Qilimanjaro AQPU (Adiabatic Quantum Processing Unit) at BSC

Raveh Neeman

doi:10.5281/zenodo.22674814

Qilimanjaro Quantum Tech · quantum annealers · DEPLOYED (inaugurated at BSC 28 May 2026 under EuroQCS-Spain; access via EuroHPC and RES calls) (28 May 2026) · 10 physical qubits · access: national/EuroHPC allocation (EuroHPC JU and Spanish Supercomputing Network access calls)

architecture: Quantum annealer — flux qubits · Open on the map

Register profile — the machine's variant of its architecture

qubit type: fluxonium (analog / adiabatic operation)

gate mechanism: analog annealing evolution

connectivity: not published

control: analog control; QPUs co-developed with QuantWare

control placement: on-chip flux DAC (unverified)

readout: flux readout

gate evidence: no published figure

flags: no published error rates

Technologies by layer — the machine's cell per layer

1 Qubit carrier	rf-SQUID flux qubit (annealer) · primary ▤ §2 Full-stack coherent quantum annealing technology ✅ few, highly coherent rf-SQUID flux qubits for a coherent annealer; PLANNED / research; no device or qubit count found
2 Encoding	— none — nothing in this layer ◌ 🔎 analog annealer has no encoding layer; the anneal architecture declares an empty L2
3 Gate mechanism	Quantum annealing (analogue evolution) · primary ▤ §2 Full-stack coherent quantum annealing technology ✅ coherent analog annealing evolution; no benchmark published
4 Connectivity / transport	— undisclosed — exists, nothing published ◌ §2 Full-stack coherent quantum annealing technology 🔎 connectivity not published
5 Control	— undisclosed — exists, nothing published ◌ 🔎 control not published
6 Readout	— undisclosed — exists, nothing published ▤ §2 Full-stack coherent quantum annealing technology ✅ Qilimanjaro's own paper: superconducting flux qubits for a coherent annealer; no readout mechanism described
7 Code	— none — nothing in this layer ◌ 🔎 no code; PLANNED / research annealer
8 Decoder	— none — nothing in this layer ◌ 🔎 no decoder
9 Interconnect	— none — nothing in this layer ◌ 🔎 no interconnect published; no machine-specific source
10 Manufacturing	Superconducting-qubit lithography (Al/AlOx/Al junctions, Nb wiring, 300 mm) · primary ◌ 🔎 superconducting-qubit lithography; no machine-specific fab source

evidence: ✅ 3 / 10