Figure 11
From: Simplified entanglement swapping protocol for the quantum Internet
Bell test from two independent sources of entangled photons on the optical table. Taking into account everything common with the experiment in Fig. 9, this experiment consists of two polarizers interrupting the upper and lower beam of the figure, one fixed, the lower one, at each of the angles β = {0, π/4, π/2, 3π/4}, while the other varies according to the commands that the computer sends to the waveplate controller, responsible for the variation of the angle in the upper polarizer.
