Weiyang Liu
liuwy@baqis.ac.cn
Education
2011-2018 Ph.D. in [Condensed Matter Physics], [Institute of Physics, Chinese Academy of Sciences]
2007-2011 Bachelor's Degree in [Physics], [Jilin University]
Experience
2022-Present Scientist, Hefei National Laboratory
2018-2020 Postdoctoral Fellow, Southern University of Science and Technology
Overview of Academic Research
Liu ’s research interest is the systematic study on quantum computation and quantum simulation, for achieving high-fidelity single- and two-qubit gates.
His major achievements include:
* First Demonstration of Native Arbitrary Two-Qubit Gates in a Superconducting Quantum Processor.
* Single-Qubit Gate Fidelity Exceeding 99.99% in Transmon Qubits
* High-Fidelity SU(2) Operations in Superconducting Qutrits and Qudits.
Research Directions/Fields:
Novel Architectures design for the Superconducting Quantum Chip
High-Fidelity Quantum Gates
Quantum Simulation
Major Honors and Awards
Representative Publications
1.Zhen Chen, Weiyang Liu, Yanjun Ma, Weijie Sun, Ruixia Wang, He Wang, Huikai Xu, Guangming Xue, Haisheng Yan, Zhen Yang, Jiayu Ding, Yang Gao, Feiyu Li, Yujia Zhang, Zikang Zhang, Yirong Jin, Haifeng Yu, Jianxin Chen, Fei Yan. Efficient Implementation of Arbitrary Two-Qubit Gates via Unified Control. arXiv preprint arXiv:2502.03612 (2025).
2.Zhiyuan Li,Pei Liu, Peng Zhao, Zhenyu M, Huikai Xu, Xuehui Liang, Tang Su, Weijie Sun, Guangming Xue, Jing-ning Zhang, Weiyang Liu, Yirong Jin, Haifeng Yu. Error per single-qubit gate below $10^{-4}$ in a superconducting qubit. npj Quantum Information, 9, 111 (2023).
3. Pei Liu, Ruixia Wang, Jing-Ning Zhang, Yingshan Zhang, Xiaoxia Cai, Huikai Xu, Zhiyuan Li, Jiaxiu Han, Xuegang Li, Guangming Xue, Weiyang Liu, Li You, Yirong Jin, Haifeng Yu. Performing SU (d) Operations and Rudimentary Algorithms in a Superconducting Transmon Qudit for d = 3 and d = 4. Physical Review X, 13, 021028 (2023) .
4. Yingshan Zhang, Huikai Xu, Yu Song, Yuqun Xu, Shuang Yang, Ziyue Hua, Shoukuan Zhao, Weiyang Liu, Guangming Xue, Yirong Jin, Haifeng Yu. Traveling-wave parametric amplifier–induced qubit dephasing: analysis and mitigation. Chip, 2, 4 (2023).
5. Ziyu Tao, Tongxing Yan, Weiyang Liu, Jingjing Niu, Yuxuan Zhou, Libo Zhang, Hao Jia, Weiqiang Chen, Song Liu, Yuanzhen Chen, Dapeng Yu. Simulation of a topological phase transition in a Kitaev chain with long-range coupling using a superconducting circuit. Physical Review B, 101, 035109 (2020).