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  • Letter
  • Open Access

Compiling arbitrary single-qubit gates via the phase shifts of microwave pulses

Jianxin Chen, Dawei Ding, and Cupjin Huang

Qi Ye

  • Alibaba Quantum Laboratory, Alibaba Group USA, Bellevue, Washington 98004, USA

  • Alibaba Quantum Laboratory, Alibaba Group, Hangzhou, Zhejiang 311121, People's Republic of China and Institute for Interdisciplinary Information Sciences, Tsinghua University, Beijing 100084, People's Republic of China

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Phys. Rev. Research 5, L022031 – Published 12 May, 2023

DOI: https://doi.org/10.1103/PhysRevResearch.5.L022031

Abstract

We give an arbitrary single-qubit gate compilation scheme on superconducting processors that takes advantage of tuning the phase shift of microwave pulses to obtain a continuous gate set. This scheme is compatible with any two-qubit gate, and we only need to calibrate the Xπ and Xπ/2 pulses. We report an experimental implementation on a fluxonium device in [Phys. Rev. Lett. 130, 070601 (2023)] and obtain state-of-the-art fidelities. We give two other schemes: the first requires one Xπ pulse and one pulse with a variable rotation angle, and the second requires four Xπ/2 pulses. We also find that if we can do virtual Z gates, then we can also do virtual gates around any axis. Our results apply to any physical platform that natively supports virtual Z.

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References (30)

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Outline

Information

Phys. Rev. Research 5, L022031– Published 12 May, 2023
  • Received 23 June 2022
  • Revised 29 September 2022
  • Accepted 24 April 2023
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