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Superconducting Qubits Quantum Simulation

Disentangling the sources of ionizing radiation in superconducting qubits

arXiv

Authors: L. Cardani, I. Colantoni, A. Cruciani, F. De Dominicis, G. D'Imperio, M. Laubenstein, A. Mariani, L. Pagnanini, S. Pirro, C. Tomei, N. Casali, F. Ferroni, D. Frolov, L. Gironi, A. Grassellino, M. Junker, C. Kopas, E. Lachman, C. R. H. McRae, J. Mutus, M. Nastasi, D. P. Pappas, R. Pilipenko, M. Sisti, V. Pettinacci, A. Romanenko, D. Van Zanten, M. Vignati, J. D. Withrow, N. Z. Zhelev

Year

2022

Paper ID

6528

Status

Preprint

Abstract Read

~2 min

Abstract Words

104

Citations

N/A

Abstract

Radioactivity was recently discovered as a source of decoherence and correlated errors for the real-world implementation of superconducting quantum processors. In this work, we measure levels of radioactivity present in a typical laboratory environment (from muons, neutrons, and gamma's emitted by naturally occurring radioactive isotopes) and in the most commonly used materials for the assembly and operation of state-of-the-art superconducting qubits. We develop a GEANT-4 based simulation to predict the rate of impacts and the amount of energy released in a qubit chip from each of the mentioned sources. We finally propose mitigation strategies for the operation of next-generation qubits in a radio-pure environment.

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This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
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Radioactivity was recently discovered as a source of decoherence and correlated errors for the real-world implementation of superconducting quantum processors.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2211.13597 [2] arXiv https://arxiv.org/abs/2211.13597 [3] Publisher https://arxiv.org/abs/2211.13597

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