Characterizing large-scale quantum computers via cycle benchmarking

Alexander Erhard; Joel J. Wallman; Lukas Postler; Michael Meth; Roman Stricker; Esteban A. Martinez; Philipp Schindler; Thomas Monz; Joseph Emerson; Rainer Blatt

doi:10.1038/s41467-019-13068-7

Nature Communications (Nov 2019)

Characterizing large-scale quantum computers via cycle benchmarking

Alexander Erhard,
Joel J. Wallman,
Lukas Postler,
Michael Meth,
Roman Stricker,
Esteban A. Martinez,
Philipp Schindler,
Thomas Monz,
Joseph Emerson,
Rainer Blatt

Affiliations

Alexander Erhard: Institute for Experimental Physics, University of Innsbruck
Joel J. Wallman: Institute for Quantum Computing and Department of Applied Mathematics, University of Waterloo
Lukas Postler: Institute for Experimental Physics, University of Innsbruck
Michael Meth: Institute for Experimental Physics, University of Innsbruck
Roman Stricker: Institute for Experimental Physics, University of Innsbruck
Esteban A. Martinez: Institute for Experimental Physics, University of Innsbruck
Philipp Schindler: Institute for Experimental Physics, University of Innsbruck
Thomas Monz: Institute for Experimental Physics, University of Innsbruck
Joseph Emerson: Institute for Quantum Computing and Department of Applied Mathematics, University of Waterloo
Rainer Blatt: Institute for Experimental Physics, University of Innsbruck

DOI: https://doi.org/10.1038/s41467-019-13068-7
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 7

Abstract

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Checking the quality of operations of quantum computers in a reliable and scalable way is still an open challenge. Here, the authors show how to characterise multi-qubit operations in a way that scales favourably with the system’s size, and demonstrate it on a 10-qubit ion-trap device.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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