Vacuum Characterization of a Compact Room-temperature Trapped Ion System

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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Cited by in corpus (4)

• Engineering the Quantum Scientific Computing Open User Testbed (QSCOUT): Design details and user guide
• Trapped particle evolution driven by residual gas collisions
• Domain formation and structural stabilities in mixed-species Coulomb crystals induced by sympathetically cooled highly charged ions
• Long-lived metastable states in the 4f${}^{13}$5d6s configuration of Yb${}^{+}$