Forte / Forte Enterprise
Forte / Forte Enterprise
Register profile — the machine's variant of its architecture
qubit type: Yb-171 hyperfine
gate mechanism: laser Molmer-Sorensen; t_2q median 672 us over the 30-ion chain (range 550-880 us)
connectivity: all-to-all through one chain's motional bus
control: room-temperature electronics + free-space AOM/AOD
control placement: room-temp + free-space optics
readout: fluorescence
gate evidence: a published figure (source class not yet tagged)
codes: hagiwara_nakayama_deletion, holographic, iceberg, stab_5_1_3, steane
flags: conflicting qubit counts
Technologies by layer — the machine's cell per layer
| 1 Qubit carrier | Trapped atomic ion · primary ▣ Fig. 1 (ion chain schematic); §2 Experimental setup ✅ ¹⁷¹Yb⁺ hyperfine; T1 10–100 s, T2 ≈ 1 s; page says 36 qubits, benchmark of record is a 30-ion chain |
| 2 Encoding | Hyperfine / clock-state qubit · primary ▤ §2 Experimental setup 🔎 ¹⁷¹Yb⁺ ground-state hyperfine qubit; family-determined, no machine-specific encoding source |
| 3 Gate mechanism | Mølmer–Sørensen / light-shift laser gate · primary ▣ Fig. 1 (counter-propagating Raman beams); §2; App. C (MS gate properties) ✅ laser Mølmer–Sørensen; 2Q error 4e-3, 1Q error 2e-4; t_2q median 672 µs over the 30-ion chain (550–880 µs) |
| 4 Connectivity / transport | Ion-chain motional bus (all-to-all in chain) · primary ▤ §1; §3.1 Component-level benchmarking ✅ all-to-all through one chain's motional bus; benchmark covers all 435 pairs of a 30-ion chain (degree 29) |
| 5 Control | Free-space laser addressing of ions (AOM/AOD beams) · primary ▣ Fig. 1(a,b) (AODs + embedded control system); §2 ✅ room-temperature electronics + free-space AOM/AOD laser addressing; Forte Enterprise rack-mounted on-prem (QuantumBasel, AIST G-QuAT) |
| 6 Readout | Fluorescence state detection (ions, defects) · primary ▣ Fig. 1(c) (imaging onto fibres); §2 ✅ fluorescence readout; SPAM error 5e-3 |
| 7 Code | Colour code (transversal Cliffords) · primary ▤ abstract; results ✅ flag-verified Steane-code preparation, Steane-style syndrome extraction, continuous-angle logical rotations on the 36-qubit Forte (sweep 7 Oct 2026, source read) Error-detection codes ([[4,2,2]], d=2 surface, iceberg, spacetime) · alternate ▤ abstract 🔎 iceberg-code fault-tolerant Toffoli on a 36-qubit trapped-ion device (device inferred) (sweep 7 Oct 2026, source read) |
| 8 Decoder | |
| 9 Interconnect | |
| 10 Manufacturing | Ion-trap fabrication (surface-electrode chips; machined 3D blade traps) · primary ▣ Fig. 1(d) (in-house surface ion trap); §2 ✅ surface-electrode ion-trap fab; SkyWater (IonQ subsidiary since 2026) per note, no machine-specific source |
Standard records
T1 relaxation → 10 s · typical (10-100 s)
2024 · source
T2 coherence (echo/DD) → 1.0 s · typical
2024 · source
evidence: ✅ 7 / 11