New York, NY—A consortium of researchers from Harvard, IBM, and Quantinuum has announced a critical breakthrough in quantum error correction (QEC), widely considered the largest bottleneck in commercial quantum computing. By leveraging a combination of neutral-atom qubits and advanced classical AI acceleration, the team successfully demonstrated a sustained, fault-tolerant logical qubit that maintained coherence below a critical error threshold. This achievement means that for the first time, adding more physical qubits to the system will reliably decrease the overall error rate, rather than increasing it. Experts are calling this the “first true proof of concept for scaled quantum computation,” paving the way for machines that can tackle complex problems in drug discovery, materials science, and cryptography as early as 2028.
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