Hyperband Synergistic Metadevices

Jin Zhang*, Peng Liu, Zhenyu Xu, Yawei Dai, Qiang Zhang, Weiren Zhu, Esko I. Kauppinen, Zhipei Sun*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Recent advances in metadevices, featuring complex subwavelength metastructures, have dramatically transformed the control and manipulation of electromagnetic waves. However, the inherently narrow operational bandwidth of these devices, stemming from their wavelength-specific meta-atoms, restricts their application in rapidly advancing fields such as the Internet of Things and advanced intelligent systems. Here, a novel hyperband synergistic metadevice is introduced, realized through a comprehensive multi-scale meta-atom architecture. The complementary metal-oxide-semiconductor (CMOS)-compatible prototype integrates the distinct properties of double-walled carbon nanotubes with advanced interlayer and intralayer coupling mechanisms, coherently combining nanoscale, microscale, and macroscale meta-atoms. This prototype is thus adept at operating across a wide electromagnetic spectrum, spanning from the centimeter-wavelength microwave band to the hundred nanometer-wavelength visible and infrared optical band. Significantly, this singular device synergistically delivers three critical functionalities: selective microwave absorption, efficient terahertz beam steering, and enhanced optical transparency. These result signifies a breakthrough in hyperband electromagnetic device engineering, leading to compact, versatile, intelligent electromagnetic platforms.

Original languageEnglish
JournalADVANCED OPTICAL MATERIALS
DOIs
Publication statusE-pub ahead of print - 9 Aug 2024
MoE publication typeA1 Journal article-refereed

Keywords

  • carbon nanotubes
  • electromagnetics
  • metamaterials
  • optics
  • terahertz

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