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Figure 4 | EPJ Quantum Technology

Figure 4

From: One-dimensional waveguide coupled to multiple qubits: photon-photon correlations

Figure 4

Second-order correlation function, g 2 (t), calculated with a weak incident coherent state for spacing k 0 L=π/4. First row is for transmitted photons, second row for reflected photons. The columns correspond to N=1,2, or 3 qubits coupled to the waveguide. The photon frequency is chosen so that T=50%. The result for uncorrelated photons, g 2 =1, is marked (dashed line) for comparison. In the three qubit case, note the strong bunching in reflection [panel (f)] and long anti-bunching interval after the initial bunching in transmission [panel (c)].

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