期刊
SCIENCE
卷 325, 期 5945, 页码 1227-1230出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1177077
关键词
-
资金
- Intelligence Advanced Research Projects Activity
- NIST Quantum Information Program
- Lindemann Trust Fellowship
Large-scale quantum information processors must be able to transport and maintain quantum information and repeatedly perform logical operations. Here, we show a combination of all of the fundamental elements required to perform scalable quantum computing through the use of qubits stored in the internal states of trapped atomic ions. We quantified the repeatability of a multiple-qubit operation and observed no loss of performance despite qubit transport over macroscopic distances. Key to these results is the use of different pairs of Be-9(+) hyperfine states for robust qubit storage, readout, and gates, and simultaneous trapping of Mg-24(+) re-cooling ions along with the qubit ions.
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