IQM develops barbell codes for more efficient fault-tolerant quantum computing

financialpost.com

IQM Quantum Computers has developed a novel quantum error-correcting code called barbell codes. This new approach significantly reduces logical error rates and requires fewer physical qubits compared to the surface code. It also maintains lower hardware complexity, advancing fault-tolerant quantum computing. The barbell codes are tailored to IQM's Constellation quantum processor topology, simplifying fabrication while enhancing performance for practical superconducting qubit manufacturing.


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