Given the well-documented quantum Rayleigh scattering of single photons in a dielectric medium
[1] A. P. Vinogradov, V. Y. Shishkov, I. V. Doronin, E. S. Andrianov, A. A. Pukhov, and A. A. Lisyansky, “Quantum theory of Rayleigh scattering,” Opt. Express 29 (2), 2501-2520 (2021).
How can a single photon propagate in a straight-line inside a dielectric?
Otherwise, synchronized detections of the 'entangled' photons is impossible.