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 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。
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。
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