Error Correction Architecture Displaces Raw Qubit Count Focus
Leading quantum computing organisations are increasingly designing chip architectures explicitly around quantum error correction requirements, arranging physical qubits in specific lattice patterns that support logical qubit encoding, rather than simply maximising raw physical qubit count on a chip as the primary design objective. MMA's Q4 2025 primary research found error-correction-optimised chip architectures representing a rapidly growing share of new fabrication programmes among leading organisations, as the field's collective understanding of fault tolerance requirements matured. This shift is reshaping fabrication priorities toward qubit connectivity and error rate uniformity rather than pure qubit count.
Market Impact: Drives 63% of fabrication research funding








