Polloreno, A.
, Rey, A.
and Bollinger, J.
(2022),
Individual qubit addressing of rotating ion crystals in a Penning trap, Physical Review Research, [online], https://doi.org/10.1103/PhysRevResearch.4.033076, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=934120
(Accessed October 17, 2025)
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Individual qubit addressing of rotating ion crystals in a Penning trap
Published
Author(s)
Anthony M. Polloreno, ,
Abstract
Trapped ions boast long coherence times, and excellent gate fidelities, making them a useful platform for quantum information processing. Scaling to larger numbers of ion qubits, potentially solved by photonic interconnects between Paul traps, or by shuttling ions in the QCCD architecture, will demand great effort. Another technique for trapping ions is via a Penning trap where a 2D crystal of ions is formed by controlling the rotation of the ions in the presence of a strong magnetic field. However, the rotation of the ion crystal makes single ion addressability, a capability desirable for general quantum information processing, a challenge. We propose a protocol that takes advantage of a deformable mirror to perform high fi delity individual single ion gates in traps of hundreds of ions. We validate the protocol with numerical simulations.Citation
Physical Review Research
Pub Type
Journals
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Keywords
deformable mirror, trapped-ion quantum information processing, Penning trap, wave front deformations, Zernike polynomials
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Created July 25, 2022, Updated May 10, 2023