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Quantinuum's demonstration of 99.9995% logical memory fidelity on Helios validates the viability of trapped-ion error correction, marking a critical milestone toward fault-tolerant universal quantum computing. While D-Wave simultaneously expands annealing infrastructure in Europe, these developments highlight the diverging yet complementary paths of gate-model and annealing architectures in the current hardware landscape.

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Quantinuum Achieves 99.9995% Logical Memory Fidelity on Helios

Explore QuantumOctober 19, 20263 min read

Quantinuum achieved 99.9995% logical memory fidelity on its Helios trapped-ion quantum computer. This translates to a logical error rate of 5 × 10⁻⁶ per syndrome-extraction round using a distance-7 code.

Good day, quantum explorers. Quantinuum Achieves 99.9995% Logical Memory Fidelity on Helios Quantinuum Achieves 99.9995% Logical Memory Fidelity on Helios Quantinuum achieved 99.9995% logical memory fidelity on its Helios trapped-ion quantum computer. This translates to a logical error rate of 5 × 10⁻⁶ per syndrome-extraction round using a distance-7 code. The results show exponential error suppression, achieving a suppression factor of 12. The performance aligns with…

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