Fig. 4: Franson-type interference fringes before and after the spatiotemporal shaping.
From: Frequency-insensitive spatiotemporal shaping of single photon in multiuser quantum network

a–c Franson-type interference fringes before the spatiotemporal shaping. d–f Franson-type interference fringes after the spatiotemporal shaping. The error bars represent one standard deviation.