A versatile laser-machined rf trap for arrays of 100+ ions

• URL: http://arxiv.org/abs/2607.13342v1
• Date: Wed, 15 Jul 2026 00:04:54 GMT
• Title: A versatile laser-machined rf trap for arrays of 100+ ions
• Abstract summary: Large ion crystals in diverse geometries are a key resource for quantum simulation experiments.<n>In this work, we introduce a macroscopic ion trap that supports a wide variety of one-dimensional ion as well as lateral two-dimensional crystals with more than 100 ions.<n>Ten independently biased electrodes provide flexible control over the axial potential, enabling long one-dimensional crystals, isospaced ion strings, split-well chains, and two-dimensional arrays with tunable aspect ratios.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large ion crystals in diverse geometries are a key resource for quantum simulation experiments. In this work, we introduce a macroscopic rf trap that supports a wide variety of one-dimensional ion configurations as well as lateral two-dimensional crystals with more than 100 ions. Our design is based on precision-machined fused silica wafers that are stacked to form the trap structure. Ten independently biased electrodes provide flexible control over the axial potential, enabling long one-dimensional crystals, isospaced ion strings, split-well chains, and two-dimensional arrays with tunable aspect ratios. We present the design and fabrication process for this trap and demonstrate the ability to tune the radial secular frequencies, detect and compensate micromotion, rotate the principal axes, and characterize trapped ion heating rates. All trap design and documentation files are freely available alongside this work, to facilitate adoption and further development within the ion trap community.

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