Individual qubit addressing of rotating ion crystals in a Penning trap

Trapped ions boast long coherence times and excellent gate fidelities, making them a useful platform for quantum information processing. Penning traps offer the possibility of trapping large two-dimensional crystals of several hundred ions. The ions are confined by controlling the rotation of the io...

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Main Authors: Anthony M. Polloreno, Ana Maria Rey, John J. Bollinger
Format: Article
Language:English
Published: American Physical Society 2022-07-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.4.033076
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author Anthony M. Polloreno
Ana Maria Rey
John J. Bollinger
author_facet Anthony M. Polloreno
Ana Maria Rey
John J. Bollinger
author_sort Anthony M. Polloreno
collection DOAJ
description Trapped ions boast long coherence times and excellent gate fidelities, making them a useful platform for quantum information processing. Penning traps offer the possibility of trapping large two-dimensional crystals of several hundred ions. The ions are confined by controlling the rotation of the ion crystal in the presence of a strong magnetic field. However, the rotation of the ion crystal makes single ion addressability a significant challenge. We propose a protocol that takes advantage of a deformable mirror to introduce AC Stark shift patterns that are static in the rotating frame of the crystal. Through numerical simulations we validate the potential of this protocol to perform high-fidelity single-ion gates in crystalline arrays of hundreds of ions.
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spelling doaj.art-96ef538e03794835b1b44724371f949a2024-04-12T17:23:05ZengAmerican Physical SocietyPhysical Review Research2643-15642022-07-014303307610.1103/PhysRevResearch.4.033076Individual qubit addressing of rotating ion crystals in a Penning trapAnthony M. PollorenoAna Maria ReyJohn J. BollingerTrapped ions boast long coherence times and excellent gate fidelities, making them a useful platform for quantum information processing. Penning traps offer the possibility of trapping large two-dimensional crystals of several hundred ions. The ions are confined by controlling the rotation of the ion crystal in the presence of a strong magnetic field. However, the rotation of the ion crystal makes single ion addressability a significant challenge. We propose a protocol that takes advantage of a deformable mirror to introduce AC Stark shift patterns that are static in the rotating frame of the crystal. Through numerical simulations we validate the potential of this protocol to perform high-fidelity single-ion gates in crystalline arrays of hundreds of ions.http://doi.org/10.1103/PhysRevResearch.4.033076
spellingShingle Anthony M. Polloreno
Ana Maria Rey
John J. Bollinger
Individual qubit addressing of rotating ion crystals in a Penning trap
Physical Review Research
title Individual qubit addressing of rotating ion crystals in a Penning trap
title_full Individual qubit addressing of rotating ion crystals in a Penning trap
title_fullStr Individual qubit addressing of rotating ion crystals in a Penning trap
title_full_unstemmed Individual qubit addressing of rotating ion crystals in a Penning trap
title_short Individual qubit addressing of rotating ion crystals in a Penning trap
title_sort individual qubit addressing of rotating ion crystals in a penning trap
url http://doi.org/10.1103/PhysRevResearch.4.033076
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