[24] J. D. Franson. Nonlocal cancellation of dispersion. Phys. Rev. A, 45, 3126-3132(1992).
[27] H. Y. Zhang, J. F. Li, X. Y. Liang, H. Lin, L. H. Zheng, L. B. Su, J. Xu. High-power and wavelength tunable diode-pumped continuous wave Yb:SSO laser. Chin. Opt. Lett., 10, 111404(2012).
[29] D. N. Klyshko. Photons and Nonlinear Optics(1988).
[31] A. Zhang, M. Li, Y. H. Feng. Experimentally achieve two photon entanglement on various emitting angle. Chin. Opt. Lett., 11, 092701(2013).
[32] Z. Y. Ou. Multi-Photon Quantum Interference(2007).