Photonics Research, 2021, 9 (1): 01000073, Published Online: Apr. 1, 2021  

Plasmonic evolution maps for planar metamaterials Download: 705次

Author Affiliations
1 Institute of Micro-nano Photonics & Beam Steering, School of Science, Nanjing University of Science and Technology, Nanjing 210094, China
2 Centre for Disruptive Photonic Technologies, The Photonics Institute, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
3 College of Physics and Electronic Information Science, Tianjin Normal University, Tianjin 300387, China
4 e-mail: jly@njust.edu.cn
5 e-mail: zexiang@ntu.edu.sg
Abstract
Understanding the mode’s origin in planar metamaterials is fundamental for related applications in nanophotonics and plasmonics. For complex planar metamaterials, conventional analysis that directly obtains the final charge/current distribution of a mode is usually difficult in helping to understand the mode’s origin. In this paper, we propose a mode evolution method (MEM) with a core analysis tool, i.e., plasmonic evolution maps (PEMs), to describe the mode evolution in several complementary planar metamaterials with designed plasmonic atoms/molecules. The PEMs could not only clearly explain a mode’s origin, but also reveal the role of a structure’s symmetry in the mode formation process. The MEM with PEMs can work as a simple, efficient, and universal approach for the mode analysis in different kinds of planar metamaterials.

Liyong Jiang, Jianli Jiang, Zebin Zhu, Guanghui Yuan, Ming Kang, Ze Xiang Shen. Plasmonic evolution maps for planar metamaterials[J]. Photonics Research, 2021, 9(1): 01000073.

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