{
  "abstract": "Nonlinear microwave resonators are a versatile tool in quantum information processing, enabling parametric amplification, continuous variable quantum computing, and engineered mode interactions. Many of these applications especially benefit from cubic nonlinearities enabling three-wave mixing; at the same time, they are limited by quartic nonlinearities giving rise to undesired Kerr effects. A recurrent challenge is therefore to engineer resonators with a finite cubic nonlinearity while suppressing quartic terms. Here, we investigate a superconducting resonator hosting two weak links fabricated from an aluminum-capped indium arsenide nanowire. We characterize the Kerr nonlinearity as a function of magnetic flux and gate bias, showing that it can be tuned to zero with either control parameter. Furthermore, we experimentally demonstrate three-wave mixing in a semiconductor-superconductor hybrid device, establishing nonzero cubic nonlinearity. An effective model based on Andreev bound states qualitatively captures the observed trends. Our results validate semiconductor-superconductor hybrid devices as a promising platform for tunable nonlinear superconducting circuits, with applications in parametric amplification, quantum control of bosonic modes, and engineering interactions between microwave modes.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2608.28428",
  "author_total": 9,
  "authors": [
    {
      "name": "Vittorio Buccheri"
    },
    {
      "name": "Ivo P. C. Cools"
    },
    {
      "name": "Nermin Trnjanin"
    },
    {
      "name": "Ankit Khola"
    },
    {
      "name": "Oleg Shvetsov"
    },
    {
      "name": "Thomas Kanne"
    },
    {
      "name": "Jesper Nygård"
    },
    {
      "name": "Attila Geresdi"
    },
    {
      "name": "Simone Gasparinetti"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/cz3jczjz3r1tt.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2608.28428",
  "fulltext_url": null,
  "id": "cz3jczjz3r1tt",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2608.28428",
  "language": null,
  "licence": "CC-BY-NC-ND-4.0",
  "licence_label": "CC BY-NC-ND 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "quant-ph"
    ],
    [
      "openalex",
      "1702|Quantum Information and Cryptography"
    ]
  ],
  "openalex": "W7204810678",
  "pdf_url": "https://arxiv.org/pdf/2608.28428",
  "pmcid": null,
  "pmid": null,
  "published": "2026-08-28",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/cz3jczjz3r1tt.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:22Z",
      "native_id": "2608.28428",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2608.28428"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:quant-ph",
      "subfield": "quantum"
    }
  ],
  "title": "Kerr nonlinearity and three-wave mixing in superconducting resonators hosting Al-InAs weak links",
  "title_text": "Kerr nonlinearity and three-wave mixing in superconducting resonators hosting Al-InAs weak links",
  "type": "preprint",
  "updated_at": "2026-10-30T12:17:22Z",
  "url": "https://research.draconitic.com/paper/cz3jczjz3r1tt",
  "venue": "arXiv",
  "versions": []
}