Power-optimal, stabilized entangling gate between trapped-ion qubits

Abstract To achieve scalable quantum computing, improving entangling-gate fidelity and its implementation efficiency are of utmost importance. We present here a linear method to construct provably power-optimal entangling gates on an arbitrary pair of qubits on a trapped-ion quantum computer. This m...

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Autores principales:	Reinhold Blümel, Nikodem Grzesiak, Neal Pisenti, Kenneth Wright, Yunseong Nam
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
Acceso en línea:	https://doaj.org/article/fbff842042054825a38688a3114c9c28
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spelling	oai:doaj.org-article:fbff842042054825a38688a3114c9c282021-12-02T17:13:16ZPower-optimal, stabilized entangling gate between trapped-ion qubits10.1038/s41534-021-00489-w2056-6387https://doaj.org/article/fbff842042054825a38688a3114c9c282021-10-01T00:00:00Zhttps://doi.org/10.1038/s41534-021-00489-whttps://doaj.org/toc/2056-6387Abstract To achieve scalable quantum computing, improving entangling-gate fidelity and its implementation efficiency are of utmost importance. We present here a linear method to construct provably power-optimal entangling gates on an arbitrary pair of qubits on a trapped-ion quantum computer. This method leverages simultaneous modulation of amplitude, frequency, and phase of the beams that illuminate the ions and, unlike the state of the art, does not require any search in the parameter space. The linear method is extensible, enabling stabilization against external parameter fluctuations to an arbitrary order at a cost linear in the order. We implement and demonstrate the power-optimal, stabilized gate on a trapped-ion quantum computer.Reinhold BlümelNikodem GrzesiakNeal PisentiKenneth WrightYunseong NamNature PortfolioarticlePhysicsQC1-999Electronic computers. Computer scienceQA75.5-76.95ENnpj Quantum Information, Vol 7, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95
spellingShingle	Physics QC1-999 Electronic computers. Computer science QA75.5-76.95 Reinhold Blümel Nikodem Grzesiak Neal Pisenti Kenneth Wright Yunseong Nam Power-optimal, stabilized entangling gate between trapped-ion qubits
description	Abstract To achieve scalable quantum computing, improving entangling-gate fidelity and its implementation efficiency are of utmost importance. We present here a linear method to construct provably power-optimal entangling gates on an arbitrary pair of qubits on a trapped-ion quantum computer. This method leverages simultaneous modulation of amplitude, frequency, and phase of the beams that illuminate the ions and, unlike the state of the art, does not require any search in the parameter space. The linear method is extensible, enabling stabilization against external parameter fluctuations to an arbitrary order at a cost linear in the order. We implement and demonstrate the power-optimal, stabilized gate on a trapped-ion quantum computer.
format	article
author	Reinhold Blümel Nikodem Grzesiak Neal Pisenti Kenneth Wright Yunseong Nam
author_facet	Reinhold Blümel Nikodem Grzesiak Neal Pisenti Kenneth Wright Yunseong Nam
author_sort	Reinhold Blümel
title	Power-optimal, stabilized entangling gate between trapped-ion qubits
title_short	Power-optimal, stabilized entangling gate between trapped-ion qubits
title_full	Power-optimal, stabilized entangling gate between trapped-ion qubits
title_fullStr	Power-optimal, stabilized entangling gate between trapped-ion qubits
title_full_unstemmed	Power-optimal, stabilized entangling gate between trapped-ion qubits
title_sort	power-optimal, stabilized entangling gate between trapped-ion qubits
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fbff842042054825a38688a3114c9c28
work_keys_str_mv	AT reinholdblumel poweroptimalstabilizedentanglinggatebetweentrappedionqubits AT nikodemgrzesiak poweroptimalstabilizedentanglinggatebetweentrappedionqubits AT nealpisenti poweroptimalstabilizedentanglinggatebetweentrappedionqubits AT kennethwright poweroptimalstabilizedentanglinggatebetweentrappedionqubits AT yunseongnam poweroptimalstabilizedentanglinggatebetweentrappedionqubits
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Power-optimal, stabilized entangling gate between trapped-ion qubits

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