| Interaction between Two-Dimensional White-Light Photovoltaic Dark Spatial Solitons |
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| 作者姓名： | 刘照红 刘思敏 郭儒 高垣梅 宋涛 朱楠 曲迪 |
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| 作者单位： | （Photonics Center, College of Physics Science, Nenkal University, Tianjin 300071 The Key Lab of Advanced Technique and Fabrication for Weak-Light Nonlinear Photonics Materials （Ministry of Education）, Nankal University, Tianjin 300457） |
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| 基金项目： | Supported by the National Natured Science Foundation of China under Grant Nos 60278006, 60378013 and 10474047. |
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| 摘 要： | Using fully incoherent white light emitted from an incandescent bulb （a line source） and amplitude mask, we study experimentally the interaction between two 21） white-light photovoltaic dark spatial solitons with three different separations （40μm, 50μm and 60μm） and arrangement directions （parallel to, perpendicular to and tilted at 45° with respect to the crystalline c axis） propagating in parallel in close proximity in seff-defocusing LiNbO3：Fe crystal. Experimental results reveal that a 21） white-light dark soliton pair only experiences attractive forces when their mutual separation is sufflciently small （〈 60 μm）, and the degree of the attraction depends on their mutual separation and their arrangement direction. When the separation is larger than 60 μm, the interaction is not evident.
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| 关 键 词： | 黑暗空间孤立子 日光 交互作用 光散射 |
| 收稿时间： | 2006-7-11 |
| 修稿时间： | 2006-07-11 |
Interaction between Two-Dimensional White-Light Photovoltaic Dark Spatial Solitons |
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| LIU Zhao-Hong,LIU Si-Min,GUO Ru,GAO Yuan-Mei,SONG Tao,ZHU Nan,QU Di.Interaction between Two-Dimensional White-Light Photovoltaic Dark Spatial Solitons[J].Chinese Physics Letters,2007,24(2):446-449. |
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| Authors: | LIU Zhao-Hong LIU Si-Min GUO Ru GAO Yuan-Mei SONG Tao ZHU Nan QU Di |
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| Institution: | Photonics Center, College of Physics Science, Nenkal University, Tianjin 300071 The Key Lab of Advanced Technique and Fabrication for Weak-Light Nonlinear Photonics Materials (Ministry of Education |
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| Abstract: | |
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| Keywords: | 42 65 Tg 42 65 -k 42 70 Nq |
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