Quantinuum Implements High-Rate Iceberg Codes on Helios Processor

Iceberg codes and their concatenation Quantinuum implemented high-rate quantum error correcting (QEC) codes on the 98-qubit Helios trapped-ion processor, utilizing the $[[k+2, k, 2]]$ iceberg quantum error detecting (QED) and [[(k2+2)(k1+2), k2k1, 4]] two-level concatenated iceberg QEC codes. This implementation yielded 94 error-detected logical qubits and 48 error-corrected logical qubits from the 98 physical qubits […]

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