Fraunhofer-Gesellschaft (IAF, IAO, IPMS)

academic · Freiburg (IAF), Stuttgart (IAO), Dresden (IPMS), Germany · https://www.iaf.fraunhofer.de/en.html

Machines in the Atlas (1)

• IBM Quantum System One, Ehningen — DEPLOYED (2021); since Oct 2024 Fraunhofer's renewed IBM contract gives access to IBM's utility-scale Eagle/Heron systems in the IBM Europe Quantum Data Center, Ehningen; no 2025-26 report on the 27-qubit System One, 27 q, Jun 2021

Technologies its machines use

• Transmon · 1
• Bare physical qubit (no encoding) · 1
• Cross-resonance (fixed-frequency, all-microwave) · 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