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Analog computing by Brewster effect

机译:布鲁斯特效应的模拟计算

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Optical computing has emerged as a promising candidate for real-time and parallel continuous data processing. Motivated by recent progresses in metamaterial-based analog computing [Science 343, 160 (2014)], we theoretically investigate the realization of two-dimensional complex mathematical operations using rotated configurations, recently reported in [Opt. Lett. 39, 1278 (2014)]. Breaking the reflection symmetry, such configurations could realize both even and odd Green's functions associated with spatial operators. Based on such an appealing theory and by using the Brewster effect, we demonstrate realization of a first-order differentiator. Such an efficient wave-based computation method not only circumvents the major potential drawbacks of metamaterials, but also offers the most compact possible device compared to conventional bulky lens-based optical signal and data processors. (C) 2016 Optical Society of America
机译:光学计算已成为实时和并行连续数据处理的有希望的候选者。基于基于超材料的模拟计算的最新进展[Science 343,160(2014)],我们从理论上研究了使用旋转配置实现二维复杂数学运算的方法,最近在[Opt。来吧39,1278(2014)]。这样的配置打破了反射对称性,可以实现与空间算子相关的偶数和奇数格林函数。基于这种吸引人的理论,并通过使用布鲁斯特效应,我们证明了一阶微分器的实现。与传统的笨重的基于镜头的光信号和数据处理器相比,这种有效的基于波的计算方法不仅避免了超材料的主要潜在缺陷,而且还提供了最紧凑的设备。 (C)2016美国眼镜学会

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