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. 2026 Feb 25;13:10. doi: 10.1186/s40580-026-00540-6

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© The Author(s) 2026, modified publication 2026

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Fig. 5 — a Schematic diagram of centralized MUX HSPSs for multi-photon generation. The switch efficiently routes N single photons from HSPSs. b N-photon generation probability for different MUX strategies (M = 30, p = 0.1) for different values of switch efficiency (μ_s = 0.99, 0.999, 0.9999, 1). The centralized MUX can outperform N sets of M-mode MUX-HSPSs, but is highly sensitive to the switch efficiency

Inline graphic — a Schematic diagram of centralized MUX HSPSs for multi-photon generation. The switch efficiently routes N single photons from HSPSs. b N-photon generation probability for different MUX strategies (M = 30, p = 0.1) for different values of switch efficiency (μ_s = 0.99, 0.999, 0.9999, 1). The centralized MUX can outperform N sets of M-mode MUX-HSPSs, but is highly sensitive to the switch efficiency