Resolved-sideband micromotion sensing in Yb+ on the 935 nm repump transition

Ions displaced from the potential minimum in an RF Paul trap exhibit excess micromotion. A host of well-established techniques are routinely used to sense (and null) this excessive motion in applications ranging from quantum computing to atomic clocks. The rich atomic structure of Yb+, a heavy ion,...

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Bibliographic Details
Published in:AIP advances 2022-11, Vol.12 (11), p.115315-115315-6
Main Authors: Goham, Connor J. B., Britton, Joseph W.
Format: Article
Language:English
Subjects:
Atomic clocks
Atomic structure
Heavy ions
Ion traps (instrumentation)
Quantum computing
Sidebands
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Summary:Ions displaced from the potential minimum in an RF Paul trap exhibit excess micromotion. A host of well-established techniques are routinely used to sense (and null) this excessive motion in applications ranging from quantum computing to atomic clocks. The rich atomic structure of Yb+, a heavy ion, includes low-lying 2D3/2 states that must be repumped to permit Doppler cooling, typically using a 935 nm laser coupled to the 3D[3/2]1/2 states. In this article, we demonstrate the use of this transition to make resolved-sideband measurements of 3D micromotion in 172Yb+ and 171Yb+ ions. Relative to other sensing techniques, our approach has very low technical overhead and is distinctively compatible with surface-electrode ion traps.
ISSN:2158-3226
2158-3226
DOI:10.1063/5.0128113