Fast, Universal Scheme for Calibrating Microwave Crosstalk in Superconducting Circuits

Xiao-Yan Yang; Hai-Feng Zhang; Peng Duan; Lei Du; Hao-Ran Tao; Liang-Liang Guo; Tian-Le Wang; Zhi-Long Jia; Wei-Cheng Kong; Guo-Ping Guo

doi:10.20944/preprints202403.1706.v1

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preprints.org > physical sciences > quantum science and technology > doi: 10.20944/preprints202403.1706.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Fast, Universal Scheme for Calibrating Microwave Crosstalk in Superconducting Circuits

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Version 1 : Received: 27 March 2024 / Approved: 28 March 2024 / Online: 28 March 2024 (09:43:44 CET)
Version 2 : Received: 19 April 2024 / Approved: 22 April 2024 / Online: 23 April 2024 (12:47:32 CEST)

How to cite: Yang, X.; Zhang, H.; Duan, P.; Du, L.; Tao, H.; Guo, L.; Wang, T.; Jia, Z.; Kong, W.; Guo, G. Fast, Universal Scheme for Calibrating Microwave Crosstalk in Superconducting Circuits. Preprints 2024, 2024031706. https://doi.org/10.20944/preprints202403.1706.v1 Yang, X.; Zhang, H.; Duan, P.; Du, L.; Tao, H.; Guo, L.; Wang, T.; Jia, Z.; Kong, W.; Guo, G. Fast, Universal Scheme for Calibrating Microwave Crosstalk in Superconducting Circuits. Preprints 2024, 2024031706. https://doi.org/10.20944/preprints202403.1706.v1

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MDPI and ACS Style

Yang, X.; Zhang, H.; Duan, P.; Du, L.; Tao, H.; Guo, L.; Wang, T.; Jia, Z.; Kong, W.; Guo, G. Fast, Universal Scheme for Calibrating Microwave Crosstalk in Superconducting Circuits. Preprints 2024, 2024031706. https://doi.org/10.20944/preprints202403.1706.v1

APA Style

Yang, X., Zhang, H., Duan, P., Du, L., Tao, H., Guo, L., Wang, T., Jia, Z., Kong, W., & Guo, G. (2024). Fast, Universal Scheme for Calibrating Microwave Crosstalk in Superconducting Circuits. Preprints. https://doi.org/10.20944/preprints202403.1706.v1

Chicago/Turabian Style

Yang, X., Wei-Cheng Kong and Guo-Ping Guo. 2024 "Fast, Universal Scheme for Calibrating Microwave Crosstalk in Superconducting Circuits" Preprints. https://doi.org/10.20944/preprints202403.1706.v1

Abstract

A challenge in building large-scale superconducting quantum processors is the precise control and manipulation of the qubit state. However, the crosstalk between the microwave control lines impedes the parallel execution of high-fidelity digital and analog quantum operations. Here, we propose and demonstrate a universal compensation protocol for calibrating the microwave signal crosstalk. We also introduce amplified error sequences to optimize the accuracy. Furthermore, we show a definitive improvement in parallel gate operations with crosstalk cancellation, demonstrating the technique's effectiveness. This work paves the way for superconducting hardware that features automated calibration of microwave crosstalk, leading to enhanced fidelities in multiqubit circuits.

Keywords

quantum computation; microwave crosstalk; superconducting circuit

Subject

Physical Sciences, Quantum Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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