中心对称光折变晶体中非相干耦合空间孤子族

吉选芒, 王金来, 姜其畅, 刘劲松

吉选芒, 王金来, 姜其畅, 刘劲松. 中心对称光折变晶体中非相干耦合空间孤子族[J]. 应用光学, 2011, 32(2): 230-235.
引用本文: 吉选芒, 王金来, 姜其畅, 刘劲松. 中心对称光折变晶体中非相干耦合空间孤子族[J]. 应用光学, 2011, 32(2): 230-235.
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JI Xuan-mang, WANG Jin-lai, JIANG Qi-chang, LIU Jin-song. Incoherently coupled spatial soliton families in centrosymmetric photorefractive crystals[J]. Journal of Applied Optics, 2011, 32(2): 230-235.
Citation: JI Xuan-mang, WANG Jin-lai, JIANG Qi-chang, LIU Jin-song. Incoherently coupled spatial soliton families in centrosymmetric photorefractive crystals[J]. Journal of Applied Optics, 2011, 32(2): 230-235.
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中心对称光折变晶体中非相干耦合空间孤子族

  • 1.

    山西运城学院 物理与电子工程系,山西 运城 044000;

  • 2.

    华中科技大学光电子科学与工程学院,湖北武汉430074

详细信息
    通讯作者:

    吉选芒（1965-），男，山西临猗人，教授，工学硕士，主要从事物理教学与光折变非线性光学方面的研究工作。

  • 中图分类号: O437

Incoherently coupled spatial soliton families in centrosymmetric photorefractive crystals

  • 1.

    Department of Physics &Electronic,Yuncheng University,Yuncheng 044000,China;

  • 2.

    College of Optoelectronic Science and Engineering,Huazhong University of Science and Technology,WuHan 430074,China

摘要

    摘要
  • 摘要: 为了得到中心对称光折变晶体中存在非相干耦合空间孤子族的结果，基于中心对称光折变晶体空间孤子的基本理论，推导出了中心对称光折变晶体中非相干耦合亮、暗和亮-暗混合空间孤子族空间归一化包络解的积分形式，并对其特性进行了数值模拟。结果表明：这种孤子族是由多束偏振方向和波长都相同的互不相干的光束耦合形成的，非相干耦合孤子族在中心对称光折变晶体中传播时，各分量成分光束都能稳定传播，当入射光束中只含有两分量时，空间孤子族退化为暗暗、亮-亮和亮-暗空间孤子对。
    Abstract: To study the incoherently coupled spatial soliton families in centrosymmetric photorefractive crystals, we derived theoretically the expressions of normalized spatial profiles of the bright, dark and bright-dark soliton families from the soliton theory in centrosymmetric photorefractive crystals and investigated the characteristics of the soliton families. The numerical results show that these soliton families are coupled by the mutually incoherent incident optical beams sharing the same polarization and wavelength. When the incoherent coupled soliton families propagate in centrosymmetric photorefractive crystals, all the components propagate stably. Moreover, the soliton families degenerate to incoherently coupled dark-dark, bright-bright and bright-dark soliton pairs when they contain only two components.
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  • 刊出日期:  2011-03-14

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