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arXiv · 2007.07950

Vacuum Characterization of a Compact Room-temperature Trapped Ion System

Yuhi Aikyo·Geert Vrijsen·Thomas W. Noel·Alexander Kato·Megan K. Ivory·Jungsang Kim
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Abstract

We present the design and vacuum performance of a compact room-temperature trapped ion system for quantum computing, consisting of a ultra-high vacuum (UHV) package, a micro-fabricated surface trap and a small form-factor ion pump. The system is designed to maximize mechanical stability and robustness by minimizing the system size and weight. The internal volume of the UHV package is only 2 cm$^3$, a significant reduction in comparison with conventional vacuum chambers used in trapped ion experiments. We demonstrate trapping of $^{174}$Yb$^+$ ions in this system and characterize the vacuum level in the UHV package by monitoring both the rates of ion hopping in a double-well potential and ion chain reordering events. The calculated pressure in this vacuum package is about 1.5e-11 Torr, which is sufficient for the majority of current trapped ion experiments.

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Yuhi Aikyo, Geert Vrijsen, Thomas W. Noel, Alexander Kato, Megan K. Ivory, Jungsang Kim. 2020-07-15. Vacuum Characterization of a Compact Room-temperature Trapped Ion System. https://doi.org/10.1063/5.0029236

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