Fig. 1. Vector modes sum of the correlated photons waveversus wavelength

Fig. 2. Divergence angle of the correlated photonsversus wavelength

Fig. 3. Numerical simulation curve of correlated photons count rate versus wavelength

Fig. 4. Schematic diagram of the spectra and photon count rate measurement of correlated photons

Fig. 5. Schematic diagram of time correlation measurement of the 710 nm/1560 nm, 780 nm/1303 nm and 950 nm/1003 nm correlated photons

Fig. 6. (a) Correlated photons spectral image; (b) Theoretical simulation and experimental measurement ofthe correlated photons divergence angle

Fig. 7. Coincidence measurement curves of three pairs matching wavelength of 710 nm/1560 nm (a), 780 nm/1303 nm (b) and 950 nm/1003 nm (c)