首页> 外文期刊>Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic >Propagation of an Airy-Gaussian vortex beam in defected photonic lattices
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Propagation of an Airy-Gaussian vortex beam in defected photonic lattices

机译:通风高斯涡旋梁在叛逃的光子晶格中的传播

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We investigate numerically the propagation of an Airy-Gaussian vortex (AiGV) beam in the defected photonic lattices. The propagation properties of the AiGV beam are affected by positive and negative defects. Interestingly, we find that the intensity distribution of the AiGV beam focuses on the position of the defect and then forms a lattice soliton for the positive defect. On the contrary, the AiGV beam is diffused for the negative defect. The higher value the defected depth is, the more energy can be constrained by the positive defect and the shorter transmission distance for the beam forming a lattice soliton is. And the effect of nonlinear is smaller than the effect of defects. Moreover, by changing the effects of nonlinearity, the lattice modulation depth, the defect depth and the distribution factor, we can control the propagation distance for the AiGV beam focusing for the positive defect. (C) 2017 Elsevier GmbH. All rights reserved.
机译:我们在数量上调查了veraty-Gaussian涡流(AIGV)梁在缺陷的光子晶格中的传播。 AIGV光束的传播特性受正面和负缺陷的影响。 有趣的是,我们发现AIGV光束的强度分布聚焦在缺陷的位置,然后形成用于阳性缺陷的格子孤子。 相反,AIGV光束被扩散用于负面缺陷。 偏差深度的值越高,能量越多,积极的缺陷和形成格子孤子的光束的较短传输距离是。 非线性的效果小于缺陷的效果。 此外,通过改变非线性,晶格调制深度,缺陷深度和分布因子的效果,我们可以控制专注于积极缺陷的AIGV光束的传播距离。 (c)2017年Elsevier GmbH。 版权所有。

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