Trapped-ion quantum computing: Progress and challenges

Trapped ions are among the most promising systems for practical quantum computing (QC). The basic requirements for universal QC have all been demonstrated with ions, and quantum algorithms using few-ion-qubit systems have been implemented. We review the state of the field, covering the basics of how...

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Veröffentlicht in:Applied Physics Reviews 2019-06, Vol.6 (2)
Hauptverfasser: Bruzewicz, Colin D., Chiaverini, John, McConnell, Robert, Sage, Jeremy M.
Format: Artikel
Sprache:eng
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Zusammenfassung:Trapped ions are among the most promising systems for practical quantum computing (QC). The basic requirements for universal QC have all been demonstrated with ions, and quantum algorithms using few-ion-qubit systems have been implemented. We review the state of the field, covering the basics of how trapped ions are used for QC and their strengths and limitations as qubits. In addition, we discuss what is being done, and what may be required, to increase the scale of trapped ion quantum computers while mitigating decoherence and control errors. Finally, we explore the outlook for trapped-ion QC. In particular, we discuss near-term applications, considerations impacting the design of future systems of trapped ions, and experiments and demonstrations that may further inform these considerations.
ISSN:1931-9401
1931-9401
DOI:10.1063/1.5088164