Abstract
Trapped atomic ions are the leading candidate to act as individual quantum bits in a large quantum information processing system. Ion traps can be conformed to a two-dimensional surface, which provides a way to increase the number of ions while maintaining the ability to move individual ions in a two-dimensional grid. However, surface traps tend to suffer from shallow trap depths and higher motional heating rates. In this work, we report the design, fabrication, and testing of a simple gold-on-fused-silica ion trap optimized for a deep trapping potential and stable motional modes. The desirable trap characteristics include long lifetime, fully-compensated micromotion, and high secular trap frequencies that were measured using a trapped and cooled 174Yb+ ion. This trap design can be integrated with an optical cavity to enhance the ion-photon coupling.
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Noek, R., Kim, T., Mount, E. et al. Trapping and cooling of 174Yb+ ions in a microfabricated surface trap. Journal of the Korean Physical Society 63, 907–913 (2013). https://doi.org/10.3938/jkps.63.907
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DOI: https://doi.org/10.3938/jkps.63.907