Compact modern benchmark for explicit dual-rail photonic state generation. The work reports a four-photon dual-rail cluster state built from dual-color photon-pair sequences, giving the dual-rail entry a real 2024 experimental milestone rather than stopping at architecture-only discussion.

Key Results

  • Demonstrates a 4-photon dual-rail photonic cluster state
  • Reports a lower-bound state fidelity of 0.81
  • Shows a practical route from dual-rail state preparation toward larger photonic cluster-state resources