KRISS

research · research-org · Daejeon, South Korea · kriss.re.kr

Machines in the Atlas (2)

• KRISS domestic superconducting QPU — DEPLOYED (20-qubit computer and its cloud demonstration, KRISS 21 Jul 2026), 20 q, Jul 2026
• KRISS 50-qubit-class superconducting system — ANNOUNCED (50-qubit model shown at Quantum Korea 2026; working status unconfirmed), 50 q, Mar 2026

Technologies its machines use

• Transmon · 1
• Bare physical qubit (no encoding) · 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
• Tunable-coupler CZ / iSWAP · 1
• 300 mm CMOS foundry (spins, cryo-CMOS, superconducting wiring) · 1

Architectures

• Transmon lattice with tunable couplers