许凯
简介：
许凯，男，1990年生，湖南岳阳人。2012年6月本科毕业于中南大学；2018年6月在浙江大学获得博士学位；2018年7月加入中科院物理所固态量子信息与计算实验室Q03组，任副研究员；2020年晋升博士生导师，入选中国科学院青年创新促进会；2022年入选北京市科技新星；2023年获国家基金委优青。
主要研究方向：
超导量子计算，量子模拟。发展多量子比特调控技术，并开展量子模拟和量子算法实验研究，
过去的主要工作及获得的成果：
主要成果集中在多体纠缠态制备和表征、多体系统量子模拟、量子逻辑门和量子云平台构建等方面，具体包括：2017 年实现 10 个超导量子比特多体纠缠，创造了当时固态系统多粒子纠缠世界纪录；2019 年继续实现 20 量子比特多组分薛定谔猫态，继续刷新多粒子纠缠世界纪录；2022 年实现逼近海森堡极限的非高斯纠缠态制备和表征，获得领先的量子计量优势。2018 年实现 10 超导量子比特多体局域化模拟；2020 年利用 16 个超导量子比特实现动力学相变的量子模拟。2022年首次在超导电路系统中实现非阿贝尔几何相位的受控非门；参与Quafu量子计算云平台开发，负责实验后端搭建和对接。目前，以一作或通讯（含并列）在Science (1)，Physical Review Letters (5)， Nature Communications (3)，Science Advances (1)，Optica (1)， npj quantum information (2)等高水平期刊发表论文十余篇。
代表性论文及专利：
（*: 通讯作者, #: 同等贡献）
24. Cheng-Lin Deng#, Yu Liu#, Yu-Ran Zhang#, Xue-Gang Li, Tao Liu, Chi-Tong Chen, Tong Liu, Cong-Wei Lu, Yong-Yi Wang, Tian-Ming Li, Cai-Ping Fang, Si-Yun Zhou, Jia-Cheng Song, Yue-Shan Xu, Yang He, Zheng-He Liu, Kai-Xuan Huang, Zhong-Cheng Xiang, Jie-Ci Wang, Dong-Ning Zheng, Guang-Ming Xue, Kai Xu*, H. F. Yu*, Heng Fan*, High-order topological pumping on a superconducting quantum simulator, Physical Review Letters 133, 140402(2024),
23. Yun-Hao Shi#, Zheng-Hang Sun#, Yong-Yi Wang#, Zheng-An Wang, Yu-Ran Zhang, Wei-Guo Ma, Hao-Tian Liu, Kui Zhao, Jia-Cheng Song, Gui-Han Liang, Zheng-Yang Mei, Jia-Chi Zhang, Hao Li, Chi-Tong Chen, Xiaohui Song, Jieci Wang, Guangming Xue, Haifeng Yu, Kaixuan Huang*, Zhongcheng Xiang*, Kai Xu*, Dongning Zheng, Heng Fan*, Probing spin hydrodynamics on a superconducting quantum simulator, Nature Communications 15, 7573 (2024),
22. Gui-Han Liang#, Xiao-Hui Song#, Cheng-Lin Deng#, Xu-Yang Gu, Yu Yan, Zheng-Yang Mei, Si-Lu Zhao, Yi-Zhou Bu, Yong-Xi Xiao, Yi-Han Yu, Ming-Chuan Wang, Tong Liu, Yun-Hao Shi, He Zhang, Xiang Li, Li Li, Jing-Zhe Wang, Ye Tian, Shi-Ping Zhao, Kai Xu*, Heng Fan*, Zhong-Cheng Xiang*, Dong-Ning Zheng*, Tunable-coupling architectures with capacitively connecting pads for large-scale superconducting multiqubit processors, Physical Review Applied 20, 044028 (2023),
22. Zhong-Cheng Xiang#, Kaixuan Huang#, Yu-Ran Zhang#, Tao Liu, Yun-Hao Shi, Cheng-Lin Deng, Tong Liu, Hao Li, Gui-Han Liang, Zheng-Yang Mei, Haifeng Yu, Guangming Xue, Ye Tian, Xiaohui Song, Zhi-Bo Liu, Kai Xu*, Dongning Zheng, Franco Nori*, Heng Fan*, Simulating Chern insulators on a superconducting quantum processor, Nature Communications 14, 5433 (2023),
21. Yun-Hao Shi#, Yu Liu#, Yu-Ran Zhang#, Zhongcheng Xiang#, Kaixuan Huang, Tao Liu, Yong-Yi Wang, Jia-Chi Zhang, Cheng-Lin Deng, Gui-Han Liang, Zheng-Yang Mei, Hao Li, Tian-Ming Li, Wei-Guo Ma, Hao-Tian Liu, Chi-Tong Chen, Tong Liu, Ye Tian, Xiaohui Song, S. P. Zhao, Kai Xu*, Dongning Zheng*, Franco Nori*, Heng Fan*, Quantum simulation of topological zero modes on a 41-qubit superconducting processor, Physical Review Letters 131, 080401 (2023),
20. Yun-Hao Shi#, Run-Qiu Yang#, ZhongchengXiang#, Zi-Yong Ge, Hao Li, Yong-Yi Wang, Kaixuan Huang, Ye Tian, Xiaohui Song, Dongning Zheng*, Kai Xu*, Rong-Gen Cai*, Heng Fan*, Quantum simulation of Hawking radiation and curved spacetime with a superconducting on-chip black hole, Nature Communications 14, 3263 (2023).
