[1] M. Segev, B. Crosignani, A.Yariv et al.. Spatial solitons in photorefractive media [J]. Phys. Rev. Lett., 1992, 68(7): 923~926
[2] D. N. Christodoulides, M. I. Carvalho. Bright, dark and gray spatial soliton states in photorefractive media [J]. J. Opt. Soc. Am. B, 1995, 12(9): 1628~1633
[3] M. Segev, G. C. Valley, M. C. Bashaw et al.. Photovoltaic spatial solitons [J]. J. Opt. Soc. Am. B, 1997, 14(7): 1772~1781
[5] Peng Xiaolan, Zhou Yamin, Wang Hongcheng. Incoherently coupled bright-dark soliton pairs and their propagation properties in unbiased photovoltaic crystals[J]. Acta Optica Sinica, 2011, 31(6): 0619001
[6] Liu Jinsong, Lu Keqing. Spatial solitaire wave in biased photovoltaic-photorefractive crystals [J]. Acta Physica Sinica, 1998, 47(9): 1509~1514
[7] C. F. Hou, Y. B. Pei, Z. X. Zhou et al.. Spatial solitons in two-photon photorefractive media[J]. Phys. Rev. A, 2005, 71(5): 053817
[9] O. N. Cohen, T. Carmon, M. Segev et al.. Holographic solitons[J]. Opt. Lett., 2002, 27(22): 2031~2033
[10] J. S. Liu. Holographic solitons in photorefractive dissipative systems[J]. Opt. Lett., 2003, 28(22): 2237~2239
[11] Liu Jinsong. Existence curves of asymmetric photorefractive holographic optical solitons[J]. Acta Physica Sinica, 2004, 53(9): 3014~3019
[12] J. S. Liu, H. J. Eichler. Holographic screening photovoltaic solitons in biased photovoltaic photorefractive crystals with two-wave mixing[J]. Eur. Phys. Lett., 2004, 65(5): 658~664
[13] J. S. Liu J. Separate spatial soliton pairs and solitons interaction in an unbiased series ohotorefractive crystal circuit[J]. Phys. Lett. A, 2002, 300(2-3): 213~220
[14] J. S. Liu, Z. H. Hao. Evolution of separte screening soliton pairs in a biased series photorefractive crystal circuit[J]. Phys. Rev. E, 2002, 65(6): 066601
[15] Ji Xuanmang, Liu Jinsong. Screening soliton pairs in a biased serirs two-photon photorefractive crystal circuit[J]. Chinese Science Bulletin, 2009, 54(19): 2950~2956