| Steady-State Spatial Solitons in Low-Amplitude Regime in Biased Photorefractive-Photovoltaic Crystals |
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| 作者姓名： | LU Keqing ZHANG Yanpeng TANG Tiantong HOU Xun WU Hongcai |
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| 作者单位： | LU Keqing 1，2 ZHANG Yanpeng 1 TANG Tiantong 1 HOU Xun 3 WU Hongcai 1 1Department of Electronic Science and Technolog Xi’an Jiaotong University，Xi’an 710049，China 2Department of Applied Physics Xidian Un |
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| 基金项目： | theNationalNaturalScienceFoundationofChinawithGrantNo .6 99780 19 |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｓｔｅａｄｙ ｓｔａｔｅｐｈｏｔｏｒｅｆｒａｃｔｉｖｅ (ＰＲ)ｓｐａｔｉａｌｓｏｌｉｔｏｎｓ1～ 3] ｈａｖｅｂｅｅｎｉｎｖｅｓｔｉｇａｔｅｄｅｘｔｅｎｓｉｖｅｌｙｉｎｔｈｅｐａｓｔｆｅｗｙｅａｒｓ.Ａｔｐｒｅｓｅｎｔｔｈｅｓｅａｒｅｔｗｏｄｉｆｆｅｒｅｎｔｋｉｎｄｓｏｆｓｔｅａｄｙ ｓｔａｔｅＰＲｓｏｌｉｔｏｎｓ :ｓｃｒｅｅｎｉｎｇ1 ,2 ] ｓｏｌｉｔｏｎｓａｎｄｐｈｏｔｏｖｏｌｔａｉｃ (ＰＶ) 3]ｓｏｌｉｔｏｎｓ.Ｍｏｒｅｒｅｃｅｎｔｌｙ ,ｗｅｈａｖｅｓｈｏｗｎｔｈｅｏ…
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| 收稿时间： | 2000/5/9 |
Steady-State Spatial Solitons in Low-Amplitude Regime in Biased Photorefractive-Photovoltaic Crystals |
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| Abstract: | A theory of the space charge field is improved in biased photorefractive phorovoltaic crystals. Steady state spatial solitons are obtained in the low amplitude regime in biased photorefractive photovoltaic crystals. When photovoltaic effect is neglected, these solitons are screening solitons, and their space charge field is the space charge field of screening solitons. When the external field is absent, these solitons are photovoltaic solitons for the closed or the open circuit and we also predict that gray solitons exist in photorefractive photovoltaic crystals, and their space charge field is the space charge field of photovoltaic solitons. |
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| Keywords: | spatial soliton photorefractive photovoltalic crystal screening soliton space charge field |
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