双光子非相干耦合亮-暗混合屏蔽光伏孤子族

吉选芒; 姜其畅; 刘劲松

doi:10.3969/j.issn.1001-3806.2010.O5.012

双光子非相干耦合亮-暗混合屏蔽光伏孤子族

1.
运城学院, 物理与电子工程系, 运城, 044000;
2.
华中科技大学, 光电子科学与工程学院, 武汉, 430074

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方面的研究工作.E-mail:jixuanmang@126.com.

基金项目:
山西省高等学校科技开发基金资助项目(200611042)
中图分类号: O437

Two-photon incoherently coupled bright-dark hybrid screening-photovoltaic spatial soliton families

1.
Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng 044000, China;
2.
College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
CLC number: O437

摘要: 为了得到双光子非相干耦合亮-暗混合屏蔽光伏孤子族的结果,采用数值模拟方法,对稳态情况下多束互不相干的光束,在有外加电场的双光子光伏光折变晶体中的传播进行了研究。结果表明,具有相同偏振和相同波长的多束互不相干的入射光束,可在晶体中形成双光子非相干耦合亮-暗混合屏蔽光伏孤子族。双光子非相干耦合屏蔽光伏孤子族,可以看成是屏蔽孤子族和光伏孤子族的统一形式。当光伏场可忽略时,屏蔽光伏孤子族就转化为屏蔽孤子族,而当外加电场不存在时,屏蔽光伏孤子族相当于开路和闭路条件下的光伏孤子族。当孤子族中只含有两个光束分量时,孤子族就变为屏蔽光伏孤子对。研究结果可为空间光孤子理论的发展提供理论依据。
- 非线性光学 /
- 光折变效应 /
- 双光子光折变介质 /
- 空间孤子族
Abstract: In order to obtain results of the two-photon incoherently coupled bright-dark hybrid screening-photovoltaic spatial soliton families, the propagation of multiple mutually incoherent optical beams in biased two-photon photovoltaic-photorefractive crystal were numerically studied under steady-state conditions. It is shown that two-photon incoherently coupled bright-dark hybrid screening-photovoltaic soliton families can be established in the crystals with mutually incoherent incident beams at the same wavelength and polarization incident in the crystal. The screening-photovoltaic soliton families can be considered as the united form of screening soliton families and photovoltaic soliton families. When the photovoltaic effect is negligible,the screening-photovoltaic soliton families are the screening one. If the external field is absent, the screening-photovoltaic soliton families are photovoltaic ones under the open-and closed-circuit condition.Such soliton families reduce to screening-photovoltaic soliton pairs when they contain only two components.It turned out that this research provides theoretic basis for development of the spatial solitons theory.
- nonlinear optics /
- photorefractive effect /
- two-photon photorefractive material /
- spatial optical soliton families

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双光子非相干耦合亮-暗混合屏蔽光伏孤子族

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方面的研究工作.E-mail:jixuanmang@126.com.

Two-photon incoherently coupled bright-dark hybrid screening-photovoltaic spatial soliton families

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双光子非相干耦合亮-暗混合屏蔽光伏孤子族

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方面的研究工作.E-mail:jixuanmang@126.com

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Two-photon incoherently coupled bright-dark hybrid screening-photovoltaic spatial soliton families

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双光子非相干耦合亮-暗混合屏蔽光伏孤子族

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方面的研究工作.E-mail:jixuanmang@126.com.

Two-photon incoherently coupled bright-dark hybrid screening-photovoltaic spatial soliton families

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双光子非相干耦合亮-暗混合屏蔽光伏孤子族

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方面的研究工作.E-mail:jixuanmang@126.com

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Two-photon incoherently coupled bright-dark hybrid screening-photovoltaic spatial soliton families

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