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Spin-controlled gen...
Spin-controlled generation of indistinguishable and distinguishable photons from silicon vacancy centres in silicon carbide
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- Morioka, Naoya (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany; DENSO CORP, Japan
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- Babin, Charles (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Nagy, Roland (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Gediz, Izel (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Hesselmeier, Erik (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Liu, Di (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Joliffe, Matthew (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Niethammer, Matthias (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Dasari, Durga (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Vorobyov, Vadim (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Kolesov, Roman (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Stoehr, Rainer (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Ul-Hassan, Jawad (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Nguyen, Son Tien (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Ohshima, Takeshi (författare)
- Natl Inst Quantum and Radiol Sci and Technol, Japan
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- Udvarhelyi, Peter (författare)
- Eotvos Lorand Univ, Hungary; Wigner Res Ctr Phys, Hungary; Budapest Univ Technol and Econ, Hungary
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- Thiering, Gergo (författare)
- Wigner Res Ctr Phys, Hungary
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- Gali, Adam (författare)
- Wigner Res Ctr Phys, Hungary; Budapest Univ Technol and Econ, Hungary
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- Wrachtrup, Joerg (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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- Kaiser, Florian (författare)
- Univ Stuttgart, Germany; Inst Quantum Sci and Technol IQST, Germany
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(creator_code:org_t)
- 2020-05-20
- 2020
- Engelska.
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Ingår i: Nature Communications. - : NATURE PUBLISHING GROUP. - 2041-1723. ; 11:1
- Relaterad länk:
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
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Morioka, Naoya
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Babin, Charles
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Nagy, Roland
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Gediz, Izel
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Hesselmeier, Eri ...
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Liu, Di
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visa fler...
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Joliffe, Matthew
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Niethammer, Matt ...
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Dasari, Durga
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Vorobyov, Vadim
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Kolesov, Roman
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Stoehr, Rainer
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Ul-Hassan, Jawad
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Nguyen, Son Tien
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Ohshima, Takeshi
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Udvarhelyi, Pete ...
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Thiering, Gergo
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Gali, Adam
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Wrachtrup, Joerg
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Kaiser, Florian
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