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Systematic design study of waveguides and waveguide bends in diamond-structured photonic crystals
Journal of the Optical Society of America B ( IF 1.8 ) Pub Date : 2021-02-19 , DOI: 10.1364/josab.411602
Amit Vishnoi 1 , Rina Mudi 1 , Kapil Debnath 1
Affiliation  

The lack of a systematic design strategy to precisely control bending and guiding of photons in three dimensions, as well as the requirement of advancements in the fabrication technology for realizing large-area, defect-free three-dimensional (3D) photonic crystals, has been the main hurdle toward exploiting the potential of three-dimensional photonic crystals. Here, we demonstrate a new, to the best of our knowledge, design methodology for 3D waveguides and bends in diamond-structured photonic crystals. The manipulation of photons in 3D by incorporating two combinations of four different linear defect configurations in two different photonic crystal topologies of a diamond lattice, namely rod-connected diamond and inverse-rod-connected diamond, has been successfully demonstrated. We have also shown 90-deg waveguide bends with near zero dB bending loss.

中文翻译:

金刚石结构光子晶体中波导和波导弯曲的系统设计研究

缺乏系统的设计策略来精确地控制三维光子的弯曲和导向,以及对实现大面积,无缺陷的三维(3D)光子晶体的制造技术的要求不断提高。开发三维光子晶体潜力的主要障碍。在这里,我们将尽我们所知展示一种用于钻石结构光子晶体中3D波导和弯曲的新设计方法。通过在金刚石晶格的两种不同光子晶体拓扑中,即棒状连接的金刚石和逆棒状连接的金刚石,结合四种不同的线性缺陷构型的两种组合,对3D中的光子进行了操纵。
更新日期:2021-03-01
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