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Quantinuum has achieved a world-record logical fidelity of 99.9995% on its Helios trapped-ion system, demonstrating that scalable fault tolerance is now within reach for practical quantum applications. This breakthrough validates the efficacy of their tailored AI decoders and flexible architecture in exponentially reducing error rates as code distance increases. The result confirms that high-accuracy physical operations combined with advanced error-correction codes can meet the performance targets required for future universal quantum computers.

Surse care acoperăThe Quantum Insider, Quantum Computing Report, Qubits.cz

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Quantinuum Reports a 10x Reduction in Logical Error Rate on Helios

The Quantum Insider19 octombrie 20264 min de cititArticolul și perspectiva sunt în engleză.

Insider Brief PRESS RELEASE — Quantinuum (NASDAQ: QNT), a leading full-stack quantum computing company, today announced a world-record quantum error-correction result, achieving a logical fidelity of 99.9995% on its Helios commercial computer using the company’s error-correction architecture. This marks Quantinuum’s second breakthrough in two months, demonstrating how its highly accurate trapped-ion hardware and flexible architecture […]

Quantinuum reported 99.9995% logical fidelity on its Helios quantum computer using a color code, equivalent to five errors per million operations and a tenfold reduction from its previous result. Logical errors decreased exponentially as code distance increased, with each tested increase reducing remaining errors by a factor of 12. Tests on the same Helios hardware showed a tradeoff between codes, with Helix using 10 physical qubits per logical qubit while the color code used up to…

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