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作者:

Zhang, Jianan (Zhang, Jianan.) | You, Jian Wei (You, Jian Wei.) | Feng, Feng (Feng, Feng.) | Na, Weicong (Na, Weicong.) | Lou, Zhuo Chen (Lou, Zhuo Chen.) | Zhang, Qi-Jun (Zhang, Qi-Jun.) | Cui, Tie Jun (Cui, Tie Jun.)

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EI Scopus SCIE

摘要:

Metasurfaces find a wide variety of applications in the last decades due to their powerful ability to manipulate electromagnetic (EM) waves. Traditional approaches for metasurface design require massive full-wave EM simulations to achieve optimal geometrical parameter values, resulting in an inefficient design process of metasurfaces. In this article, we propose a physics-driven machine-learning (ML) approach incorporating temporal coupled mode theory (CMT) to improve the design efficiency and implement an intelligent design of metasurfaces. In the proposed approach, a surrogate model (i.e., neuro-CMT model) is developed to speed up the prediction of EM responses of metasurfaces. A three-stage method is used to develop the neuro-CMT model. First, we perform full-wave EM simulations of unit cells only containing single- and double-resonators for different geometrical design parameter values. Second, we extract the single- and double-resonator CMT parameters for each geometrical parameter value by fitting the corresponding EM responses based on CMT equations. Third, we train neural networks to learn the relationships between the CMT parameters and geometrical parameters for single- and double-resonator systems, respectively. These trained neural networks, in conjunction with the multiresonator CMT equation, become an efficient tool to accurately predict the EM responses of any arbitrary coupled multiresonator systems. The proposed neuro-CMT model can be further utilized for metasurface design optimizations. Two metasurface absorbers are given as examples to demonstrate the efficient and intelligent advantages of our proposed approach.

关键词:

temporal coupled mode theory (CMT) EM optimization metasurface design Electromagnetic (EM) parametric modeling physics-driven machine-learning (ML)

作者机构:

  • [ 1 ] [Zhang, Jianan]Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
  • [ 2 ] [You, Jian Wei]Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
  • [ 3 ] [Lou, Zhuo Chen]Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
  • [ 4 ] [Cui, Tie Jun]Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
  • [ 5 ] [Feng, Feng]Tianjin Univ, Sch Microelect, Tianjin 300072, Peoples R China
  • [ 6 ] [Na, Weicong]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 7 ] [Zhang, Qi-Jun]Carleton Univ, Dept Elect, Ottawa, ON K1S 5B6, Canada

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来源 :

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES

ISSN: 0018-9480

年份: 2023

期: 7

卷: 71

页码: 2875-2887

4 . 3 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:19

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