[1] [1] C. H. Bennett, D. P. Divincenzo. Quantum imormation and computation [J]. Nature (London), 2000, 404(6775): 247-255

[2] [2] Α. Κ Ekert Quantum cryptography based on Bell's theorem [J]. Phys. Rev. Lett, 1991, 67(6):661-663

[3] [3] P. G. Kwiabt, S. Barraza-Lopez, A Stefanov et al. Experimental entanglement distillation and "hidden' non-locality [J]. Nature, 2001, 409(6823): 1014-1017

[4] [4] M. S. Kim, W. Son, V. Buzck et al.. Entanglement by a splitter: Nonclassicality as a prerequisite for entanglement [J]. Phys. Rev. A, 2002, 65:032323-1-032323-7

[5] [5] Wang Xiang-bin. Theorem for the beam-splitter entangler [J]. Phys. Rev. A, 2002, 66: 024303-1-024303-2

[6] [6] Yunjie Xia and Guangcan Guo. Nonclassical properties of even and odd coherent states [J]. Phys. Lett. A, 1989, 136(6): 281283

[7] [7] Xia Yuryie, Li Hongzhen, Guo Guangcaa Higher-order squeezing and quasiprobability distribution functions of ever and odd coherent states [J]. Acta Physica Sinica, 1991, 40(3): 386-392

[8] [8] Xia Yunjie, Guo Guangcan. aome properties of oda ana even coherent states [J]. Chinese J. Quantum Electronics, 1988, 5(4): 301~305

[9] [9] M. Hillery. Amplitude-squared squeezing of the electromagnetic field [J]. Phys. Rev. A, 1987, 36(8): 3796-3802

[10] [10] Richard A. Campos, Bahaa E. A. Saleh et al.. Quantum-mechanical lossless beam splitter SU (2) symmetry and photon statistics[J]. Phys. Rev. A, 1989, 40(3): 1371~1384