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Design of polarization splitter and rotator using function-expansion based topology optimization considering two-layer structure

机译:考虑两层结构的基于功能扩展的拓扑优化设计偏振分束器和旋转器

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Function expansion based topology optimization method for optical waveguide devices has been proposed as an automatic design method which can produce an optimal device structure having an arbitrary topology. In this paper, we aim to extend the function expansion based topology optimization method to the design problems of three-dimensional photonic devices with structural variation in the depth direction. We confirm the effectiveness of our approach through the design example of the polarization splitter and rotator which utilizes structural asymmetry in the depth direction.
机译:已经提出了一种用于光波导器件的基于功能扩展的拓扑优化方法,作为可以产生具有任意拓扑的最优器件结构的自动设计方法。在本文中,我们旨在将基于功能扩展的拓扑优化方法扩展到在深度方向上具有结构变化的三维光子器件的设计问题。我们通过在深度方向上利用结构不对称性的偏振分束器和旋转器的设计实例,证实了我们方法的有效性。

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