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新型超导量子比特及量子物理问题的研究

赵士平 刘玉玺 郑东宁

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新型超导量子比特及量子物理问题的研究

赵士平, 刘玉玺, 郑东宁

Novel superconducting qubits and quantum physics

Zhao Shi-Ping, Liu Yu-Xi, Zheng Dong-Ning
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  • 近年来,超导量子计算的研究有了很大的进展.本文首先介绍了nSQUID新型超导量子比特的制备和研究进展,包括器件的平面多层膜制备工艺和量子相干性的研究.这类器件在量子态的传输速度和二维势系统的基础物理问题研究方面有着很大的优越性.其次,国际上新近发展的平面形式的transmon和Xmon超导量子比特具有更长的量子相干时间,在器件的设计和耦合方面也有相当的灵活性.本文介绍了我们和浙江大学与中国科学技术大学等单位合作逐步完善的这种形式的Xmon器件的制备工艺、制备出的多种耦合量子比特芯片,以及参与合作,在国际上首次完成的多达10个超导量子比特的量子态纠缠、线性方程组量子算法的实现和多体局域态等固体物理问题的量子模拟.最后介绍了基于这些超导量子比特器件开展的大量的量子物理、非线性物理和量子光学方面的研究,包括在Autler-Townes劈裂、电磁诱导透明、受激拉曼绝热通道、循环跃迁和关联激光等方面形成的一整套系统和独特的研究成果.
    In the past years, superconducting quantum computation has received much attention and significant progress of the device design and fabrication has been made, which leads qubit coherence times to be improved greatly. Recently, we have successfully designed, fabricated, and tested the superconducting qubits based on the negative-inductance superconducting quantum interference devices (nSQUIDs), which are expected to have the advantages for the fast quantum information transfer and macroscopic quantum phenomenon study with a two-dimensional potential landscape. Their quantum coherence and basic physical properties have been demonstrated and systematically investigated. On the other hand, a new type of superconducting qubit, called transmon and Xmon qubit, has been developed in the meantime by the international community, whose coherence time has been gradually increased to the present scale of tens of microseconds. These devices are demonstrated to have many advantages in the sample design and fabrication, and multi-qubit coupling and manipulation. We have also studied this type of superconducting qubit. In collaboration with Zhejiang University and the University of Science and Technology of China, we have successfully fabricated various types of the coupled Xmon devices having the qubit numbers ranging from 4 to 10. Quantum entanglement, quantum algorithm of solving coupled linear equations, and quantum simulation of the many-body localization problem in solid-state physics have been demonstrated by using these devices. Also, we have made significant achievements in the studies of the macroscopic quantum phenomena, quantum dissipation, quantum microwave lasing, and some other quantum optics problems. In particular, Autler-Townes splitting under strong microwave drive, electromagnetically induced transparency, stimulated Raman adiabatic passage, microwave mixing, correlated emission lasing, and microwave frequency up-and-down conversion have been successfully studied, both experimentally and theoretically.
      通信作者: 赵士平, spzhao@iphy.ac.cn
    • 基金项目: 国家自然科学基金(批准号:91321208)资助的课题.
      Corresponding author: Zhao Shi-Ping, spzhao@iphy.ac.cn
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 91321208).
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    Long J L, Ku H S, Wu X, Gu X, Lake R E, Bal M, Liu Y X, Pappas D P 2018 Phys. Rev. Lett. 120 083602

    [21]

    Ding J H, Huai S N, Ian H, Liu Y X 2018 Sci. Rep. 8 4507

    [22]

    Peng Z H, Ding J H, Zhou Y, Ying L L, Wang Z, Zhou L, Kuang L M, Liu Y X, Astfiev O, Tsai J S 2017 arXiv:170511118 [quant-ph] [2018-4-28]

    [23]

    Liu Y X, Xu X W, Miranowicz A, Nori F 2014 Phys. Rev. A 89 043818

    [24]

    Xu H K, Song C, Liu W Y, Xue G M, Su F F, Deng H, Tian Ye, Zheng D N, Han S, Zhong Y P, Wang H, Liu Y X, Zhao S P 2016 Nat. Commun. 7 11018

    [25]

    Wu Y L, Yang L P, Zheng Y R, Deng H, Yan Z G, Zhao Y J, Huang K Q, Munro W J, Nemoto K, Zheng D N, Sun C P, Liu Y X, Zhu X B, Lu Li 2018 npj Quantum Information 4 50

    [26]

