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PreprintCC BY 4.0HAL

Engineering multi-photon dissipation with a dc-voltage-biased Josephson junction

  • Marco Paradina
  • Ambroise Peugeot
  • Roberto Negrin
  • Oscar Novat
  • Tristan Villain
  • Anil Murani
  • Jean-Loup Ville
  • Sébastien Jezouin
  • Raphaël Lescanne
  • Audrey Bienfait
  • Benjamin Huard
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Abstract

Multi-photon dissipation – a key resource for bosonic qubits – is usually realized by parametrically pumping a Josephson coupler at the cost of spurious nonlinear terms. Here we instead engineer it using a dc-voltage-biased SQUID, such that these parasitic terms average out. We activate the conversion of one, two, or four photons of a high-Q mode into a single photon of a lossy mode. We characterize the two-photon dissipation by Wigner tomography, establishing dc-biased junctions as a resource for reservoir engineering and a viable route to cat-qubit stabilization

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Cite

BibTeXRIS
BibTeX
@misc{paradina2026engineering,
  title = {{Engineering multi-photon dissipation with a dc-voltage-biased Josephson junction}},
  author = {Marco Paradina and Ambroise Peugeot and Roberto Negrin and Oscar Novat and Tristan Villain and Anil Murani and Jean-Loup Ville and Sébastien Jezouin and Raphaël Lescanne and Audrey Bienfait and Benjamin Huard},
  howpublished = {HAL},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2608.31154},
  eprint = {2608.31154},
  archivePrefix = {arXiv},
  url = {https://hal.science/hal-05800372v1},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Engineering multi-photon dissipation with a dc-voltage-biased Josephson junction
AU  - Marco Paradina
AU  - Ambroise Peugeot
AU  - Roberto Negrin
AU  - Oscar Novat
AU  - Tristan Villain
AU  - Anil Murani
AU  - Jean-Loup Ville
AU  - Sébastien Jezouin
AU  - Raphaël Lescanne
AU  - Audrey Bienfait
AU  - Benjamin Huard
PY  - 2026
DA  - 2026/09/25
PB  - HAL
DO  - 10.48550/arxiv.2608.31154
UR  - https://hal.science/hal-05800372v1
AB  - Multi-photon dissipation – a key resource for bosonic qubits – is usually realized by parametrically pumping a Josephson coupler at the cost of spurious nonlinear terms. Here we instead engineer it using a dc-voltage-biased SQUID, such that these parasitic terms average out. We activate the conversion of one, two, or four photons of a high-Q mode into a single photon of a lossy mode. We characterize the two-photon dissipation by Wigner tomography, establishing dc-biased junctions as a resource for reservoir engineering and a viable route to cat-qubit stabilization
ER  -