Direct observation of ion micromotion in a linear Paul trap

Zhukas, Liudmila A.; Millican, Maverick J.; Svihra, Peter; Nomerotski, Andrei; Blinov, Boris B.

doi:10.1103/physreva.103.023105

Direct observation of ion micromotion in a linear Paul trap

Journal Article · Wed Feb 10 23:00:00 EST 2021 · Physical Review A

DOI:https://doi.org/10.1103/physreva.103.023105· OSTI ID:1772729

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Univ. of Washington, Seattle, WA (United States)
Czech Technical Univ., Prague (Czech Republic); Univ. of Manchester (United Kingdom)
Brookhaven National Lab. (BNL), Upton, NY (United States)

In this paper, the first direct observation of micromotion for multiple ions in a laser-cooled trapped ion crystal is discussed along with a novel measurement technique for micromotion amplitude. Micromotion is directly observed using a time-resolving, single-photon sensitive camera that provides both fluorescence and position data for each ion on the nanosecond time scale. Micromotion amplitude and phase for each ion in the crystal is measured which allows this method to be sensitive to tilts and shifts of the ion chain from the null of the radiofrequency quadrupole potential in the linear trap. Spatial resolution makes this micromotion detection technique suitable for complex ion configurations, including two-dimensional geometries. It does not require any additional equipment or laser beams, and the modulation of the cooling lasers or trap voltages is not necessary for detection, as it is in other methods.

View Accepted Manuscript (DOE)

Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Grant/Contract Number:: SC0012704

OSTI ID:: 1772729

Report Number(s):: BNL--221155-2021-JAAM

Journal Information:: Physical Review A, Journal Name: Physical Review A Journal Issue: 2 Vol. 103; ISSN 2469-9926

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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