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arXiv 1202.0215physics.opticsnlin.PS
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从一维到二维安德森局域化的渐变观察

Observation of the gradual transition from one-dimensional to two-dimensional Anderson localization

U. Naether, Y. V. Kartashov, V. A. Vysloukh, S. Nolte, A. Tunnermann, L. Torner, A. Szameit

摘要:

我们研究了无序波导阵列的维数变换后从一维到二维安德森局域化的逐渐过渡。通过增加形成阵列的行的数量来实现从一维系统到二维系统的有效过渡。我们观察到,对于一个给定的无序水平,安德森局域化变得越来越弱的行数,因此有效的尺寸。

英文摘要:

We study the gradual transition from one-dimensional to two-dimensional Anderson localization upon transformation of the dimensionality of disordered waveguide arrays. An effective transition from one- to two-dimensional system is achieved by increasing the number of rows forming the arrays. We observe that, for a given disorder level, Anderson localization becomes weaker with increasing number of rows, hence the effective dimension.

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