Towards high-fidelity quantum operations with fluxonium qubits: Part II-experimental progress

ORAL

Abstract

Superconducting quantum circuits, controlled and readout by using RF electronics, have demonstrated the potential to outperform classical computers. The state-of-art multi-qubit superconducting circuits are capable of performing two-qubit gates with infidelity less than 1%. To further improve the precision of superconducting quantum processors, qubits with longer coherence times and larger anharmonicities are desirable. Fluxonium, created by introducing a large linear inductance, is a promising candidate for the next generation quantum processors. In this talk, we present the experimental progresses on developing fluxonium quantum processors. The fabrication process and measurement results on qubit operations and readout are discussed.

Presenters

  • Hsiang-Sheng Ku

    • Alibaba Quantum Laboratory, Alibaba Group

Authors

  • Hsiang-Sheng Ku

    • Alibaba Quantum Laboratory, Alibaba Group
  • Gengyan Zhang

    • Alibaba Quantum Laboratory, Alibaba Group
  • Tenghui Wang

    • Alibaba Quantum Laboratory, Alibaba Group
  • Wenlong Yu

    • Alibaba Quantum Laboratory, Alibaba Group
  • Hao Deng

    • Alibaba Quantum Laboratory, Alibaba Group
  • Jingwei Zhou

    • Alibaba Quantum Laboratory, Alibaba Group
  • Yingshan Zhang

    • Alibaba Quantum Laboratory, Alibaba Group
  • Hantao Sun

    • Alibaba Quantum Laboratory, Alibaba Group
  • Zhijun Song

    • Alibaba Quantum Laboratory, Alibaba Group
  • Xiaohang Zhang

    • Alibaba Quantum Laboratory, Alibaba Group
  • Chengchun Tang

    • Alibaba Quantum Laboratory, Alibaba Group
  • Ran Gao

    • Alibaba Quantum Laboratory, Alibaba Group
  • Hua Xu

    • Alibaba Quantum Laboratory, Alibaba Group
  • Zhisheng Li

    • Alibaba Quantum Laboratory, Alibaba Group
  • Jin Qin

    • Alibaba Quantum Laboratory, Alibaba Group
  • Xun Jiang

    • Alibaba Quantum Laboratory, Alibaba Group
  • Xing Zhu

    • Alibaba Quantum Laboratory, Alibaba Group
  • Huihai Zhao

    • Alibaba Quantum Laboratory, Alibaba Group
  • Feng Wu

    • Alibaba Quantum Laboratory, Alibaba Group
  • Dawei Ding

    • Alibaba Quantum Laboratory, Alibaba Group
  • Chunqing Deng

    • Alibaba Quantum Laboratory, Alibaba Group