Controlled Phase Flip Gate and Its Application in Low-Q Cavities by Single-Photon Input-Output Process

王波, 陈琼, 杨万里, 寇谡鹏

理论物理通讯 ›› 2012, Vol. 58 ›› Issue (02) : 225-228.

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会计学季刊
Quarterly Journal of Accounting
主办单位:
香港中文大学会计学院
上海财经大学会计学院
南京大学商学院会计学系
ISSN: 3006-1415
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理论物理通讯 ›› 2012, Vol. 58 ›› Issue (02) : 225-228.

Controlled Phase Flip Gate and Its Application in Low-Q Cavities by Single-Photon Input-Output Process

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Controlled Phase Flip Gate and Its Application in Low-Q Cavities by Single-Photon Input-Output Process

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文章历史 +

摘要

By employing an auxiliary cavity, we investigate the possibility to implement the conditional phase flip (CPF) gate on two atoms confined in separate low-Q cavities by single-photon input-output process, based on the Faraday rotation. This indicates a universal quantum computing available with sophisticated cavity QED techniques. As examples, we carry out generation of cluster states of distant atomic qubits and accomplish a teleportation based on Bell-state measurement in low-Q cavities.

Abstract

By employing an auxiliary cavity, we investigate the possibility to implement the conditional phase flip (CPF) gate on two atoms confined in separate low-Q cavities by single-photon input-output process, based on the Faraday rotation. This indicates a universal quantum computing available with sophisticated cavity QED techniques. As examples, we carry out generation of cluster states of distant atomic qubits and accomplish a teleportation based on Bell-state measurement in low-Q cavities.

关键词

conditional phase flip gate / faraday rotation / cluster states

Key words

conditional phase flip gate / faraday rotation / cluster states

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导出引用
王波, 寇谡鹏, 陈琼, . Controlled Phase Flip Gate and Its Application in Low-Q Cavities by Single-Photon Input-Output Process[J]. 理论物理通讯, 2012, 58(02): 225-228
WANG Bo, KOU Su-Peng, CHEN Qiong, et al. Controlled Phase Flip Gate and Its Application in Low-Q Cavities by Single-Photon Input-Output Process[J]. Communications in Theoretical Physics, 2012, 58(02): 225-228
中图分类号: 03.67.Lx    42.50.Dv   

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基金

Supported by National Natural Science Foundation of China under Grant Nos. 10774163, 11104326, 11004226, 11174035, National Basic Research Program of China (973 Program) under Grant Nos. 2011CB921803, 2012CB921704, and China Postdoctoral Science Foundation Funded Project under Grant No. 2012M510342


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