Efficient atom rearrangements for quantum error correction primitives with a single AOD

2026/07/30 by Tom Hartweg, Asier Piñeiro Orioli, Hugo Perrin +1
Physics and Astronomy · #quant-ph

paper · pdf

13 pages, 8 figures

arxiv created 2026/07/30 · arxiv updated 2026/07/31

Abstract

Neutral-atom quantum computers offer arbitrary connectivity enabled by atom transport. Some logical operations can then be simplified or reduced entirely to geometric rearrangements of the atoms. Minimizing the duration of these movements is therefore essential for high logical throughput. We introduce new primitives to shear, rotate and reflect 2D arrays of atoms in a static lattice using sweeps of a single dynamic crossed acousto-optic deflector (AOD) pair. Using (nega-)binary and geometric decompositions, we achieve an AOD stroke count scaling logarithmically in the linear size of the array. In one example, we use the Paeth decomposition to implement a 90^∘ rotation for a transversal Hadamard gate in a rotated surface code of distance d in 3\lfloorlog₂(d-1)\rfloor + 4 AOD strokes and O(d^1/3) constant-jerk time, against O(d²) strokes and O(d^7/3) time for atom-by-atom rearrangement.

Citations

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Related

• HiPARS: Highly-Parallel Atom Rearrangement Sequencer
• Acousto-optic lens for 3D shuttling of atoms in a neutral atom quantum computer
• AI-Enabled Rapid Assembly of Thousands of Defect-Free Neutral Atom Arrays with Constant-time-overhead
• atommovr: An open-source simulation framework for rearrangement in atomic arrays
• Design of an FPGA-Based Neutral Atom Rearrangement Accelerator for Quantum Computing