Implementing conditional quantum phase gate via cavity decay

Implementing conditional quantum phase gate via cavity decay
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通过腔衰减实现条件量子相位门

DOI:
10.1080/09500340600816462
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发表时间:
2006-10
影响因子:
1.3
通讯作者:
Guo, Guang-Can
Guo, Guang-Can
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Zhou, Zheng-Wei;Huang, Ting;Lin, Xiu-Min;Wang, Cheng-Zhi;Guo, Guang-Can

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提出了一种基于绝热通过和腔衰减探测的远距离原子间条件量子相位门的理论实现方案。该方案对原子自发辐射、输出耦合效率低下和探测器效率低下等噪声源具有很强的鲁棒性。特别地,即使不能更好地满足Lamb-Dicke条件,也可以实现相位门。
We propose a theoretical scheme to implement the conditional quantum phase gate between distant atoms based on adiabatic passage and the detection of cavity decay. This scheme is inherently robust to diverse sources of noise, for instance, atomic spontaneous emission, output coupling inefficiency and detector inefficiency. Especially, the phase gate can be realized even if the Lamb–Dicke condition is not better satisfied.
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