Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED

Abstract A qudit (d-level quantum system) has a large Hilbert space and thus can be used to achieve many quantum information and communication tasks. Here, we propose a method to transfer arbitrary d-dimensional quantum states (known or unknown) between two superconducting transmon qudits coupled to...

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Autores principales:	Tong Liu, Qi-Ping Su, Jin-Hu Yang, Yu Zhang, Shao-Jie Xiong, Jin-Ming Liu, Chui-Ping Yang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/270740fd023e46ebb6813e4d4334d894
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spelling	oai:doaj.org-article:270740fd023e46ebb6813e4d4334d8942021-12-02T11:52:23ZTransferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED10.1038/s41598-017-07225-52045-2322https://doaj.org/article/270740fd023e46ebb6813e4d4334d8942017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07225-5https://doaj.org/toc/2045-2322Abstract A qudit (d-level quantum system) has a large Hilbert space and thus can be used to achieve many quantum information and communication tasks. Here, we propose a method to transfer arbitrary d-dimensional quantum states (known or unknown) between two superconducting transmon qudits coupled to a single cavity. The state transfer can be performed by employing resonant interactions only. In addition, quantum states can be deterministically transferred without measurement. Numerical simulations show that high-fidelity transfer of quantum states between two superconducting transmon qudits (d ≤ 5) is feasible with current circuit QED technology. This proposal is quite general and can be applied to accomplish the same task with natural or artificial atoms of a ladder-type level structure coupled to a cavity or resonator.Tong LiuQi-Ping SuJin-Hu YangYu ZhangShao-Jie XiongJin-Ming LiuChui-Ping YangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tong Liu Qi-Ping Su Jin-Hu Yang Yu Zhang Shao-Jie Xiong Jin-Ming Liu Chui-Ping Yang Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED
description	Abstract A qudit (d-level quantum system) has a large Hilbert space and thus can be used to achieve many quantum information and communication tasks. Here, we propose a method to transfer arbitrary d-dimensional quantum states (known or unknown) between two superconducting transmon qudits coupled to a single cavity. The state transfer can be performed by employing resonant interactions only. In addition, quantum states can be deterministically transferred without measurement. Numerical simulations show that high-fidelity transfer of quantum states between two superconducting transmon qudits (d ≤ 5) is feasible with current circuit QED technology. This proposal is quite general and can be applied to accomplish the same task with natural or artificial atoms of a ladder-type level structure coupled to a cavity or resonator.
format	article
author	Tong Liu Qi-Ping Su Jin-Hu Yang Yu Zhang Shao-Jie Xiong Jin-Ming Liu Chui-Ping Yang
author_facet	Tong Liu Qi-Ping Su Jin-Hu Yang Yu Zhang Shao-Jie Xiong Jin-Ming Liu Chui-Ping Yang
author_sort	Tong Liu
title	Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED
title_short	Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED
title_full	Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED
title_fullStr	Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED
title_full_unstemmed	Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED
title_sort	transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit qed
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/270740fd023e46ebb6813e4d4334d894
work_keys_str_mv	AT tongliu transferringarbitraryddimensionalquantumstatesofasuperconductingtransmonquditincircuitqed AT qipingsu transferringarbitraryddimensionalquantumstatesofasuperconductingtransmonquditincircuitqed AT jinhuyang transferringarbitraryddimensionalquantumstatesofasuperconductingtransmonquditincircuitqed AT yuzhang transferringarbitraryddimensionalquantumstatesofasuperconductingtransmonquditincircuitqed AT shaojiexiong transferringarbitraryddimensionalquantumstatesofasuperconductingtransmonquditincircuitqed AT jinmingliu transferringarbitraryddimensionalquantumstatesofasuperconductingtransmonquditincircuitqed AT chuipingyang transferringarbitraryddimensionalquantumstatesofasuperconductingtransmonquditincircuitqed
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Transferring arbitrary d-dimensional quantum states of a superconducting transmon qudit in circuit QED

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