Precise micromotion compensation of a tilted ion chain

Hogle, Craig W.; Burch, Ashlyn Damaris; Sterk, Jonathan David; Chow, Matthew Nickolas Helson; Ivory, Megan Kathleen; Lobser, Daniel S.; Maunz, Peter; Van Der Wall, Jay; Yale, Christopher Gordon; Clark, Susan M.; Stick, Daniel Lynn; Revelle, Melissa C.

doi:10.3389/frqst.2024.1352800

Precise micromotion compensation of a tilted ion chain

Journal Article · Mon Apr 22 00:00:00 EDT 2024 · Frontiers in Quantum Science and Technology

DOI:https://doi.org/10.3389/frqst.2024.1352800· OSTI ID:2320343

Hogle, Craig W. ^[1]; Burch, Ashlyn Damaris ^[1]; Sterk, Jonathan David ^[1]; Chow, Matthew Nickolas Helson ^[1]; Ivory, Megan Kathleen ^[1]; Lobser, Daniel S. ^[1]; Maunz, Peter ^[1]; Van Der Wall, Jay ^[1]; Yale, Christopher Gordon ^[1]; Clark, Susan M. ^[1]; Stick, Daniel Lynn ^[1]; Revelle, Melissa C. ^[1]

Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Excess micromotion can be a substantial source of errors in trapped-ion based quantum processors and clocks due to the sensitivity of the internal states of the ion to external fields and motion. This problem can be fixed by compensating background electric fields in order to position ions at the RF node and minimize their driven micromotion. Here we describe techniques for compensating ion chains in scalable surface ion traps. These traps are capable of cancelling stray electric fields with fine spatial resolution in order to compensate multiple closely spaced ions due to their large number of relatively small control electrodes. We demonstrate a technique that compensates an ion chain to better than 5 V/m and within 0.1 degrees of chain rotation.

View Accepted Manuscript (DOE)

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0003525

OSTI ID:: 2320343

Report Number(s):: SAND--2024-02760J

Journal Information:: Frontiers in Quantum Science and Technology, Journal Name: Frontiers in Quantum Science and Technology Vol. 3; ISSN 2813-2181

Publisher:: Frontiers Media S. A.Copyright Statement

Country of Publication:: United States

Language:: English

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71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
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qubits
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Precise micromotion compensation of a tilted ion chain

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