10-Qubit Entanglement and Parallel Logic Operations with a Superconducting Circuit - Details

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Abstract：

Here　we　report　on　the　production　and　tomography　of　genuinely　entangled　Greenberger-Horne-Zeilinger　states　with　up　to　ten　qubits　connecting　to　a　bus　resonator　in　a　superconducting　circuit,　where　the　resonator-mediated　qubit-qubit　interactions　are　used　to　controllably　entangle　multiple　qubits　and　to　operate　on　different　pairs　of　qubits　in　parallel.　The　resulting　10-qubit　density　matrix　is　probed　by　quantum　state　tomography,　with　a　fidelity　of　0.668±0.025.　Our　results　demonstrate　the　largest　entanglement　created　so　far　in　solid-state　architectures　and　pave　the　way　to　large-scale　quantum　computation.　©　2017　American　Physical　Society.

Keyword：

Computation theory Logic circuits Quantum entanglement Quantum optics Qubits Resonators Superconducting resonators Timing circuits Tomography

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[ 1 ] [Song, Chao]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 2 ] [Song, Chao]CAS, Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui; 230026, China
[ 3 ] [Xu, Kai]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 4 ] [Xu, Kai]CAS, Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui; 230026, China
[ 5 ] [Liu, Wuxin]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 6 ] [Yang, Chui-Ping]Department of Physics, Hangzhou Normal University, Hangzhou, Zhejiang; 310036, China
[ 7 ] [Zheng, Shi-Biao]Fujian Key Laboratory of Quantum Information and Quantum Optics, College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian; 350116, China
[ 8 ] [Deng, Hui]Institute of Physics, Chinese Academy of Sciences, Beijing; 100190, China
[ 9 ] [Xie, Qiwei]Institute of Automation, Chinese Academy of Sciences, Beijing; 100190, China
[ 10 ] [Huang, Keqiang]Institute of Physics, Chinese Academy of Sciences, Beijing; 100190, China
[ 11 ] [Huang, Keqiang]School of Physical Sciences, University of Chinese Academy of Sciences, Beijing; 100049, China
[ 12 ] [Guo, Qiujiang]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 13 ] [Zhang, Libo]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 14 ] [Zhang, Pengfei]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 15 ] [Xu, Da]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 16 ] [Zheng, Dongning]Institute of Physics, Chinese Academy of Sciences, Beijing; 100190, China
[ 17 ] [Zheng, Dongning]School of Physical Sciences, University of Chinese Academy of Sciences, Beijing; 100049, China
[ 18 ] [Zhu, Xiaobo]CAS, Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui; 230026, China
[ 19 ] [Zhu, Xiaobo]Shanghai Branch, National Laboratory for Physical Sciences at Microscale, Department of Modern Physics, University of Science and Technology of China, Shanghai; 201315, China
[ 20 ] [Wang, H.]Department of Physics, Zhejiang University, Hangzhou, Zhejiang; 310027, China
[ 21 ] [Wang, H.]CAS, Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui; 230026, China
[ 22 ] [Chen, Y.-A.]CAS, Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui; 230026, China
[ 23 ] [Chen, Y.-A.]Shanghai Branch, National Laboratory for Physical Sciences at Microscale, Department of Modern Physics, University of Science and Technology of China, Shanghai; 201315, China
[ 24 ] [Lu, C.-Y.]CAS, Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui; 230026, China
[ 25 ] [Lu, C.-Y.]Shanghai Branch, National Laboratory for Physical Sciences at Microscale, Department of Modern Physics, University of Science and Technology of China, Shanghai; 201315, China
[ 26 ] [Han, Siyuan]Department of Physics and Astronomy, University of Kansas, Lawrence; KS; 66045, United States
[ 27 ] [Pan, Jian-Wei]CAS, Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui; 230026, China
[ 28 ] [Pan, Jian-Wei]Shanghai Branch, National Laboratory for Physical Sciences at Microscale, Department of Modern Physics, University of Science and Technology of China, Shanghai; 201315, China

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Source ：

Physical Review Letters

ISSN： 0031-9007

Year： 2017

Issue： 18

Volume： 119

8 . 8 3 9

JCR@2017

8 . 1 0 0

JCR@2023

ESI HC Threshold：170

JCR Journal Grade：1

CAS Journal Grade：1

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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