The probability of quasi-square wave spatial solitons is also involved.
提出了准方波形空间光孤子的可能性。
The temporal behavior of photorefractive spatial solitons is studied in this thesis.
本文主要对光折变空间光孤子的时间行为进行了研究。
Strong optical spatial solitons are solitons that satisfy the strong nonlocal condition.
强非局域空间光孤子是指满足强非局域条件的空间孤子。
We present a numerical study of coherent collisions of multi photovoltaic bright spatial solitons.
用数值方法分析了多个平行传播一维光伏空间亮孤子之间的相干相互作用。
The characteristic of the photovoltaic spatial solitons in two-photon photorefractive media is influenced by the temperature of the media.
具有双光子光折变效应的光折变介质温度的变化对光伏孤子性质具有影响。
Photorefractive (PR) spatial solitons form when the self-focusing of a light beam inside the PR material exactly balances the diffraction of the beam.
光折变空间光孤子是指当光折变材料的自聚焦效应与光束的衍射发散作用相平衡时，在介质内无衍射向前传播的光束。
Generally, under these conditions we can form bright bright, dark dark and bright dark polychromatic light photovoltaic spatial solitons in the crystal.
一般而言，在满足上述条件的情况下，双色光可以形成双色光亮孤子、双色光暗孤子、一亮一暗孤子。
The physical mechanism of the spatial solitons in nematic liquid crystals is discussed, and the research progress of these spatial solitons are introduced summarily.
对向列相液晶中空间光孤子产生机制进行了详细的阐述，并对其目前的研究进展进行了概括介绍。
Then, the analytical expressions for both the bright and dark low-amplitude two-photon screening-photovoltaic spatial solitons in photorefractive crystals were obtained.
给出了低振幅双光子屏蔽光伏亮和暗孤子的解析表达式，并推到出了孤子宽度的显式表达式。
The parallel interaction between two photovoltaic spatial solitons of dark and dark as well as dark and bright with different wavelengths is investigated by numerical method.
用数值方法分析了平行传播异色光伏暗孤子之间及亮暗孤子之间的相互作用。
We investigate numerically the interaction between incoherent spatial solitons in a nonlinear medium with logarithmic saturable nonlinearity base on the coherent density approach.
基于相干密度理论，数值地研究了在饱和对数非线性介质中多个部分非相干光空间孤子之间的相互作用。
The study shows that both kinds of solitons are all unstable, and we find the stability of polychromatic partially coherent optical spatial solitons is affected by light frequency.
研究表明不论是准单色还是多色的部分相干空间光孤子在传输过程中都不是严格稳定的，并且多色光孤子的稳定性受到频率的影响。
The existence of dark and gray spatial solitons in logarithmically nonlinear media is investigated. It is shown that both dark and gray solitons are possible in corresponding nonlinear media.
对在对数型非线性介质中空间灰孤子的存在性进行了研究，认为对数型非线性介质中可以同时支持暗和灰空间孤子态。
We investigate numerically the interactions of multiple partially incoherent spatial solitons in a nonlinear medium with logarithmic saturable nonlinearity based on the coherent density approach.
基于相干密度理论，数值地研究了在饱和对数非线性介质中多个部分非相干光空间孤子之间的相互作用。
The steady state vector spatial solitons in photorefractive crystals and the modulation instability in biased photorefractive-photovoltaic crystals are studied by both analytic and numerical methods.
用解析方法和数值方法在理论上研究了光折变晶体中的稳态矢量空间光孤子及有偏压光伏光折变晶体中光束的调制不稳定性；
Evolution of pulses obtained by modulating spatial optical solitons in a Kerr nonlinearity planar waveguide with anomalous dispersion is investigated.
分析研究了空间光孤子脉冲化后在反常群速色散的克尔非线性平面光波导中的传输特性和稳定性。
The analytic expression for the spatial screening photovoltaic bright solitons obtained under the weak light intensity agrees well with the results obtained by the numerical calculation.
在弱光强条件下得到了空间屏蔽光伏明孤子的解析解表达式，与运用数值计算的方法所得到的结果十分吻合。
We demonstrate the rotating properties of Bragg reflections and spatial lattice solitons in rotating photonic lattices by analyzing the linear and nonlinear propagations of light.
通过对旋转光子晶格中线性和非线性光波传输的分析，揭示了布拉格反射和晶格孤子的旋转特性。
We demonstrate the rotating properties of Bragg reflections and spatial lattice solitons in rotating photonic lattices by analyzing the linear and nonlinear propagations of light.
通过对旋转光子晶格中线性和非线性光波传输的分析，揭示了布拉格反射和晶格孤子的旋转特性。
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