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[16] 李金萍,卢克清,赵卫,等.有偏压中心对称光折变晶体中的屏蔽孤子［J］.光子学报,2006,35(2):257-260.

[17] Zhan K Y,Hou C F,Tain H,et al.Spatial solitons in centrosymmetric photorefractive crystals due to the two-photon photorefractive effect［J］.J Opt,2010, 12:015203．

[18] Zhan N K Y,Hou C F.Separate spatial soliton pairs in a biased series centrosymmetric photorefractive crystal circuit［J］.Optik,2011,122:563-568.第31卷第3期2011年9月光电子技术ＯＰＴＯＥＬＥＣＴＲＯＮＩＣ　ＴＥＣＨＮＯＬＯＧＹＶｏｌ．31　Ｎｏ．3　Sept．　2011

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[20] Zhang G Y,Liu J S.Screening-photovoltaic spatial solitons in biased two-photon photovoltaic photorefractive crystals［J］. J Opt Soc Am B, 2009,26(1): 113-120.

[21] Segev M,Agranat A.Spatial solitons in centrosymmetric photorefrective media［J］.Opt lett,1997,22(17):1299-1301.

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

[23] 李金萍,卢克清,赵卫,等.有偏压中心对称光折变晶体中的屏蔽孤子［J］.光子学报,2006,35(2):257-260.

[24] Zhan K Y,Hou C F,Tain H,et al.Spatial solitons in centrosymmetric photorefractive crystals due to the two-photon photorefractive effect［J］.J Opt,2010, 12:015203．

[25] Zhan N K Y,Hou C F.Separate spatial soliton pairs in a biased series centrosymmetric photorefractive crystal circuit［J］.Optik,2011,122:563-568.第31卷第3期2011年9月光电子技术ＯＰＴＯＥＬＥＣＴＲＯＮＩＣ　ＴＥＣＨＮＯＬＯＧＹＶｏｌ．31　Ｎｏ．3　Sept．　2011