19. Tong Liu, Shang Liu, Hekang Li, Hao Li, Kaixuan Huang, Zhongcheng Xiang, Xiaohui Song, Kai Xu*, Dongning Zheng*, Heng Fan*, Observation of entanglement negativity transition of pseudo-random mixed states, Nature Communications 14, 1971 (2023).
18. Hao Li#, Yong-Yi Wang#, Yun-Hao Shi, Kaixuan Huang, Xiaohui Song, Gui-Han Liang, Zheng-Yang Mei, Bozhen Zhou, He Zhang, Jia-Chi Zhang, Shu Chen, Shiping Zhao, Ye Tian, Zhan-Ying Yang, Zhongcheng Xiang, Kai Xu*, Dongning Zheng*, Heng Fan*, Observation of critical phase transition in a generalized Aubry-André-Harper model on a superconducting quantum processor with tunable couplers, npj Quantum Information 9, 40 (2023).
17. Kaixuan Huang, Xiaoxia Cai, Hao Li, Zi-Yong Ge, Ruijuan Hou, Hekang Li, Tong Liu, Yunhao Shi, Chitong Chen, Dongning Zheng, Kai Xu*, Zhi-Bo Liu*, Zhendong Li*, Heng Fan*, and Wei-Hai Fang, Variational Quantum Computation of Molecular Linear Response Properties on a Superconducting Quantum Processor, The Journal of Physical Chemistry Letters 13, 9114 (2022).
16. Chi-Tong Chen, Yun-Hao Shi, Zhongcheng Xiang, Zheng-An Wang, Tian-Ming Li, Hao-Yu Sun, Tian-Shen He, Xiaohui Song, Shiping Zhao, Dongning Zheng, Kai Xu*, Heng Fan*, ScQ cloud quantum computation for generating Greenberger-Horne-Zeilinger states of up to 10 qubits, Science China – Phys. Mech. & Astron. 65, 110362 (2022).
15. Kai Xu#, Yu-Ran Zhang#, Zheng-Hang Sun#, Hekang Li, Pengtao Song, Zhongcheng Xiang, Kaixuan Huang, Hao Li, Yun-Hao Shi, Chi-Tong Chen, Xiaohui Song, Dongning Zheng, Franco Nori*, H. Wang*, and Heng Fan*, Metrological characterization of non-Gaussian entangled states of superconducting qubits, Physical Review Letters 128, 150501 (2022).
14. Kai Xu, Wen Ning, Xin-Jie Huang, Pei-Rong Han, Hekang Li, Zhen-Biao Yang, Dongning Zheng, Heng Fan, and Shi-Biao Zheng, Demonstration of a non-Abelian geometric controlled-NOT gate in a superconducting circuit, Optica 8, 972-976 (2021).
13. Zhen-Biao Yang, Pei-Rong Han, Xin-Jie Huang, Wen Ning, Hekang Li, Kai Xu*, Dongning Zheng, Heng Fan* & Shi-Biao Zheng*, Experimental demonstration of entanglement-enabled universal quantum cloning in a circuit, npj Quantum Information 7: 44 (2021).
12. Kai Xu#, Zheng-Hang Sun#, Wuxin Liu#, Yu-Ran Zhang, Hekang Li, Hang Dong, Wenhui Ren, Pengfei Zhang, Franco Nori, Dongning Zheng*, Heng Fan*, H. Wang*, Probing dynamical phase transitions with a superconducting quantum simulator, Science Advances 6, eaba4935 (2020).
