Design, Fabrication, and Modulation of THz Bandpass Metamaterials,Laser & Photonics Reviews

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Design, Fabrication, and Modulation of THz Bandpass Metamaterials
Laser & Photonics Reviews ( IF 9.8 ) Pub Date : 2019-10-14 , DOI: 10.1002/lpor.201900071
Qinghua Wang ₁ , Bingtao Gao ₂ , Michaella Raglione ₃ , Huixin Wang _{1,

4} , Baojia Li ₅ , Fatima Toor ₂ , Mark A. Arnold ₃ , Hongtao Ding ₁

Affiliation

Development of terahertz (THz) sources, detectors, and optical components has been an active area of research across the globe. The interest in THz optoelectronics is driven by the various applications they have enabled, such as ultrawide‐band communication systems, air‐ and space‐borne astronomy, atmospheric monitoring, small‐scale radar, airport security scanners, ultrafast nanodevices, and biomedical imaging and sensing. Here, the aim is to provide a comprehensive review of THz bandpass metamaterials focusing on several areas. First, the design fundamentals and geometrical patterns of THz bandpass metamaterials are summarized. Second, fabrication methods of THz bandpass metamaterials are reviewed, including typical micro‐ and nanofabrication techniques and laser micromachining techniques. More importantly, different engineering methods are reviewed for tuning and modulation of the THz transmission resonance for these metamaterials. Both passive and active modulation methods are included in this discussion; the passive method involves changes in the geometrical pattern of the filter material, and the active method performs in situ modulation of properties by applying an external physical field. Finally, the potential applications and prospects for future research of THz bandpass metamaterials are discussed.

中文翻译：

太赫兹带通超材料的设计，制造和调制

太赫兹（THz）光源，探测器和光学组件的开发一直是全球研究的活跃领域。太赫兹光电技术的兴趣是由它们已启用的各种应用驱动的，例如超宽带通信系统，空天体天文学，大气监测，小型雷达，机场安全扫描仪，超快纳米设备以及生物医学成像和感应。在此，我们的目的是对THz带通超材料进行全面综述，重点关注几个领域。首先，概述了太赫兹带通超材料的设计基础和几何图案。其次，回顾了太赫兹带通超材料的制造方法，包括典型的微米和纳米制造技术以及激光微加工技术。更重要的是，对这些超材料的THz传输共振的调谐和调制，审查了不同的工程方法。讨论中包括无源和有源调制方法。被动方法涉及过滤材料几何形状的变化，而主动方法则通过施加外部物理场来进行特性的原位调制。最后，讨论了太赫兹带通超材料的潜在应用和未来研究的前景。主动方法通过施加外部物理场来进行特性的原位调制。最后，讨论了太赫兹带通超材料的潜在应用和未来研究的前景。主动方法通过施加外部物理场来进行特性的原位调制。最后，讨论了太赫兹带通超材料的潜在应用和未来研究的前景。

更新日期：2019-10-14

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