Topological photonic crystals: a review

Frontiers of Optoelectronics volume 13, pages50–72(2020)Cite this article

Abstract

The field of topological photonic crystals has attracted growing interest since the inception of optical analog of quantum Hall effect proposed in 2008. Photonic band structures embraced topological phases of matter, have spawned a novel platform for studying topological phase transitions and designing topological optical devices. Here, we present a brief review of topological photonic crystals based on different material platforms, including all-dielectric systems, metallic materials, optical resonators, coupled waveguide systems, and other platforms. Furthermore, this review summarizes recent progress on topological photonic crystals, such as higherorder topological photonic crystals, non-Hermitian photonic crystals, and nonlinear photonic crystals. These studies indicate that topological photonic crystals as versatile platforms have enormous potential applications in maneuvering the flow of light.

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Acknowledgements

This work was supported by the National Key R&D Program of China (Nos. 2018YFA0306200, and 2017YFA0303702) and the National Natural Science Foundation of China (Grant Nos. 11625418, 51732006, and 11890700), as well as the Academic Program Development of Jiangsu Higher Education (PAPD).

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Affiliations

  1. National Laboratory of Solid State Microstructures and Department of Materials Science and Engineering, Nanjing University, Nanjing, 210093, China

    Hongfei Wang, Samit Kumar Gupta, Biye Xie & Minghui Lu

  2. Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China

    Minghui Lu

  3. Jiangsu Key Laboratory of Artificial Functional Materials, Nanjing University, Nanjing, 210093, China

    Minghui Lu

Authors
  1. Hongfei Wang
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  2. Samit Kumar Gupta
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  3. Biye Xie
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  4. Minghui Lu
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Correspondence to Minghui Lu.

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Hongfei Wang is a Ph.D. candidate in the Department of Materials Science and Engineering at Nanjing University. He spent his bachelor time at Anhui University during 2011–2015. His research topics include topological photonics, non-Hermitian photonics, and computational physics.

Dr. Samit Kumar Gupta received his Ph.D. in 2016 from the Department of Physics, Indian Institute of Technology Guwahati, India. Afterward, in 2017 he joined the College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Nanjing University as a Postdoc Fellow. His research interests include fundamental and applied aspects of nonlinear optics, nonlinear waves, non-Hermitianp hysics, and topological photonics.

Dr. Biye Xie spent his bachelor time at the University of Science and Technology of China. He received his Ph.D. degree in Physics from the University of Hong Kong, China. His research interest includes topological photonics, topological phononics, metamaterials, and quantum information.

Prof. Minghui Lu received his Ph.D. degree from Nanjing University in 2007. He is an Associate Professor at Nanjing University since 2009 and a Professor in 2013. He had been a visiting scholar at SIMES, Stanford University during 2011–2012. His current research interests mainly focus on fundamental study of photonic and acoustic artificial structures and metamaterials as well as their related applications.

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Wang, H., Gupta, S.K., Xie, B. et al. Topological photonic crystals: a review. Front. Optoelectron. 13, 50–72 (2020). https://doi.org/10.1007/s12200-019-0949-7

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Keywords

  • topological photonic crystals
  • topological phase transitions
  • non-Hermitian photonics
  • higher-order topological photonic crystals