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Impact of Classical Control Electronics on Qubit Fidelity
https://oist.repo.nii.ac.jp/records/1351
https://oist.repo.nii.ac.jp/records/1351597e742d-7ee4-43d5-8611-8bc3e8adcd0a
名前 / ファイル | ライセンス | アクション |
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van Dijk-2019-Impact of Classical Control Elec (802.6 kB)
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Creative Commons Attribution 4.0 International(https://creativecommons.org/licenses/by/4.0/)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-04-14 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Impact of Classical Control Electronics on Qubit Fidelity | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
van Dijk, J.P.G.
× van Dijk, J.P.G.× Kawakami, E.× Schouten, R.N.× Veldhorst, M.× Vandersypen, L.M.K.× Babaie, M.× Charbon, E.× Sebastiano, F. |
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書誌情報 |
en : Physical Review Applied 巻 12, 号 4, p. 044054, 発行日 2019-10-24 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Quantum processors rely on classical electronic controllers to manipulate and read out the state of quantum bits (qubits). As the performance of the quantum processor improves, nonidealities in the classical controller can become the performance bottleneck for the whole quantum computer. To prevent such limitation, this paper presents a systematic study of the impact of the classical electrical signals on the qubit fidelity. All operations, i.e., single-qubit rotations, two-qubit gates, and readout, are considered, in the presence of errors in the control electronics, such as static, dynamic, systematic, and random errors. Although the presented study could be extended to any qubit technology, it currently focuses on single-electron spin qubits, because of several advantages, such as purely electrical control and long coherence times, and for their potential for large-scale integration. As a result of this study, detailed electrical specifications for the classical control electronics for a given qubit fidelity can be derived. We also discuss how qubit fidelity is affected by the limited performance of the general-purpose room-temperature equipment typically employed to control the few qubits available today. Ultimately, we show that tailor-made electronic controllers can achieve significantly lower power, cost, and size, as required to support the scaling up of quantum computers. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2331-7019 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevApplied.12.044054 | |||||
情報源 | ||||||
関連名称 | https://creativecommons.org/licenses/by/4.0/ | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.12.044054 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |