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汤国靖, 陈晓东, 董建文. 能谷光子晶体与拓扑光传输[J]. 物理, 2019, 48(6): 376-384. DOI: 10.7693/wl20190604
引用本文: 汤国靖, 陈晓东, 董建文. 能谷光子晶体与拓扑光传输[J]. 物理, 2019, 48(6): 376-384. DOI: 10.7693/wl20190604
TANG Guo-Jing, CHEN Xiao-Dong, DONG Jian-Wen. Valley photonic crystals and topological propagation of light[J]. PHYSICS, 2019, 48(6): 376-384. DOI: 10.7693/wl20190604
Citation: TANG Guo-Jing, CHEN Xiao-Dong, DONG Jian-Wen. Valley photonic crystals and topological propagation of light[J]. PHYSICS, 2019, 48(6): 376-384. DOI: 10.7693/wl20190604

能谷光子晶体与拓扑光传输

Valley photonic crystals and topological propagation of light

  • 摘要: 在传统光学原理框架下,高效光传输问题在集成光电子领域的发展受到了制约。人们希望从物理源头出发,提出新型原理机制或设计方法,来获得整体上的高保真光传输性能。这正好与近年兴起的拓扑光子学内涵相吻合。近年来,光子晶体和超构材料等多种电磁系统都被用于拓扑光子学的研究中,并受到了广泛关注。文章简要回顾拓扑光子学的发展历程,重点介绍能谷光子晶体的物理特性和最新研究进展,集中论述了电磁对偶能谷光子晶体的理论提出、能谷光子晶体分类与微波实验观测、硅基能谷光子晶体与光波段传输实现等方面。最后,将讨论该领域的未来,并展望其在微纳集成光子学领域的可能发展方向。

     

    Abstract: Within the framework of classical optics, high-efficiency light propagation is limited in integrated optoelectronics. An important objective is to realize high fidelity light propagation based on either a new optical principle or design. Topological photonics could fulfill this goal, and thus has attracted much attention in recent years and has been demonstrated in many different electromagnetic systems such as photonic crystals and metamaterials. In this paper we present a brief introduction to the recent development of topological photonics, and an overview of theoretical and experimental research on valley photonic crystals, including the proposal for electromagnetic-dual valley photonic crystals, the classification of valley photonic crystals, experimental observations at microwave wavelengths, and the realization of visible light propagation in silicon-on-insulator photonic crystal slabs. Finally, we take a look at topological photonics, especially the realm of topological nanophotonics.

     

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