[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

[4] Liu Jinsong, Lu Keqing. Spatial solitaire wave in biased photovoltaic-photorefractive crystals ［J］. Acta Physica Sinica, 1998, 47(9): 1509～1514

[5] Zhang Guangyong, Liu Jinsong. Self-deflection characteristics of dark photovoltaic spatial solitons in closed circuit［J］. Acta Optica Sinica, 2006, 26(10): 1559～1561

[6] Dong Liangwei, Ma Lihong, Wang Hui. Self-bending effect of spatial soliton in photorefractive medium［J］. Acta Optica Sinica, 2007, 27(8): 1485～1489

[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

[8] Zhang Yu, Hou Chunfeng, Sun Xiudong. Temperature effects on the photovoltaic spatial solitons in two-photon photorefractive media［J］. Chinese J. Lasers, 2008, 35(5): 694～697

[9] Ji Xuanmang, Jiang Qichang, Liu Jinsong. Separate screening-photovoltaic soliton pairs in series two-photon photorefractive crystal circuit［J］. Acta Optica Sinica, 2010, 30(8): 2370～2376

[10] M. Segev, A. Agranat. Spatial solitons in centrosymmetric photorefractive media ［J］. Opt. Lett., 1997, 22(17): 1299～1301

[11] E. Delre, B. Crosignam, M. Tamburrini et al.. One-dimensional steady-state photorefractive spatial solitons in centrosymmetric paraelectric potassium lihium tantalate niobate［J］. Opt. Lett., 1998, 23(6): 421～423

[12] Li Jinping, Lu Keqing, Zhao Wei et al.. Screening solitons in biased centrosymmetric photorefractive media［J］. Acta Photonica Sinica, 2006, 35(2): 257～260

[13] K. Y. Zhan, C. F. Hou, Y. W. Du. Self-deflection of steady-state bright spatial solitons in biased centrosymmetric photorefractive crystals ［J］. Opt. Commun., 2010, 283(1): 138～141

[14] N. Fressengeas, J. Maufoy, G. Kugel. Temporal behavior of bidimensional photorefractive bright spatial solitons［J］. Phy. Rev. E, 1996, 54(6): 6866～6975

[15] C. Mathieu. Temporal analysis of open-circuit dark photovoltaic spatial solitons ［J］. J. Opt. Soc. Am. B, 2003, 20(12): 2515～2522

[16] Zhang Lei, Lu Keqing, Zhang Meizhi et al.. Temporal development of open-circuit bright photovoltaic solitons［J］. Chin. Phys. B, 2008, 17(7): 2539～2543

[17] Shen Yan, Zhang Guoquan, Xu Jingjun et al.. Dynamic behaviour of open-circuit photovoltaic spatial solitons［J］. Acta Optica Sinica, 2008, 28(3): 528～533

[18] K. Q. Lu, W. Zhao, L. Zhang et al.. Temporal behavior of dark spatial solitons in closed-circuit photovoltaic media［J］. Opt. Commun., 2008, 281(10): 2913～2917

[19] K. Q. Lu, W. Zhao, Y. Z. Chen et al.. Temporal development of spatial solitons in biased photorefractive-photovoltaic materials ［J］. J. Modern Optics, 2008, 55(10): 1571～1585

[20] N. V. Kukhtarev, V. B. Markov, S. G. Odulov et al.. Holographic storage in electrooptic crystals［J］. Ferroelectrics, 1979, 22(3-4): 949～960

[21] K. Y. Zhan, C. F. Hou. Separate spatial soliton pairs in a biased series centrosymmetric photorefractive crystal circuit［J］. Optik, 2011, 122(7): 563～568