非线性光子晶格中的离散带间相互聚焦
Discrete interband mutual focusing in nonlinear photonic lattices.
作者信息
Rosberg Christian, Hanna Brendan, Neshev Dragomir, Sukhorukov Andrey, Krolikowski Wieslaw, Kivshar Yuri
出版信息
Opt Express. 2005 Jul 11;13(14):5369-76. doi: 10.1364/opex.13.005369.
PMID:19498531
Abstract
We study nonlinear coupling of mutually incoherent beams associated with different Floquet-Bloch waves in a one-dimensional optically-induced photonic lattice. We demonstrate experimentally how such interactions lead to asymmetric mutual focusing and, for waves with opposite diffraction properties, to simultaneous focusing and defocusing as well as discreteness-induced beam localization and reshaping effects.
摘要
我们研究了一维光诱导光子晶格中与不同弗洛凯 - 布洛赫波相关的相互非相干光束的非线性耦合。我们通过实验证明了这种相互作用如何导致不对称的相互聚焦，并且对于具有相反衍射特性的波，还会导致同时聚焦和散焦以及离散诱导的光束局域化和重塑效应。
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