Preprint
Oct 2026
Low-Overhead Quantum Error Correction with Boundary-Connected Planar Modules
Realizing practical quantum computers requires quantum error correction, but the most widely implemented approach, the planar surface code, demands a substantial physical qubit overhead. Here, we demonstrate that partitioning quantum processors into manageable, flat modules with non-local inter-module connections provi...
O. Higgott, Hasan Sayginel, F. Heras et al.
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