Xu Yifang

Superconducting quantum computation and quantum information

Education Background

2016.09-2020.07 Bachelor in Physics, School of Physics, Peking University.

2020.09-2025.12 PhD in Physics, IIIS, Tsinghua University.

Academic Interests

Superconducting Quantum Computation (SQC), Circuit Quantum Electrodynamics (CQED), Large Fock states, Superconducting Cat Qubit, Bosonic Quantum Error Correction (QEC)


Selected Publications

[1] Yifang Xu#, Yilong Zhou#, Ziyue Hua#, Lida Sun, Jie Zhou, Weiting Wang, Weizhou Cai, Hongwei Huang, Lintao Xiao, Guangming Xue, Haifeng Yu, Ming Li*, Chang-Ling Zou*, and Luyan Sun*, "Principles of Optics in the Fock Space: Scalable Manipulation of Giant Quantum States", In submission (2026).

[2] Yifang Xu#, Ziyue Hua#, Weiting Wang*, Yuwei Ma, Ming Li, Jiajun Chen, Jie Zhou, Xiaoxuan Pan, Lintao Xiao, Hongwei Huang, Weizhou Cai, Hao Ai, Yu-xi Liu, Chang-Ling Zou*, and Luyan Sun*, "Dynamic compensation for pump-induced frequency shift in Kerr-cat qubit initialization", Phys. Rev. Appl. 23 (3), 034060 (2025).

[3] Ziyue Hua#, Yifang Xu#, Weiting Wang, Yuwei Ma, Jie Zhou, Weizhou Cai, Hao Ai, Yu-xi Liu, Ming Li*, Chang-Ling Zou*, and Luyan Sun*, "Engineering the Nonlinearity of Bosonic Modes with a Multi-loop SQUID", Phys. Rev. Appl. 23 (5), 054031 (2025).

[4] Lida Sun#, Yifang Xu#, Yilong Zhou#, Ziyue Hua, Weiting Wang, Jie Zhou, Zi-jie Chen, Lui Zuccherelli de Paula, Qing-Xuan Jie, Guangming Xue, Haifeng Yu*, Weizhou Cai*, Chang-Ling Zou*, and Luyan Sun*, “Extending coherence time beyond break-even point using only drives and dissipation,” arXiv:2509.22191 (2025). In submission.

[5] Yifang Xu#, Yilong Zhou#, Lida Sun#, Hongwei Huang, Zi-Jie Chen, Lintao Xiao, Bo Zhang, Chuanlong Ma, Ziyue Hua, Weiting Wang, Guangming Xue, Haifeng Yu, Weizhou Cai*, Chang-Ling Zou*, and Luyan Sun*, "High-Fidelity Controlled-Phase Gate for Binomial Codes via Geometric Phase Engineering," arXiv:2511.06354 (2025). In submission.


Awards

Outstanding graduate from Peking University, 2020

Outstanding Graduate of Beijing, 2025


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