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Five-second coheren...
Five-second coherence of a single spin with single-shot readout in silicon carbide
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- Anderson, Christopher P. (author)
- Univ Chicago, IL 60637 USA; Univ Chicago, IL 60637 USA
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- Glen, Elena O. (author)
- Univ Chicago, IL 60637 USA
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- Zeledon, Cyrus (author)
- Univ Chicago, IL 60637 USA
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- Bourassa, Alexandre (author)
- Univ Chicago, IL 60637 USA
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- Jin, Yu (author)
- Univ Chicago, IL 60637 USA
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- Zhu, Yizhi (author)
- Univ Chicago, IL 60637 USA
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- Vorwerk, Christian (author)
- Univ Chicago, IL 60637 USA
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- Crook, Alexander L. (author)
- Univ Chicago, IL 60637 USA; Univ Chicago, IL 60637 USA
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- Abe, Hiroshi (author)
- Natl Inst Quantum Sci & Technol, Japan
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- Ul-Hassan, Jawad (author)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Ohshima, Takeshi (author)
- Natl Inst Quantum Sci & Technol, Japan
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- Nguyen, Son Tien (author)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Galli, Giulia (author)
- Univ Chicago, IL 60637 USA; Univ Chicago, IL 60637 USA; Argonne Natl Lab, IL 60439 USA
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- Awschalom, David D. (author)
- Univ Chicago, IL 60637 USA; Univ Chicago, IL 60637 USA; Argonne Natl Lab, IL 60439 USA
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(creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2022
- 2022
- English.
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In: Science Advances. - : American Association for the Advancement of Science (AAAS). - 2375-2548. ; 8:5
- Related links:
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https://liu.diva-por... (primary) (Raw object)
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https://www.science....
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- An outstanding hurdle for defect spin qubits in silicon carbide (SiC) is single-shot readout, a deterministic measurement of the quantum state. Here, we demonstrate single-shot readout of single defects in SiC via spin-to-charge conversion, whereby the defects spin state is mapped onto a long-lived charge state. With this technique, we achieve over 80% readout fidelity without pre- or postselection, resulting in a high signal-to-noise ratio that enables us to measure long spin coherence times. Combined with pulsed dynamical decoupling sequences in an isotopically purified host material, we report single-spin T-2 > 5 seconds, over two orders of magnitude greater than previously reported in this system. The mapping of these coherent spin states onto single charges unlocks both single-shot readout for scalable quantum nodes and opportunities for electrical readout via integration with semiconductor devices.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Anderson, Christ ...
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Glen, Elena O.
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Zeledon, Cyrus
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Bourassa, Alexan ...
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Jin, Yu
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Zhu, Yizhi
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show more...
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Vorwerk, Christi ...
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Crook, Alexander ...
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Abe, Hiroshi
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Ul-Hassan, Jawad
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Ohshima, Takeshi
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Nguyen, Son Tien
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Galli, Giulia
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Awschalom, David ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Science Advances
- By the university
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Linköping University