Beijing Academy of Quantum Information Sciences

research · research-org · Beijing, China · baqis.ac.cn

Machines in the Atlas (4)

• Baihua (Quafu platform) — DEPLOYED, 156 q, 2024-
• Dongling (Quafu platform) — DEPLOYED, 130 q, 2024-
• Haituo (Quafu platform) — DEPLOYED, 117 q, 2024-
• ScQ-136 "Baiwang" — DEPLOYED, 136 q, 2024-

Technologies its machines use

• Transmon · 4
• Bare physical qubit (no encoding) · 4
• Tunable-coupler CZ / iSWAP · 4
• Static nearest-neighbour lattice · 4
• Room-temperature electronics + per-qubit coax/flex · 4
• Dispersive microwave readout (+TWPA, Purcell) · 4
• Superconducting-qubit lithography (Al/AlOx/Al junctions, Nb wiring, 300 mm) · 4

Architectures

• Transmon lattice with tunable couplers