Trapped ion quantum computers can use two different kinds of ion to avoid crosstalk between adjacent qubits. Encoding two different qubit types in only one ion species can achieve the same goal while reducing experimental complexity.
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Change history
15 August 2022
A Correction to this paper has been published: https://doi.org/10.1038/s41567-022-01754-1
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Hempel, C. Two qubits for the price of one ion. Nat. Phys. 18, 965–966 (2022). https://doi.org/10.1038/s41567-022-01713-w
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DOI: https://doi.org/10.1038/s41567-022-01713-w
