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| Hauptseite > Publikationsdatenbank > Spin-EPR-pair separation by conveyor-mode single electron shuttling in Si/SiGe > print |
| Hauptseite > Publikationsdatenbank > Spin-EPR-pair separation by conveyor-mode single electron shuttling in Si/SiGe > print |
| 001 | 1023792 | ||
| 005 | 20250203103456.0 | ||
| 024 | 7 | _ | |a 10.48550/ARXIV.2307.04897 |2 doi |
| 024 | 7 | _ | |a 10.34734/FZJ-2024-01805 |2 datacite_doi |
| 037 | _ | _ | |a FZJ-2024-01805 |
| 100 | 1 | _ | |a Struck, Tom |0 P:(DE-Juel1)196096 |b 0 |e Corresponding author |u fzj |
| 245 | _ | _ | |a Spin-EPR-pair separation by conveyor-mode single electron shuttling in Si/SiGe |
| 260 | _ | _ | |c 2023 |b arXiv |
| 336 | 7 | _ | |a Preprint |b preprint |m preprint |0 PUB:(DE-HGF)25 |s 1709895126_23485 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a WORKING_PAPER |2 ORCID |
| 336 | 7 | _ | |a Electronic Article |0 28 |2 EndNote |
| 336 | 7 | _ | |a preprint |2 DRIVER |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a Output Types/Working Paper |2 DataCite |
| 520 | _ | _ | |a Long-ranged coherent qubit coupling is a missing function block for scaling up spin qubit based quantum computing solutions. Spin-coherent conveyor-mode electron-shuttling could enable spin quantum-chips with scalable and sparse qubit-architecture. Its key feature is the operation by only few easily tuneable input terminals and compatibility with industrial gate-fabrication. Single electron shuttling in conveyor-mode in a 420 nm long quantum bus has been demonstrated previously. Here we investigate the spin coherence during conveyor-mode shuttling by separation and rejoining an Einstein-Podolsky-Rosen (EPR) spin-pair. Compared to previous work we boost the shuttle velocity by a factor of 10000. We observe a rising spin-qubit dephasing time with the longer shuttle distances due to motional narrowing and estimate the spin-shuttle infidelity due to dephasing to be 0.7 % for a total shuttle distance of nominal 560 nm. Shuttling several loops up to an accumulated distance of 3.36 $μ$m, spin-entanglement of the EPR pair is still detectable, giving good perspective for our approach of a shuttle-based scalable quantum computing architecture in silicon. |
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| 650 | _ | 7 | |a Quantum Physics (quant-ph) |2 Other |
| 650 | _ | 7 | |a Mesoscale and Nanoscale Physics (cond-mat.mes-hall) |2 Other |
| 650 | _ | 7 | |a FOS: Physical sciences |2 Other |
| 700 | 1 | _ | |a Volmer, Mats |0 P:(DE-Juel1)196668 |b 1 |u fzj |
| 700 | 1 | _ | |a Visser, Lino |0 P:(DE-Juel1)196090 |b 2 |u fzj |
| 700 | 1 | _ | |a Offermann, Tobias |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Xue, Ran |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Tu, Jhih-Sian |0 P:(DE-Juel1)167206 |b 5 |u fzj |
| 700 | 1 | _ | |a Trellenkamp, Stefan |0 P:(DE-Juel1)128856 |b 6 |u fzj |
| 700 | 1 | _ | |a Cywiński, Łukasz |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Bluhm, Hendrik |0 P:(DE-Juel1)172019 |b 8 |u fzj |
| 700 | 1 | _ | |a Schreiber, Lars R. |0 P:(DE-Juel1)172641 |b 9 |u fzj |
| 773 | _ | _ | |a 10.48550/ARXIV.2307.04897 |
| 856 | 4 | _ | |y OpenAccess |u https://juser.fz-juelich.de/record/1023792/files/2307.04897.pdf |
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