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首页> 外文会议>NATO Advanced Study Institute on Soliton-driven Photonics Sep 24-Oct 4, 2000 Swinoujscie, Poland >FEATURES AND APPLICATIONS OF χ~(2) VECTOR SPATIAL SOLITONS
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FEATURES AND APPLICATIONS OF χ~(2) VECTOR SPATIAL SOLITONS

机译：χ〜（2）向量空间孤子的特征和应用

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摘要

Although nearly a quarter of a century has elapsed from the first theoretical prediction of quadratic optical solitons, a large interest has been conveyed to the topic only during the last decade, partially due to a mature understanding of χ ~(2) cascaded processes in second harmonic generation (SHG) . After the first experimental demonstration of quadratic spatial solitons (QSS's) in KTP by Tonuellas et al., a considerable amount of theoretical as well as experimental work has been performed, as apparent in this Volume. Hereby we will provide a brief―and by no means exhaustive―overview of the peculiarities of QSS associated to Type Ⅱ phase-matched processes such as SHG and parametric amplification. In doing so, we will also point out some QSS-based all-optical applications in the frame of reconfigurable optical networks for communications and computing. In particular, we will illustrate bidimensional optical steering and switching, schemes for polarization-controlled cross connects and optical logic gates, beam regeneration. After a brief introduction to vectorial QSS in para 1.1, we will discuss coherent and incoherent control, steering and interactions in para. 2. In para. 3 we will address QSS's via parametric amplification in the frequency degenerate case.
机译：尽管对二次光学孤子的第一个理论预测已经过去了将近四分之一个世纪，但仅在最近十年中，人们才对该主题产生了浓厚的兴趣，部分原因是由于对第二代χ〜（2）级联过程的成熟理解谐波产生（SHG）。在Tonuellas等人对KTP中的二次空间孤子（QSS）进行首次实验演示之后，已进行了大量的理论和实验工作，如本卷中所述。在此，我们将简要（绝不详尽）概述与Ⅱ型相匹配过程（例如SHG和参数放大）相关的QSS的特殊性。通过这样做，我们还将在可重配置的光网络框架中指出一些基于QSS的全光应用，以用于通信和计算。特别是，我们将说明二维光学控制和切换，偏振控制交叉连接和光学逻辑门的方案，光束再生。在第1.1段中对向量QSS进行了简要介绍之后，我们将在第3节中讨论相干和不相干的控制，控制和交互。 2.在第。 3我们将在频率退化的情况下通过参数放大解决QSS的问题。

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