量子电子学报 ›› 2025, Vol. 42 ›› Issue (3): 369-380.doi: 10.3969/j.issn.1007-5461.2025.03.009

• 量子光学 • 上一篇    下一篇

基于遗传算法的多频段太赫兹类电磁诱导 透明超材料传感器的优化设计

葛宏义 1,2,3, 贾志远 1,2,3, 蒋玉英 1,2,4, 张 元 1,2,3*, 吴旭阳 1,2,3, 季晓迪 1,2,3, 孙振雨 1,2,3, 崔光远 1,2,3   

  1. 1 河南工业大学粮食信息处理与控制教育部重点实验室, 河南 郑州 450001; 2 河南工业大学河南省粮食光电探测与控制重点实验室, 河南 郑州 450001; 3 河南工业大学信息科学与工程学院, 河南 郑州 450001; 4 河南工业大学人工智能与大数据学院, 河南 郑州 450001
  • 收稿日期:2023-12-22 修回日期:2024-01-21 出版日期:2025-05-28 发布日期:2025-05-28
  • 通讯作者: E-mail: zhangyuan@haut.edu.cn E-mail:E-mail: zhangyuan@haut.edu.cn
  • 作者简介:葛宏义 ( 1983 - ), 安徽合肥人, 博士, 副教授, 硕士生导师, 主要从事先进传感技术、智能信息处理等方面的研究。 E-mail: gehongyi2004@163.com
  • 基金资助:
    国 家 自 然 科 学 基 金 (62271191, 61975053), 河 南 省 自 然 科 学 基 金 (222300420040), 河 南 省 重 点 科 技 计 划 项 目 (222102110246, 222103810072), 河南省高校科技创新人才计划项目 (23HASTIT024, 22HASTIT017)

Optimized design of multi⁃band terahertz electromagnetically induced transparency⁃like metamaterial sensor based on genetic algorithm

GE Hongyi 1,2,3 , JIA Zhiyuan 1,2,3 , JIANG Yuying 1,2,4 , ZHANG Yuan 1,2,3*, WU Xuyang 1,2,3 , JI Xiaodi 1,2,3 , SUN Zhenyu 1,2,3 , CUI Guangyuan 1,2,3   

  1. 1 Key Laboratory of Grain Information Processing and Control, Ministry of Education, Henan University of Technology, Zhengzhou 450001, China;  2 Henan Provincial Key Laboratory of Grain Photoelectric Detection and Control, Henan University of Technology, Zhengzhou 450001, China;  3 College of Information Science and Engineering, Henan University of Technology, Zhengzhou 450001, China;  4 School of Artificial Intelligence and Big Data, Henan University of Technology, Zhengzhou 450001, China
  • Received:2023-12-22 Revised:2024-01-21 Published:2025-05-28 Online:2025-05-28

摘要: 超材料的类电磁诱导透明 (EIT) 效应提供了一种独特的方法来增强光与物质的相互作用, 在高灵敏传感方 面显示出巨大的应用潜力。然而, 传统的太赫兹超材料优化方法主要依赖于研究者的经验, 如何快速优化并实现多 频段的高灵敏度仍然具有挑战性。针对以上问题, 本工作采用遗传算法, 设计并优化了一种具有类EIT效应的超材 料传感器, 通过三维电磁场仿真计算与遗传算法的结合实现参数的自动优化。结果表明, 使用遗传算法优化结构参 数可以减少大量重复的人工操作, 提高了设计效率。设计的传感器在0.3~1.5 THz频率范围内产生了三个类EIT透 明窗口, 通过衬底刻蚀的方法增强了电场与待测分析物的耦合, 显著提高了传感器的灵敏度。此外, 为验证所设计的 EIT超材料作为生物传感器的潜力, 还对农药分析物进行了模拟传感。结果表明该传感器能够通过共振频移辨别不 同折射率的物质, 并且具有多点特征匹配的优势, 在传感检测领域具有广阔的发展前景。

关键词: 光电子学, 太赫兹超材料, 类电磁诱导透明, 多频段, 高灵敏度

Abstract: Electromagnetically induced transparency (EIT) -like effects in metamaterials provide a unique approach to enhance the light-matter interactions, and demonstrates great potential in high-sensitivity sensing. However, the conventional optimization methods for terahertz metamaterials rely heavily on the researchers' experiences, so to achieve rapid optimization and high sensitivity across multiple frequency bands remains challenging. To address these challenges, a metamaterial sensor with EIT-like effect is designed and optimized in this work using genetic algorithm, and automatic optimization of parameters is achieved by combining three-dimensional electromagnetic field simulation calculations with genetic algorithms. The results demonstrate that utilizing genetic algorithm to optimize the structural parameters of the sensor can reduce a large number of repetitive manual operations and significantly improve the design efficiency. The designed sensor generates three EIT-like transparent windows in the 0.3–1.5 THz frequency range, and the coupling of the excited electric field with the analyte to be measured is enhanced by means of substrate etching, which significantly improves the sensitivity of the sensor. In addition, in order to verify the potential of the designed EIT metamaterial as a biosensor, simulation-based sensing experiments are conducted for detecting pesticide analytes. The results show that the sensor is able to distinguish substances with different refractive indexes by resonance frequency shift and has the advantage of multi-point feature matching, which has a promising development prospect in the field of sensing and detection.

Key words: optoelectronics, terahertz metamaterial, likely electromagnetically induced transparency, multi-frequency bands, high sensitivity

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