Micromotion-synchronized pulsed Doppler cooling of trapped ions

Kato, Alexander; Nomerotski, Andrei; Blinov, Boris B.

doi:10.1103/physreva.107.023116

Micromotion-synchronized pulsed Doppler cooling of trapped ions

Journal Article · Sun Feb 26 23:00:00 EST 2023 · Physical Review A

DOI:https://doi.org/10.1103/physreva.107.023116· OSTI ID:1969904

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University of Washington, Seattle, WA (United States)
Brookhaven National Laboratory (BNL), Upton, NY (United States)

Here we propose and demonstrate a new method for Doppler cooling trapped-ion crystals where the distribution of micromotion amplitudes may be large and uneven. The technique uses pulses of Doppler cooling light synchronized with the trap RF that selectively target ions when their velocity is near a node, leading to more uniform cooling across a crystal by a single tone of cooling light. We lay out a theoretical framework that describes where this technique is practical, and provide a simple experimental demonstration.

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); USDOE Laboratory Directed Research and Development (LDRD) Program; University of Washington

Grant/Contract Number:: SC0012704

OSTI ID:: 1969904

Report Number(s):: BNL-224228-2023-JAAM

Journal Information:: Physical Review A, Journal Name: Physical Review A Journal Issue: 2 Vol. 107; ISSN 2469-9926

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Micromotion-synchronized pulsed Doppler cooling of trapped ions

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