Penning micro-trap for quantum computing
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Date
2024-03-21
Publication Type
Journal Article
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yes
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Abstract
Trapped ions in radio-frequency traps are among the leading approaches for realizing quantum computers, because of high-fidelity quantum gates and long coherence times1,2,3. However, the use of radio-frequencies presents several challenges to scaling, including requiring compatibility of chips with high voltages4, managing power dissipation5 and restricting transport and placement of ions6. Here we realize a micro-fabricated Penning ion trap that removes these restrictions by replacing the radio-frequency field with a 3 T magnetic field. We demonstrate full quantum control of an ion in this setting, as well as the ability to transport the ion arbitrarily in the trapping plane above the chip. This unique feature of the Penning micro-trap approach opens up a modification of the quantum charge-coupled device architecture with improved connectivity and flexibility, facilitating the realization of large-scale trapped-ion quantum computing, quantum simulation and quantum sensing.
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published
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Journal / series
Volume
627 (8004)
Pages / Article No.
510 - 514
Publisher
Nature
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Software
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Date collected
Date created
Subject
Organisational unit
03892 - Home, Jonathan / Home, Jonathan
02205 - FIRST-Lab / FIRST Center for Micro- and Nanoscience
02510 - Institut für Quantenelektronik / Institute for Quantum Electronics
Notes
Funding
818195 - Trapped-ion quantum information in 2-dimensional Penning trap arrays (EC)
820495 - Advanced quantum computing with trapped ions (EC)
801285 - Portable Ion Devices for Mobile-Oriented Next-generation semiconductor Technologies (EC)
820495 - Advanced quantum computing with trapped ions (EC)
801285 - Portable Ion Devices for Mobile-Oriented Next-generation semiconductor Technologies (EC)
Related publications and datasets
Is supplemented by: https://doi.org/10.3929/ethz-b-000627348