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Caltech and Oratomic's "Mitten" codes represent a significant architectural shift in fault-tolerant quantum computing by leveraging non-abelian group structures to bypass traditional distance limits inherent in abelian qLDPC designs. This breakthrough enables high encoding rates with low overhead, facilitating scalable parallel operations like lattice surgery that are critical for building practical, large-scale processors. The introduction of efficient GPU-accelerated decoders further enhances the feasibility of executing complex logical circuits within realistic noise environments.

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Caltech and Oratomic Introduce “Mitten” qLDPC Codes for High-Throughput Quantum Computing

Quantum Computing ReportAugust 3, 20263 min read

Mitten codes as fault-tolerant qLDPC processors Researchers from the California Institute of Technology (Caltech) and Oratomic, Inc. have introduced mitten codes, a new family of non-abelian quantum low-density parity-check (qLDPC) error-correcting codes. Published on arXiv under the title "High-rate qLDPC processors," the research addresses the long-standing challenge of creating fault-tolerant quantum processors that simultaneously achieve [...] The post Caltech and Oratomic Introduce “Mitten” qLDPC Codes for High-Throughput Quantum Computing appeared first on Quantum Computing Report.

Researchers from the California Institute of Technology (Caltech) and Oratomic, Inc. have introduced mitten codes, a new family of non-abelian quantum low-density parity-check (qLDPC) error-correcting codes. Published on arXiv under the title “High-rate qLDPC processors,” the research addresses the long-standing challenge of creating fault-tolerant quantum processors that simultaneously achieve high encoding…

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