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    Zhao Y J, Wang C Q, Zhu X B, Liu Y X 2016 Sci. Rep. 6 23646

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    Peng Z H, Liu Y X, Peltonen J T, Yamamoto T, Tsai J S, Astafiev O 2015 Phys. Rev. Lett. 115 223603

    [29]

    Liu Y X, Sun H C, Peng Z H, Miranowicz A, Tsai J S, Nori F 2014 Sci. Rep. 4 7289

    [30]

    Jia W Z, Wang Y W, Liu Y X 2017 Phys. Rev. A 96 053832

    [31]

    Zhao Y J, Ding J H, Peng Z H, Liu Y X 2017 Phys. Rev. A 95 043806

    [32]

    Tanamoto T, Ono K, Liu Y X, Nori F 2015 Sci. Rep. 5 10076

    [33]

    Gu X, Chen S, Liu Y X 2017 arXiv:171106829 [quant-ph] [2018-4-28]

    [34]

    Ian H, Liu Y X 2014 Phys. Rev. A 89 043804

  • [1]

    Makhlin Y, Schon G, Shnirman A 2001 Rev. Mod. Phys. 73 357

    [2]

    Wendin G, Shumeiko V S 2006 in Rieth M, Schommers W eds. Handbook of Theoretical and Computational Nanotechnology (American Scientific Publishers)

    [3]

    Clarke J, Wilhelm F K 2008 Nature 453 1031

    [4]

    Devoret M H, Schoelkopf R J 2013 Science 339 1169

    [5]

    Wendin G 2016 arXiv: 161002208 [quant-ph] [2018-4-28]

    [6]

    Liu W Y, Zheng D N, Zhao S P 2018 Chin. Phys. B 27 027401

    [7]

    Gu X, Kockum A F, Miranowicz A, Liu Y X, Nori F 2017 Phys. Rep. 718-719 1

    [8]

    Su F F, Liu W Y, Xu H K, Deng H, Li Z Y, Tian Ye, Zhu X B, Zheng D N, Lu Li, Zhao S P 2017 Chin. Phys. B 26 060308

    [9]

    Xue G M, Deng H, Tian Ye, Liu W Y, Xu H K, Zheng D N, Zhao S P Chinese Patent Z L 2017 201410475485X (in Chinese) [薛光明, 邓辉, 田野, 刘伟洋, 徐晖凯, 郑东宁, 赵士平 2017 中国专利 ZL 201410475485X]

    [10]

    Liu W Y, Su F F, Xu H K, Li Z Y, Tian Ye, Zhu X B, Lu Li, Han S, Zhao S P 2018 Supercond. Sci. Technol. 31 045003

    [11]

    Jin Y R, Deng H, Guo X Y, Zheng Y R, Huang K Q, Ning L H, Zheng D N 2017 IEEE Trans. Appl. Supercond. 27 1501904

    [12]

    Liu W Y, Xu H K, Su F F, Li Z Y, Tian Ye, Han S, Zhao S P 2018 Phys. Rev. B 97 094513

    [13]

    Huang K Q, Guo Q J, Song C, Zheng Y R, Deng H, Wu Y L, Jin Y R, Zhu X B, Zheng D N 2017 Chin. Phys. B 26 094203

    [14]

    Zheng Y R, Song C, Chen M C, Xia B X, Liu W X, Guo Q J, Zhang L B, Xu D, Deng H, Huang K Q, Wu Y L, Yan Z G, Zheng D N, Lu Li, Pan J W, Wang H, Lu C Y, Zhu X B 2017 Phys. Rev. Lett. 118 210504

    [15]

    Song C, Xu K, Liu W X, Yang C P, Zheng S B, Deng H, Xie Q W, Huang K Q, Guo Q J, Zhang L B, Zhang P F, Xu D, Zheng D N, Zhu X B, Wang H, Chen Y A, Lu C Y, Han S, Pan J W 2017 Phys. Rev. Lett. 119 180511

    [16]

    Xu K, Chen J J, Zeng Y, Zhang Y R, Song C, Liu W X, Guo Q J, Zhang P F, Xu D, Deng H, Huang K Q, Wang H, Zhu X B, Zheng D N, Fan H 2018 Phys. Rev. Lett. 120 050507

    [17]

    Xue G M, Gong M, Xu H K, Liu W Y, Deng H, Tian Ye, Yu H F, Yu Y, Zheng D N, Zhao S P, Han S 2014 Phys. Rev. B 90 224505

    [18]

