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quant-ph2026
Layer codes as quantum memories: syndrome extraction, thresholds and idle robustness
Zhu Sun, Zhenyu Cai
Layer codes are three-dimensional local CSS codes of check weight at most six, obtained by quasi-concatenating a CSS input code with unrotated surface code patches. What is establi…
quant-ph2026
Nanostructure modelling with early fault tolerant quantum computers
Zhu Sun, Christian Binder, Balint Koczor +1
Semiconductor nanostructures are central to many developing technologies. Notably, double quantum dots are especially important for semiconductor spin-qubit architectures, quantum…
quant-ph2026
A Folded Surface Code Architecture for 2D Quantum Hardware
Zhu Sun, Zhenyu Cai
Qubit shuttling has become an indispensable ingredient for scaling leading quantum computing platforms, including semiconductor spin, neutral-atom, and trapped-ion qubits, enabling…