A new heuristic compiler for multi-qubit iceberg patches reduces circuit depth by 34 percent, cuts gate counts, and improves fidelity metrics on 71 benchmarks compared with naive mapping.
Demonstration of a Logical Architecture Uniting Motion and In-Place Entanglement
8 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We demonstrate a logical neutral atom architecture that integrates atom motion with in-place entanglement to achieve lower overheads than entangling-zone approaches. Using a 114-qubit device, we perform three proof-of-principle logical-qubit experiments. First, we implement a pre-compiled, non-scalable variant of Shor's algorithm, observing improved logical-over-physical performance, including with loss correction and leakage detection, achieving up to a 2x reduction in TVD. Second, we construct constant-depth logical CX ladders; on current hardware these execute with serial entangling operations, yet still yield 2-4x lower error for 8 and 12 logical qubits. Third, we prepare the [[16,4,4]] code and perform single-round decoding with post-processed error correction, achieving 8x improvement on logical vs physical. These results demonstrate how combining motion with in-place entanglement offers lower overhead than entangling-zone approaches.
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quant-ph 8representative citing papers
Neutral-atom system delivers state-of-the-art CZ gate fidelity of 99.854% (99.941% postselected) and demonstrates coherent rearrangement for nonlocal quantum circuits.
Loss biasing turns Rydberg errors into erasures in neutral-atom QEC, restoring fault-tolerant Pauli error scaling and enabling optimal erasure scaling with loss-aware decoding for shorter cycles.
Optimized QED intervals plus steady-state extraction enable PEC+QED to deliver 2-11x lower error than PEC alone on Iceberg codes for QAOA.
A multi-atom Rydberg gate with N ancillae enables N-fold photon collection for fast neutral-atom measurement, achieving infidelity below 10^{-3} in 6 μs with N=5 in Cs-Rb simulations.
A divide-and-conquer algorithm decomposes atom reconfiguration into three 1D shuttling tasks, enabling O(sqrt N) total transportation cost and reliable solutions via the Gale-Ryser theorem for arbitrary geometries.
Global multiqubit Rydberg gates enable break-even measurement-free QEC and lower-shuttling Floquet codes in neutral-atom hardware.
Logical quantum kernels outperform physical ones when solving differential equations on a neutral-atom processor, with gains traced to noise error detection in the logical encoding.
citing papers explorer
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Logical Compilation for Multi-Qubit Iceberg Patches
A new heuristic compiler for multi-qubit iceberg patches reduces circuit depth by 34 percent, cuts gate counts, and improves fidelity metrics on 71 benchmarks compared with naive mapping.
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High-fidelity entangling gates and nonlocal circuits with neutral atoms
Neutral-atom system delivers state-of-the-art CZ gate fidelity of 99.854% (99.941% postselected) and demonstrates coherent rearrangement for nonlocal quantum circuits.
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Loss-biased fault-tolerant quantum error correction
Loss biasing turns Rydberg errors into erasures in neutral-atom QEC, restoring fault-tolerant Pauli error scaling and enabling optimal erasure scaling with loss-aware decoding for shorter cycles.
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Co-Designing Error Mitigation and Error Detection for Logical Qubits
Optimized QED intervals plus steady-state extraction enable PEC+QED to deliver 2-11x lower error than PEC alone on Iceberg codes for QAOA.
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Fast measurement of neutral atoms with a multi-atom gate
A multi-atom Rydberg gate with N ancillae enables N-fold photon collection for fast neutral-atom measurement, achieving infidelity below 10^{-3} in 6 μs with N=5 in Cs-Rb simulations.
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Square-root Time Atom Reconfiguration Plan for Lattice-shaped Mobile Tweezers
A divide-and-conquer algorithm decomposes atom reconfiguration into three 1D shuttling tasks, enabling O(sqrt N) total transportation cost and reliable solutions via the Gale-Ryser theorem for arbitrary geometries.
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Multiqubit Rydberg Gates for Quantum Error Correction
Global multiqubit Rydberg gates enable break-even measurement-free QEC and lower-shuttling Floquet codes in neutral-atom hardware.
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Benchmarking a machine-learning differential equations solver on a neutral-atom logical processor
Logical quantum kernels outperform physical ones when solving differential equations on a neutral-atom processor, with gains traced to noise error detection in the logical encoding.