周期性可调谐双波段太赫兹电磁诱导扭曲四聚体超表面的透明度。

IF 3.3 2区物理与天体物理 Q2 OPTICS

Optics express Pub Date : 2025-09-08 DOI:10.1364/OE.570687

Hongji Xu, Zhenyu Zhao, Rajour Tanyi Ako, Sharath Sriram, Jun Wang

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引用次数: 0

摘要

扭曲光学的快速发展正在推动扭曲光子结构超表面的边界。在此，我们提出了一个四聚体配置的扭曲双裂环谐振器（DSRRs）的随机森林算法。展示周期性可调极化不敏感电磁感应透明度（EIT）的机器学习方法。实验数据表明，在太赫兹区存在高质量的因子准束缚态（quasi-BIC）。通过耦合洛伦兹振子（CLO）模型揭示了多极子对EIT和BIC效应的影响。我们的结果显示了一种在环境条件下调谐太赫兹EIT和BIC效应的新方法。

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Periodically tunable dual band terahertz electromagnetically-induced transparency of twisted tetramer metasurface.

Rapid growth in twist-optics is pushing the boundaries of metasurfaces of twisted photonic structures. Herein, we propose a tetramer-configured metasurface of twisted double split-ring resonators (DSRRs) by a random forest algorithm. A machine learning approach that exhibits periodically tunable polarization-insensitive electromagnetically induced transparency (EIT). The experimental data show a high-quality factor quasi-bound states in the continuum (quasi-BIC) in the terahertz regime. The role of multipoles on EIT and BIC effects is revealed by the coupled Lorentz oscillators (CLO) model. Our results manifest a new approach to tuning the terahertz EIT and BIC effect at ambient conditions.

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来源期刊

Optics express 物理-光学

CiteScore

6.60

自引率

15.80%

发文量

5182

审稿时长

2.1 months

期刊介绍： Optics Express is the all-electronic, open access journal for optics providing rapid publication for peer-reviewed articles that emphasize scientific and technology innovations in all aspects of optics and photonics.