Peking University

academic-body · research-org · Beijing, China · https://english.pku.edu.cn

Machines in the Atlas (1)

• Zhuangzi 2.0 (Chuang-tzu 2.0) — DEMONSTRATED (Nature, 28 Jan 2026), 78 q, 28 Jan 2026 (arXiv Mar 2025)

Technologies its machines use

• Transmon · 1
• Bare physical qubit (no encoding) · 1
• Tunable-coupler CZ / iSWAP · 1
• Static nearest-neighbour lattice · 1
• Room-temperature electronics + per-qubit coax/flex · 1
• Dispersive microwave readout (+TWPA, Purcell) · 1
• Superconducting-qubit lithography (Al/AlOx/Al junctions, Nb wiring, 300 mm) · 1

Architectures

• Transmon lattice with tunable couplers