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- Plane waves are absolutely stable against small modulations in self-defocusing media, the dark spatial solitons exist only in the form localized dark hole on the plane wave background. 在自散焦介质中,平面波的传播对小的调制扰动是绝对稳定的,暗空间孤子正是作为平面波背景上的一种局域暗迹而存在的。
- When the input site and corresponding power intensity of two dark spatial solitons change, the output site of the signal through coupling between the two soliton wave-guides changes also. 改变光孤子波导的背景强度，则信号光从器件偏转输出的位置不同。
- Based on the guidemode characters of dark spatial soliton waveguides and the theory of coupling between two waveguides, a kind of steerable all-optical directional coupler using dark spatial soliton waveguides is suggested. 摘要基于空间暗光孤子诱导波导的模式特性以及光波在波导间耦合理论，提出了一种实现光控可变定向耦合器的方法。
- dark spatial solitons 暗空间孤子
- A stable optical spatial soliton is found when the inp... 该结果与数值解基本一致。
- 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。
- This dissertation describes theoretical and experimental research on steady-state photorefractive spatial solitons. 本文主要对稳态光折变空间光孤子进行了理论和实验研究。
- Study on Interaction of Photorefractive Spatial Solitons Using Perturbative Variational Approach[J]. 引用该论文 陈守满;石顺祥;董洪舟.
- The propagation of nonlocal spatial solitons in nematic liquid crystals is studied experimentally. 通过实验对向列相液晶中的非局域空间光孤子的传输进行了研究。
- The linear focusing effect and linear defocusing effect on the interaction between spatial solitons have been studied by numerical simulation. 结果表明,线形聚焦效应增强了空间孤子之间的相互作用;
- We present a theory of photovoltaic(PV) spatial solitons(SS's), that includes the PV contribution of a background beam(BB). 提出了一个考虑背景光光伏效应贡献的光伏孤子理论;它指出在折射率变化为正的晶体中;既可产生光伏亮孤子;也可产生光伏暗孤子.
- 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。
- When the initial power equals the critical power, the hyperbolic secant shaped spatial soliton can be obtained approximately. 当初始功率等于临界功率时,可以近似得到双曲正割型空间孤子。
- The self-deflection process of bright photovoltaic spatial solitons in photovoltaic photorefractive media is investigated by taking into account diffusion effects. 利用微扰方法，通过考虑扩散效应的影响，分析了闭路光伏光折变晶体中的光伏明空间光孤子的自偏转特性。
- When the initial power equals the critical power, a stabile spatial soliton is obtained, and generally the beam width takes periodical contraction or diffraction. 当初始功率等于临界功率时,可以得到一个稳定的空间孤子,而一般情形下,束宽则作周期的压缩或展宽变化。
- Spatial soliton propagates steadily and indeformedly when Kerr effect changes very strong, and it Possesses the characteristics of ideal information carrier. 在考虑晶体克尔效应非常强时，空间孤子可以在光电晶体中稳定地、不变形的传输，具有理想信息载体的传输特性。
- Abstract: Neglecting the diffusion effect, the temperature dependence of the low-amplitude spatial soliton in the Centrosymmetric photorefractive crystal was discussed. 摘要： 在忽略扩散效应的条件下，讨论了中心对称光折变材料中低振幅空间孤子的温度特性。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- We discuss the conditions under which some polychromatic light photovoltaic spatial solitons can be formed in a photorefractive crystal with a positive perturbation refractive index. 以折射率改变为正的光伏晶体为例;讨论在其中形成双色光光伏空间孤子的条件.
