Hauptseite > Publikationsdatenbank > Coherent Control of a Long-Lived Nuclear Memory Spin in a Germanium-Vacancy Multi-Qubit Node > print |
001 | 1040969 | ||
005 | 20250416202206.0 | ||
024 | 7 | _ | |a 10.1103/PhysRevLett.134.043603 |2 doi |
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100 | 1 | _ | |a Grimm, Nick |0 P:(DE-HGF)0 |b 0 |
245 | _ | _ | |a Coherent Control of a Long-Lived Nuclear Memory Spin in a Germanium-Vacancy Multi-Qubit Node |
260 | _ | _ | |a College Park, Md. |c 2025 |b APS |
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520 | _ | _ | |a The ability to process and store information on surrounding nuclear spins is a major requirement for group-IV color center-based repeater nodes. We demonstrate coherent control of a 13C nuclear spin strongly coupled to a negatively charged germanium-vacancy center in diamond with coherence times beyond 2.5 s at mK temperatures, which is the longest reported for group-IV defects. Detailed analysis allows us to model the system’s dynamics, extract the coupling parameters, and characterize noise. We estimate an achievable memory time of 18.1 s with heating limitations considered, paving the way to successful applications as a quantum repeater node. |
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700 | 1 | _ | |a Senkalla, Katharina |0 P:(DE-HGF)0 |b 1 |
700 | 1 | _ | |a Vetter, Philipp J. |0 P:(DE-HGF)0 |b 2 |
700 | 1 | _ | |a Frey, Jurek |0 P:(DE-Juel1)187412 |b 3 |e Corresponding author |
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773 | _ | _ | |a 10.1103/PhysRevLett.134.043603 |g Vol. 134, no. 4, p. 043603 |0 PERI:(DE-600)1472655-5 |n 4 |p 043603 |t Physical review letters |v 134 |y 2025 |x 0031-9007 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/1040969/files/PhysRevLett.134.043603.pdf |y OpenAccess |
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