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Realization of Quantum Swap Gate and Generation of Entangled Coherent States

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成果类型:
期刊论文
作者:
Zhang, Ziqiu;Jiang, Xi;Tang, Shiqing
通讯作者:
Shiqing Tang
作者机构:
[Jiang, Xi; Zhang, Ziqiu; Tang, Shiqing] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.
[Tang, Shiqing] Hunan Normal Univ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Minist Educ, Changsha 410081, Peoples R China.
通讯机构:
[Shiqing Tang] K
Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Hunan Normal University, Changsha 410081, China<&wdkj&>College of Physics and Electronic Engineering, Hengyang Normal University, Hengyang 421002, China<&wdkj&>Author to whom correspondence should be addressed.
语种:
英文
关键词:
circuit QED;microwave;optical;swap gates;qubit
期刊:
Symmetry
ISSN:
2073-8994
年:
2022
卷:
14
期:
9
页码:
1951-
基金类别:
Conceptualization, S.T. and Z.Z.; methodology, S.T.; software, Z.Z.; validation, Z.Z., X.J. and S.T.; formal analysis, S.T.; investigation, S.T.; resources, S.T.; data curation, Z.Z.; writing—original draft preparation, Z.Z.; writing—review and editing, S.T.; visualization, Z.Z.; supervision, S.T.; project administration, S.T.; funding acquisition, S.T. All authors have read and agreed to the published version of the manuscript. This work is supported by the Hunan Provincial Natural Science Foundation of China under Grant Nos. 2020JJ4146 and 2020JJ4002, the Open Fund project of the Key Laboratory of Optoelectronic Control and Detection Technology of University of Hunan Province under Grant No. PC20K02, the open fund project of the Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education under Grant No. QSQC1907, and the Science and Technology Plan Project of Hunan Province under Grant No. 2016TP1020.
机构署名:
本校为第一机构
院系归属:
物理与电子工程学院
摘要:
The cross fusion of quantum mechanics and information science forms quantum information science. Quantum logic gates and quantum entanglement are very important building blocks in quantum information processing. In this paper, we propose one-step schemes for realizing quantum swap gates and generating two-mode entangled coherent states via circuit QED. In our scheme, due to the adiabatic elimination of the excited state of the qutrit under the condition of large detuning, the decoherence of the spontaneous emission of the qutrit can be ignored. The fidelity of the quantum swap gate remains at ...

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