Quantinuum Error Correction Record Hits 99.9995% Fidelity on Helios
Quantinuum's Helios hit 99.9995% logical fidelity using a color code, with errors falling about 12x per code-distance step, a 10x gain on its September record.
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Quantum computing progress: error-correction milestones, qubit roadmaps, post-quantum cryptography, and real workloads.
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Quantinuum Error Correction Record Hits 99.9995% on Helios
Quantinuum's Helios hit 99.9995% logical memory fidelity, cutting errors about twelvefold per code-distance step and strengthening its 2029 Apollo roadmap.
Quantum X Labs Starts Error Correction Tests on Arbel Processor
Quantum X Labs began quantum error correction experiments on the Arbel processor at Israel's IQCC, run by Quantum Machines. Real-time QEC is still a future
Molecular Qubit Breakthrough Moves to HyperLight Photonic Chips
NVision published a Nature paper on a single-molecule spin-photon qubit and partnered with HyperLight to put molecular qubits on lithium niobate photonic chips.
NIST IR 8547 Final Deprecates All RSA and ECC Keys After 2030
NIST published its final IR 8547 on Oct. 27, 2026. RSA and ECC are now deprecated at every key size after 2030, then disallowed after 2035.
NIST Post-Quantum Roadmap Lands as Google Cuts Qubit Errors 40x
NIST released its final post-quantum migration roadmap, retiring RSA and ECC by 2035, as Google reported a 40-fold error cut in quantum fault tolerance.
Quantum Error Correction Tests Begin on Israel's Arbel Processor
Quantum X Labs began error correction experiments on the Arbel processor at Israel's IQCC. Real-time correction and fault tolerance are later goals.
Quantum X Labs Starts Error-Correction Trials on Arbel Processor
Quantum X Labs began error-correction experiments on IQCC's Arbel superconducting processor; it says real-time and fault-tolerant QEC are not yet demonstrated.
Quantinuum Helios Sets Error Correction Record at 99.9995%
Quantinuum's 98-qubit Helios hit 99.9995% logical fidelity, about five errors per million cycles: 10x its September record and 100x Google's published result.
Magic State Cultivation: Google Willow Cuts Errors 40-Fold
Google ran magic state cultivation on its Willow chip, cutting magic-state errors 40x at 99.99% fidelity and reviving debate over Bitcoin's Q-Day timeline.
Quantum Computing Roadmaps Converge on 2029 as Google Cuts Errors
Google cut magic-state errors 40-fold on Willow as IBM, Quantinuum and Microsoft aim for 2029 fault tolerance and US post-quantum crypto deadlines begin.
Google magic state cultivation on Willow cuts errors 40-fold
Google showed magic state cultivation working on its Willow chip, with 40x fewer errors and 99.99% fidelity. The result has restarted debate over Q-day
Google Willow Magic State Cultivation Cuts Quantum Errors 40-Fold
Google Quantum AI ran magic state cultivation on its Willow chip, cutting magic-state errors about 40x and reaching 99.99% T-state fidelity, per Science.
Quantum Computing News: DOE Targets, DARPA QBI Stage C, Funding
On Oct. 8, 2026, DOE set eight quantum science priorities, DARPA moved four firms to QBI Stage C, and NVIDIA pledged $1B for US science.
IBM DARPA Quantum Benchmarking Stage C: What It Means
IBM reached Stage C of DARPA's Quantum Benchmarking Initiative, where independent experts will vet its plan for a fault-tolerant quantum computer by 2029.
IBM 70 Logical Qubits: Post-Selection Behind the Advantage Claim
IBM and UChicago ran a 70-logical-qubit circuit on 97 physical qubits claiming verifiable advantage, but it relied on error detection and heavy post-selection.
Quantum Error Correction: IonQ Decoder Runs in Real Time on One CPU
IonQ says it has a real-time quantum error correction decoder running on one standard CPU, as new codes and roadmaps reduce the overhead of fault tolerance.
IonQ Quantum Interconnect Hits 1,000 Entanglements Per Second
IonQ linked a trapped-ion qubit to a silicon-vacancy quantum memory at over 1,000 entanglements per second, beating the prior trapped-ion record by 4x.
Quantum Error Correction Benchmark Puts Quantinuum Helios on Top
A Jülich study of 10 quantum processors found Quantinuum's Helios-1 handled error-correction operations best, up to 91 data qubits, beating IBM and IQM.
Quantum Computing Companies Shift Race to Logical Qubits in 2026
In 2026 the quantum race moved to logical qubits: IBM ran 70, QuEra and Quantinuum posted disputed counts, and the big roadmaps all aim at 2029.