What is IQM LUMI-IQ Fault-Tolerant Error-Correction Blueprint?

Quantum computers store information in qubits, which are easily disturbed by noise, so protecting that information is one of the field's central problems. Quantum error correction is the set of techniques for doing this; one approach combines many physical qubits into a single, more stable logical qubit. LUMI-IQ is a plan by the company IQM for a quantum computer at the LUMI AI Factory, a European initiative to accelerate AI innovation, meant to support research toward fault-tolerant quantum computing (machines that keep working correctly despite errors) and to be combined with AI and supercomputing in one hybrid platform. It is described in three steps: a 150-physical-qubit system in 2027, an upgrade in 2028, and a final upgrade in 2029 that is planned to enable computations with up to 9 logical qubits.

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