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  • de Graaf, Sebastian Erik,1986National Physical Laboratory (NPL) (author)

Suppression of low-frequency charge noise in superconducting resonators by surface spin desorption

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-03-20
  • Springer Science and Business Media LLC,2018
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:1fe7ed6a-6371-49f4-9211-c8bf7b26eaef
  • https://doi.org/10.1038/s41467-018-03577-2DOI
  • https://research.chalmers.se/publication/502841URI
  • https://research.chalmers.se/publication/501649URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Noise and decoherence due to spurious two-level systems located at material interfaces are long-standing issues for solid-state quantum devices. Efforts to mitigate the effects of two-level systems have been hampered by a lack of knowledge about their chemical and physical nature. Here, by combining dielectric loss, frequency noise and on-chip electron spin resonance measurements in superconducting resonators, we demonstrate that desorption of surface spins is accompanied by an almost tenfold reduction in the charge-induced frequency noise in the resonators. These measurements provide experimental evid ence that simultaneously reveals the chemical signatures of adsorbed magnetic moments and highlights their role in generating charge noise in solid-state quantum devices.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Faoro, L.Landau Institute for Theoretical Physics (author)
  • Burnett, Jonathan,1987Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)burnett (author)
  • Adamyan, Astghik,1984Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)astghik (author)
  • Tzalenchuk, Alexander,1962National Physical Laboratory (NPL),Royal Holloway University of London (author)
  • Kubatkin, Sergey,1959Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kubatkin (author)
  • Lindström, Tobias,1976National Physical Laboratory (NPL)(Swepub:cth)tobiasl (author)
  • Danilov, Andrey,1961Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)danilov (author)
  • National Physical Laboratory (NPL)Landau Institute for Theoretical Physics (creator_code:org_t)

Related titles

  • In:Nature Communications: Springer Science and Business Media LLC9:12041-17232041-1723

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