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Directional Decomposition of the Electromagnetic Field in Integrated Optics

机译:集成光学中电磁场的方向分解

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摘要

In integrated optics there is a growing interest in the use of parabolic wave equations for modeling electromagnetic waves in waveguiding structures (e.g. Beam Propagation Method). In this field, particular attention must be paid to the wide-angle approximation, (multiple) back reflections and polarization interaction. To account for these we consider the technique of the directional wave field decomposition, which has been recently developed for acoustic waves in fluids. The latter method makes use of the pseudo-differential operator calculus. In this paper the construction of optimal sparse matrix representations for pseudo-differential operators will be discussed.
机译:在集成光学中,人们越来越关注使用抛物线波动方程来建模波导结构中的电磁波(例如,光束传播方法)。在这一领域,必须特别注意广角近似,(多次)背反射和偏振相互作用。为了解决这些问题,我们考虑了定向波场分解技术,该技术最近已针对流体中的声波开发。后一种方法利用了伪微分算子。在本文中,将讨论伪微分算子的最佳稀疏矩阵表示的构造。

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