European Center for Quantum Sciences and aQCess – Atom Quantum Computing as a Service, Institut de Science et d’Ingénierie Supramoléculaire (UMR 7006), University of Strasbourg and CNRS
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Abstract
A simple scheme is presented for realizing robust optically controlled quantum gates for scalable atomic quantum processors by driving the qubits with optical standing waves. Atoms localized close to the antinodes of the standing wave can realize phase-controlled quantum operations that are potentially more than an order of magnitude less sensitive to the local optical phase and atomic motion than corresponding travelling wave configurations. The scheme is compatible with robust optimal control techniques and spatial qubit addressing in atomic arrays to realize phase controlled operations without the need for tight focusing and precise positioning of the control lasers. This will be particularly beneficial for quantum gates involving Doppler sensitive optical frequency transitions and provides an all optical route to scaling up atomic quantum processors.
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Cited by
[1] Sven Jandura, Jeff D Thompson, and Guido Pupillo, “Optimizing Rydberg Gates for Logical Qubit Performance”, arXiv:2210.06879, (2022).
The above citations are from SAO/NASA ADS (last updated successfully 2023-03-11 00:45:58). The list may be incomplete as not all publishers provide suitable and complete citation data.
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This Paper is published in Quantum under the Creative Commons Attribution 4.0 International (CC BY 4.0) license. Copyright remains with the original copyright holders such as the authors or their institutions.
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