Second-order interference of two independent photons with different spectra

Zhou Yu¹, Liu Jian-Bin^{2, 3, †}, Zheng Huai-Bin², Chen Hui², Li Fu-Li¹, Xu Zhuo²

The second-order interference patterns with different response time. Δ λ A = Δ λ B = 1 nm . λ A 0 = 701.2 nm . λ B 0 = 703.2 nm . The meanings of symbols are similar as the ones in Fig. 6.