Surface Code Stabilizer Measurements for Rydberg Atoms

Fuente: arXiv
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Auteurs principaux: Jandura, Sven, Pecorari, Laura, Pupillo, Guido
Format: Preprint
Publié: 2024
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author Jandura, Sven
Pecorari, Laura
Pupillo, Guido
author_facet Jandura, Sven
Pecorari, Laura
Pupillo, Guido
contents We consider stabilizer measurements for surface codes with neutral atoms and identify gate protocols that minimize logical error rates in the presence of a fundamental error source -- spontaneous emission from Rydberg states. We demonstrate that logical error rates are minimized by protocols that prevent the propagation of Rydberg leakage errors and not by protocols that minimize the physical two-qubit error rate. We provide laser-pulse-level gate protocols to counter these errors. These protocols significantly reduce the logical error rate for implementations of surface codes involving one or two species of atoms. Our work demonstrates the importance of optimizing quantum gates for logical errors in addition to gate fidelities and opens the way to the efficient realization of surface codes with neutral atoms.
format Preprint
id arxiv_https___arxiv_org_abs_2405_16621
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Surface Code Stabilizer Measurements for Rydberg Atoms
Jandura, Sven
Pecorari, Laura
Pupillo, Guido
Quantum Physics
We consider stabilizer measurements for surface codes with neutral atoms and identify gate protocols that minimize logical error rates in the presence of a fundamental error source -- spontaneous emission from Rydberg states. We demonstrate that logical error rates are minimized by protocols that prevent the propagation of Rydberg leakage errors and not by protocols that minimize the physical two-qubit error rate. We provide laser-pulse-level gate protocols to counter these errors. These protocols significantly reduce the logical error rate for implementations of surface codes involving one or two species of atoms. Our work demonstrates the importance of optimizing quantum gates for logical errors in addition to gate fidelities and opens the way to the efficient realization of surface codes with neutral atoms.
title Surface Code Stabilizer Measurements for Rydberg Atoms
topic Quantum Physics
url https://arxiv.org/abs/2405.16621