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  • Morioka, NaoyaUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany; DENSO CORP, Japan (författare)

Spin-controlled generation of indistinguishable and distinguishable photons from silicon vacancy centres in silicon carbide

  • Artikel/kapitelEngelska2020

Förlag, utgivningsår, omfång ...

  • 2020-05-20
  • NATURE PUBLISHING GROUP,2020
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-166480
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-166480URI
  • https://doi.org/10.1038/s41467-020-16330-5DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Funding Agencies|European Research Council (ERC)European Research Council (ERC); European Commission Marie Curie ETN "QuSCo" [765267]; Max Planck SocietyMax Planck SocietyFoundation CELLEX; Humboldt FoundationAlexander von Humboldt Foundation; German Research FoundationGerman Research Foundation (DFG) [SPP 1601]; Carl-Zeiss-Stiftung; Swedish Research CouncilSwedish Research Council [VR 2016-04068]; Swedish Energy AgencySwedish Energy Agency [43611-1]; Knut and Alice Wallenberg FoundationKnut & Alice Wallenberg Foundation [KAW 2018.0071]; EUEuropean Union (EU) [862721]; Japan Society for the Promotion of ScienceMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of Science [JSPS KAKENHI 17H01056, 18H03770]; National Excellence Program of Quantum-Coherent Materials Project (Hungarian NKFIH) [KKP129866]; EU QuantERA Q-Magine Project [127889]; QuantERA Nanospin Project [127902]; National Quantum Technology Program [2017-1.2.1-NKP-2017-00001]
  • Quantum systems combining indistinguishable photon generation and spin-based quantum information processing are essential for remote quantum applications and networking. However, identification of suitable systems in scalable platforms remains a challenge. Here, we investigate the silicon vacancy centre in silicon carbide and demonstrate controlled emission of indistinguishable and distinguishable photons via coherent spin manipulation. Using strong off-resonant excitation and collecting zero-phonon line photons, we show a two-photon interference contrast close to 90% in Hong-Ou-Mandel type experiments. Further, we exploit the systems intimate spin-photon relation to spin-control the colour and indistinguishability of consecutively emitted photons. Our results provide a deep insight into the systems spin-phonon-photon physics and underline the potential of the industrially compatible silicon carbide platform for measurement-based entanglement distribution and photonic cluster state generation. Additional coupling to quantum registers based on individual nuclear spins would further allow for high-level network-relevant quantum information processing, such as error correction and entanglement purification. Defects in silicon carbide can act as single photon sources that also have the benefit of a host material that is already used in electronic devices. Here the authors demonstrate that they can control the distinguishability of the emitted photons by changing the defect spin state.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Babin, CharlesUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Nagy, RolandUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Gediz, IzelUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Hesselmeier, ErikUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Liu, DiUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Joliffe, MatthewUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Niethammer, MatthiasUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Dasari, DurgaUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Vorobyov, VadimUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Kolesov, RomanUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Stoehr, RainerUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Ul-Hassan, JawadLinköpings universitet,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)jawul47 (författare)
  • Nguyen, Son TienLinköpings universitet,Halvledarmaterial,Tekniska fakulteten(Swepub:liu)nguso90 (författare)
  • Ohshima, TakeshiNatl Inst Quantum and Radiol Sci and Technol, Japan (författare)
  • Udvarhelyi, PeterEotvos Lorand Univ, Hungary; Wigner Res Ctr Phys, Hungary; Budapest Univ Technol and Econ, Hungary (författare)
  • Thiering, GergoWigner Res Ctr Phys, Hungary (författare)
  • Gali, AdamWigner Res Ctr Phys, Hungary; Budapest Univ Technol and Econ, Hungary (författare)
  • Wrachtrup, JoergUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Kaiser, FlorianUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (författare)
  • Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany; DENSO CORP, JapanUniv Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Nature Communications: NATURE PUBLISHING GROUP11:12041-1723

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