Research
The slow, careful work of quantum utility.
We publish openly. Every benchmark we cite ships with code, pulse schedules, and the calibration data it was measured against — so anyone can reproduce, audit, or disprove our claims.
01 · Live calibration
No marketing numbers.
WC-890 publishes its calibration data every six hours through a public S3 bucket and a signed JSON feed. The values below are from the most recent calibration window.
Subscribe to the feed →2Q_GATE_FIDELITY99.84 %+0.06 wkWC-890.us-west
1Q_GATE_FIDELITY99.97 %stableWC-890.us-west
READOUT_FIDELITY99.53 %+0.02 wkWC-890.us-west
T1_MEDIAN183 µs+4 µsacross 4,096q
T2_MEDIAN498 msstableacross 4,096q
LOGICAL_QUBITS_ACTIVE12+2 wkdistance-7
CYCLE_TIME118 ns−2 nscompiler v2.4
02 · Publications
Recent whitepapers.
A selection from the past twelve months. Code and pulse schedules linked from each PDF.
Mar 2026
Nature Physics
Error correction
Surface-code break-even on heavy-hex WC-890 qubits
Tanaka, R. · Okafor, M. · Lindqvist, A. · Brun, L.
PDF ↗
Feb 2026
JACS
Chemistry
Active-space VQE for nitrogenase FeMoco at chemical accuracy
Patel, N. · Brun, L. · (Pfizer team)
PDF ↗
Jan 2026
PRX Quantum
Optimization
Warm-started QAOA outperforms classical heuristics on Max-Cut(d=4)
Garcia, J. · Yamamoto, K.
PDF ↗
Sep 2025
Wave TR-25-09
Benchmarks
Wave Quantum Systems Volume report · H1 2025
Wave Research Group
PDF ↗
Jun 2025
IACR ePrint
Cryptography
Resource estimates for breaking 2048-bit RSA on heavy-hex topologies
Schmidt, F. · Brun, L. · Ito, S.
PDF ↗
Apr 2025
QIP 2025
Algorithms
Quantum amplitude estimation with adaptive precision scheduling
Yamamoto, K. · Okafor, M.
PDF ↗
03 · Open source