11. C. Song#, Kai Xu#, H. K. Li#, Y.-R. Zhang, X. Zhang, W. X. Liu, Q. J. Guo, Z. Wang, W. H. Ren, J. Hao, H. Feng, H. Fan*, D. N. Zheng*, D.-W. Wang, H. Wang*, S.-Y. Zhu, Generation of multicomponent atomic Schrödinger cat states of up to 20 qubits, Science 365, 574 (2019). (SCI高引)
10. W. Ning, X.-J. Huang, P.-R. Han, H. K. Li, H. Deng, Z.-B. Yang*, Z-R. Zhong, Y. Xia, Kai Xu*, D. N. Zheng, and S.-B. Zheng*, Deterministic Entanglement Swapping in a Superconducting Circuit, Physical Review Letters 123, 060502 (2019).
9. Kai Xu#, J. J. Chen#, Y. Zeng, Y. R. Zhang, C. Song, W. X. Liu, Q. J. Guo, P. F. Zhang, D. Xu, H. Deng, K. Q. Huang, H. Wang*, X. B. Zhu*, D. N. Zheng, H. Fan*, Emulating Many-Body Localization with a Superconducting Quantum Processor, Physical Review Letters 120, 050507 (2018). (SCI高引)
8. C. Song#, Kai Xu#, W. X. Liu, C. P. Yang, S. B. Zheng*, H. Deng, Q. W. Xie, K. Q. Huang, Q. J. Guo, L. B. Zhang, P. F. Zhang, D. Xu, D. N. Zheng, X. B. Zhu*, H. Wang*, Y. A. Chen, C. Y. Lu, S. Y. Han, J. W. Pan, 10-Qubit Entanglement and Parallel Logic Operations with a Superconducting Circuit, Physical Review Letters 119, 180511 (2017). (SCI高引，编辑推荐)
7. D. V. Averin*, Kai Xu, Y. P. Zhong, C. Song, H. Wang*, S. Y. Han*, Suppression of Dephasing by Qubit Motion in Superconducting Circuits, Physical Review Letters 116, 010501 (2016).
6. S. B. Zheng*, Y. P. Zhong, Kai Xu, Q. J. Wang, H. Wang, L. T. Shen, C. P. Yang, J. M. Martinis*, A. N. Cleland*, S. Y. Han, Emulating Quantum Delayed-Choice Experiment with a Beam Splitter in a Quantum Superposition, Physical Review Letters 115, 260403 (2015).
5. C. Song, S. B. Zheng*, P. F. Zhang, Kai Xu, L. B. Zhang, Q. J. Guo, W. X. Liu, D. Xu, H. Deng, K. Q. Huang, D. N. Zheng, X. B. Zhu*, H. Wang*, Continuous-variable geometric phase and its manipulation for quantum computation in a superconducting circuit, Nature Communications 8, 1061 (2017).
4. Y. P. Zhong, D. Xu, P. Wang, C. Song, Q. J. Guo, W. X. Liu, Kai Xu, B. X. Xia, C. Y. Lu*, S. Y. Han, J. W. Pan*, H. Wang*, Emulating Anyonic Fractional Statistical Behavior in a Superconducting Quantum Circuit, Physical Review Letters 117, 110501 (2016).
3. C. Song, D. Xu, P. F. Zhang, J. W. Wang, Q. J. Guo, W. X. Liu, Kai Xu, H. Deng, K. Q. Huang, D. N. Zheng, S.-B. Zheng, H. Wang*, X. B. Zhu*, C.-Y. Lu*, and J.-W. Pan. Demonstration of Topological Robustness of Anyonic Braiding Statistics with a Superconducting Quantum Circuit, Physical Review Letters 121, 030502 (2018).
2. T. X. Yan#, B.-J. Liu#, Kai Xu, C. Song, S. Liu, Z. S. Zhang, H. Deng, Z. G. Yan, H. Rong, K. Q. Huang, M.-H. Yung*, Y. Z. Chen*, and D. P. Yu, Experimental Realization of Nonadiabatic Shortcut to Non-Abelian Geometric Gates, Physical Review Letters 122, 080501 (2019).
1. Kai Xu#, X. Y. LinPeng#, Z. L. Wang*. Decoherence suppression combining quantum uncollapsing and dynamical decoupling. Applied Physics Letters 104, 263509 (2014).
目前的研究课题及展望：
目前负责国家自然科学基金委青年基金项目（已结题），基金委重大研究计划培育项目，基金委优青项目，北京市基金委重点专项（课题负责人），同时作为骨干人员参与基金委重点项目以及中科院先导项目。
培养研究生情况：
每年拟和范桁老师合作培养研究生3-4名，欢迎对超导量子计算感兴趣的同学加入。
电话：
010-82649634
Email：