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  Engineering Fast High-Fidelity Quantum Operations With Constrained Interactions

Figueiredo Roque, T., Clerk, A. A., & Ribeiro, H. (2021). Engineering Fast High-Fidelity Quantum Operations With Constrained Interactions. npj Quantum Information, 7: 28. doi:10.1038/s41534-020-00349-z.

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 Creators:
Figueiredo Roque, Thales1, Author
Clerk, Aashish A2, Author
Ribeiro, Hugo1, Author           
Affiliations:
1Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2421700              
2Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, U.S.A, ou_persistent22              

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 Abstract: Understanding how to tailor quantum dynamics to achieve a desired evolution is a crucial problemin almost all quantum technologies. We present a very general method for designing high-efficiencycontrol sequences that are always fully compatible with experimental constraints on available inter-actions and their tunability. Our approach reduces in the end to finding control fields by solvinga set of time-independent linear equations. We illustrate our method by applying it to a numberof physically-relevant problems: the strong-driving limit of a two-level system, fast squeezing in aparametrically driven cavity, the leakage problem in transmon qubit gates, and the acceleration ofSNAP gates in a qubit-cavity system.

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Language(s): eng - English
 Dates: 2021-02-08
 Publication Status: Published online
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 Identifiers: DOI: 10.1038/s41534-020-00349-z
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Title: npj Quantum Information
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Source Genre: Journal
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Publ. Info: Nature Publishing Group
Pages: - Volume / Issue: 7 Sequence Number: 28 Start / End Page: - Identifier: -