Syndrome resampling increases QEC thresholds and cuts logical errors by up to four orders of magnitude by biasing toward likely syndromes, linked to Rényi coherent information phase transitions.
Baldwin, David Hayes, Joan M
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First end-to-end demonstration of quantum error correction integrated with quantum phase estimation to compute molecular hydrogen ground-state energy to 0.001(13) hartree accuracy on Quantinuum H2-2 hardware.
A 3D convolutional neural network decoder for surface codes with circuit noise generalizes to distance-97 codes with thresholds up to 0.7% depolarizing noise and improved latency over MWPM above distance 33.
Impulsive spin-dependent excitation enables high-fidelity non-local entangling gates between arbitrary ion pairs in chains of up to 40 trapped ions within 1.3-2 center-of-mass oscillation periods.
Constructions for universal quantum computation in the [[n,n-2,2]] error-detecting code detect single-gate errors at computation end, providing weak fault tolerance with reduced overhead versus full error correction.
citing papers explorer
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Syndrome resampling enhances quantum error correction thresholds
Syndrome resampling increases QEC thresholds and cuts logical errors by up to four orders of magnitude by biasing toward likely syndromes, linked to Rényi coherent information phase transitions.
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Quantum Error-Corrected Computation of Molecular Energies
First end-to-end demonstration of quantum error correction integrated with quantum phase estimation to compute molecular hydrogen ground-state energy to 0.001(13) hartree accuracy on Quantinuum H2-2 hardware.
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Fully convolutional 3D neural network decoders for surface codes with syndrome circuit noise
A 3D convolutional neural network decoder for surface codes with circuit noise generalizes to distance-97 codes with thresholds up to 0.7% depolarizing noise and improved latency over MWPM above distance 33.
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High-speed and high-connectivity two-qubit gates in long chains of trapped ions
Impulsive spin-dependent excitation enables high-fidelity non-local entangling gates between arbitrary ion pairs in chains of up to 40 trapped ions within 1.3-2 center-of-mass oscillation periods.
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Weakly Fault-Tolerant Computation in a Quantum Error-Detecting Code
Constructions for universal quantum computation in the [[n,n-2,2]] error-detecting code detect single-gate errors at computation end, providing weak fault tolerance with reduced overhead versus full error correction.
- LightStim: A Framework for QEC Protocol Evaluation and Prototyping with Automated DEM Construction