Journal
APPLIED PHYSICS B-LASERS AND OPTICS
Volume 107, Issue 4, Pages 913-919Publisher
SPRINGER
DOI: 10.1007/s00340-011-4788-5
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Funding
- EPSRC
- IARPA
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
- EPSRC [EP/E036066/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E036066/1] Funding Source: researchfish
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We characterise the performance of a surface-electrode ion chip trap fabricated using established semiconductor integrated circuit and micro-electro-mechanical-system (MEMS) microfabrication processes, which are in principle scalable to much larger ion trap arrays, as proposed for implementing ion trap quantum information processing. We measure rf ion micromotion parallel and perpendicular to the plane of the trap electrodes, and find that on-package capacitors reduce this to a parts per thousand(2)10 nm in amplitude. We also measure ion trapping lifetime, charging effects due to laser light incident on the trap electrodes, and the heating rate for a single trapped ion. The performance of this trap is found to be comparable with others of the same size scale.
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