Legacy duplicate note for the same 2025 Nature parity-readout paper associated with Microsoft’s topological-qubit program. The peer-reviewed result is the single-shot interferometric parity measurement milestone, not a standalone demonstration of an 8-tetron processor.

Key Results

  • Single-shot interferometric fermion-parity measurement in an InAs-Al hybrid device.
  • Signal-to-noise ratio of 1 in 3.6 s and parity-state dwell time longer than 1 ms.
  • Assignment error probability of about 1% at optimal integration time.