Single-qubit gates based on targeted phase shifts in a 3D neutral atom array

Wang, Yang, Kumar, Aishwarya, Wu, Tsung-Yao, Weiss, David S. · 2016 · Science

| 编号 NA058 | 主题 原生门、寻址、脉冲与标定 | DOI 10.1126/science.aaf2581 |

摘要

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2016 · Science How to single out the right atoms For a quantum computer to be useful, its qubits have to be able to change their state in response to external stimuli. But when a large number of qubits are packed in a three-dimensional (3D) structure to optimize the use of space, altering one qubit can unintentionally change the state of others. Wang et al. devised a clever way to perform high-fidelity quantum gates only on intended qubits in a 3D array of Cs atoms. Although the operation initially changed the state of some of the other atoms, additional manipulation recovered their original state. The technique may be applicable to other quantum computing implementations. Science , this issue p. 1562

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