applications, including continuous-variable quantum key distribution, quantum random number generation, and optical coherence tomography.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2609.37671",
  "author_total": 8,
  "authors": [
    {
      "name": "Sarah Bastiaens"
    },
    {
      "name": "Cedric Bruynsteen"
    },
    {
      "name": "Simone Cammarata"
    },
    {
      "name": "Axl Bomhals"
    },
    {
      "name": "Leandro da Silva"
    },
    {
      "name": "Michiel Van Osta"
    },
    {
      "name": "Johan Bauwelinck"
    },
    {
      "name": "Xin Yin"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/1eqg8xkeda1nw.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2609.37671",
  "fulltext_url": null,
  "id": "1eqg8xkeda1nw",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2609.37671",
  "language": null,
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "quant-ph"
    ],
    [
      "openalex",
      "2208|Photonic and Optical Devices"
    ]
  ],
  "openalex": "W7214904462",
  "pdf_url": "https://arxiv.org/pdf/2609.37671",
  "pmcid": null,
  "pmid": null,
  "published": "2026-09-29",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/1eqg8xkeda1nw.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:25:31Z",
      "native_id": "2609.37671",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2609.37671"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:quant-ph",
      "subfield": "quantum"
    }
  ],
  "title": "Integrated balanced homodyne detector using CMOS capacitive-feedback TIA for quantum measurements",
  "title_text": "Integrated balanced homodyne detector using CMOS capacitive-feedback TIA for quantum measurements",
  "type": "preprint",
  "updated_at": "2026-10-30T12:25:31Z",
  "url": "https://research.draconitic.com/paper/1eqg8xkeda1nw",
  "venue": "arXiv",
  "versions": []
}