[1] Segev M, Crosignani B, Yariv Y et al.. Spatial soliton in photorefractive media. Phys. Rev. Lett., 1992, 68(7):923~926
[2] Duree G C, Shultz J J L, Salamo G J et al.. Observation of self trapping of an optical beam due to the photorefractive effect. Phys. Rev. Lett., 1993, 71(4):533~536
[3] Shih M F, Segev M, Valley G C et al.. Observation of two dimensional photorefractive screening solitons. Electron. Lett., 1995, 31(10):826~827
[4] Chen Zhigang, Mitchell M, Shih M F et al.. Steady state dark photorefractive screening solitons. Opt. Lett., 1996, 21(9):629~631
[5] Montemezzani C, Gunter P. Profile of photorefractive one dimensional bright spatial solitons. Opt. Lett., 1997, 22(7):451~454
[6] Segev M, Valley G C, Crosignani B et al.. Steady state spatial screening solitons in photorefractive materials with external applied field. Phys. Rev. Lett., 1994, 73(24):3211~3214
[7] Christodoulides D N, Carvalho M I. Bright, dark, and gray spatial soliton states in photorefractive media. J. Opt. Soc. Am. (B), 1995, 12(9):1628~1633
[8] Singh S R, Christodoulides D N. Evolution of spatial solitons in biased photorefractive media under steady state conditions. Opt. Commun., 1995, 118(5/6):569~576
[9] Valley G C, Segev M, Crosignani B et al.. Dark and bright photovoltaic spatial solitons. Phys. Rev. (A), 1994, 50(6):R4457~R4460
[10] Morin M, Duree G, Salamo G et al.. Waveguides formed by quasi steady state photorefractive spatial solitons. Opt. Lett., 1995, 20(20):2066~2068
[11] Liu Jinsong, Lu Keqing. Screening photovoltaic spatial solitons in biased photovoltaic photorefractive crystals and their self deflection. J. Opt. Soc. Am. (B), 1999, 16(4):550~555