    Sun H C, Liu Y X, Ian H, You J Q, Il’ichev E, Nori F 2014 Phys. Rev. A 89 063822

    [19]

    Gu X, Huai S N, Nori F, Liu Y X 2016 Phys. Rev. A 93 063827

    [20]

    Long J L, Ku H S, Wu X, Gu X, Lake R E, Bal M, Liu Y X, Pappas D P 2018 Phys. Rev. Lett. 120 083602

    [21]

    Ding J H, Huai S N, Ian H, Liu Y X 2018 Sci. Rep. 8 4507

    [22]

    Peng Z H, Ding J H, Zhou Y, Ying L L, Wang Z, Zhou L, Kuang L M, Liu Y X, Astfiev O, Tsai J S 2017 arXiv:170511118 [quant-ph] [2018-4-28]

    [23]

    Liu Y X, Xu X W, Miranowicz A, Nori F 2014 Phys. Rev. A 89 043818

    [24]

    Xu H K, Song C, Liu W Y, Xue G M, Su F F, Deng H, Tian Ye, Zheng D N, Han S, Zhong Y P, Wang H, Liu Y X, Zhao S P 2016 Nat. Commun. 7 11018

    [25]

    Wu Y L, Yang L P, Zheng Y R, Deng H, Yan Z G, Zhao Y J, Huang K Q, Munro W J, Nemoto K, Zheng D N, Sun C P, Liu Y X, Zhu X B, Lu Li 2018 npj Quantum Information 4 50

    [26]

    Zhao Y J, Liu Y L, Liu Y X, Nori F 2015 Phys. Rev. A 91 053820

    [27]

    Zhao Y J, Wang C Q, Zhu X B, Liu Y X 2016 Sci. Rep. 6 23646

    [28]

    Peng Z H, Liu Y X, Peltonen J T, Yamamoto T, Tsai J S, Astafiev O 2015 Phys. Rev. Lett. 115 223603

    [29]

    Liu Y X, Sun H C, Peng Z H, Miranowicz A, Tsai J S, Nori F 2014 Sci. Rep. 4 7289

    [30]

    Jia W Z, Wang Y W, Liu Y X 2017 Phys. Rev. A 96 053832

    [31]

    Zhao Y J, Ding J H, Peng Z H, Liu Y X 2017 Phys. Rev. A 95 043806

    [32]

    Tanamoto T, Ono K, Liu Y X, Nori F 2015 Sci. Rep. 5 10076

    [33]

    Gu X, Chen S, Liu Y X 2017 arXiv:171106829 [quant-ph] [2018-4-28]

    [34]

    Ian H, Liu Y X 2014 Phys. Rev. A 89 043804

计量
  • 文章访问数:  2788
  • PDF下载量:  201
  • 被引次数: 0
出版历程
  • 收稿日期:  2018-04-28
  • 修回日期:  2018-05-14
  • 刊出日期:  2019-11-20

新型超导量子比特及量子物理问题的研究

  • 1. 中国科学院物理研究所, 北京凝聚态物理国家研究中心, 北京 100190;
  • 2. 清华大学微电子学研究所, 清华信息科学与技术国家实验室, 北京 100084;
  • 3. 中国科学院大学, 物理科学学院, 北京 100049
  • 通信作者: 赵士平, spzhao@iphy.ac.cn
    基金项目: 

    国家自然科学基金(批准号:91321208)资助的课题.

摘要: 近年来,超导量子计算的研究有了很大的进展.本文首先介绍了nSQUID新型超导量子比特的制备和研究进展,包括器件的平面多层膜制备工艺和量子相干性的研究.这类器件在量子态的传输速度和二维势系统的基础物理问题研究方面有着很大的优越性.其次,国际上新近发展的平面形式的transmon和Xmon超导量子比特具有更长的量子相干时间,在器件的设计和耦合方面也有相当的灵活性.本文介绍了我们和浙江大学与中国科学技术大学等单位合作逐步完善的这种形式的Xmon器件的制备工艺、制备出的多种耦合量子比特芯片,以及参与合作,在国际上首次完成的多达10个超导量子比特的量子态纠缠、线性方程组量子算法的实现和多体局域态等固体物理问题的量子模拟.最后介绍了基于这些超导量子比特器件开展的大量的量子物理、非线性物理和量子光学方面的研究,包括在Autler-Townes劈裂、电磁诱导透明、受激拉曼绝热通道、循环跃迁和关联激光等方面形成的一整套系统和独特的研究成果.

English Abstract

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