QUIONE
ICFO - Institut de Ciencies Fotoniques
QUIONE
Register profile — the machine's variant of its architecture
qubit type: none (analog quantum-gas simulator; no qubit encoding)
gate mechanism: analog Bose-Hubbard dynamics in an optical lattice; no entangling gate
connectivity: 2-D in-plane optical lattice plus light sheet at the 813.4 nm clock-magic wavelength
control: lasers: 813.4 nm lattice and light sheet, 461 nm imaging, 689 nm Sisyphus cooling
control placement: optics (room temperature)
readout: site-resolved fluorescence imaging on the 461 nm transition, imaging fidelity above 94%
gate evidence: no published figure
flags: analogue operation only, no entangling gate
Technologies by layer — the machine's cell per layer
| 1 Qubit carrier | Alkaline-earth(-like) atom (Yb/Sr) — erasure-native · primary ▤ abstract ✅ 84Sr bosonic quantum gas (alkaline-earth) in a Hubbard-regime optical lattice |
| 2 Encoding | — none — nothing in this layer ▤ abstract ✅ no qubit encoding: the machine images a many-body quantum gas site by site |
| 3 Gate mechanism | — none — nothing in this layer ▤ abstract ✅ no gates; analog Bose-Hubbard evolution (superfluid observed with single-atom resolution) |
| 4 Connectivity / transport | — (Atlas gap: ∅G-lattice) · primary ▤ abstract ✅ atoms held in a 2-D in-plane optical lattice plus light sheet at 813.4 nm; no per-atom moves |
| 5 Control | Laser + AOD/SLM optical control (atoms) · primary ▤ abstract ✅ laser control: 813.4 nm lattice and light sheet, 689 nm Sisyphus cooling during imaging |
| 6 Readout | Fluorescence imaging of atom arrays · primary ▤ abstract ✅ site-resolved fluorescence imaging on the 461 nm transition; imaging fidelity above 94% |
| 7 Code | |
| 8 Decoder | |
| 9 Interconnect | |
| 10 Manufacturing | Optical / mechanical assembly (lasers, vacuum, objectives) · primary ◌ 🔎 optical / vacuum assembly (lasers, lattice optics, microscope objective) (family-determined) |
evidence: ✅ 6 / 10