Breaking the Entangling Gate Speed Limit for Trapped-Ion Qubits Using a Phase-Stable Standing Wave.
Breaking the Entangling Gate Speed Limit for Trapped-Ion Qubits Using a Phase-Stable Standing Wave.
复制标题
使用相位稳定驻波打破捕获离子量子位的纠缠门速度限制。
DOI:
10.1103/physrevlett.131.220601
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发表时间:
2023
影响因子:
8.6
通讯作者:
Saner S
中科院分区:
文献类型:
--
作者:
Saner S
All laser-driven entangling operations for trapped-ion qubits have hitherto been performed without control of the optical phase of the light field, which precludes independent tuning of the carrier and motional coupling. By placingions in astanding wave, whose relative position is controlled to, we suppress the carrier coupling by a factor of 18, while coherently enhancing the spin-motion coupling. We experimentally demonstrate that the off-resonant carrier coupling imposes a speed limit for conventional traveling-wave Mølmer-Sørensen gates; we use the standing wave to surpass this limit and achieve a gate duration of, restricted by the available laser power.
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