Electromagnetically induced transparency like transmission in a metamaterial composed of cut-wire pairs with indirect coupling

Abstract

We theoretically and numerically investigate metamaterials composed of coupled resonators with indirect coupling. First, we theoretically analyze a mechanical model of coupled resonators with indirect coupling. The theoretical analysis shows that an electromagnetically induced transparency (EIT)-like phenomenon with a transparency bandwidth narrower than the resonance linewidths of the constitutive resonators can occur in the metamaterial with strong indirect coupling. We then numerically examine the characteristics of the metamaterial composed of coupled cut-wire pairs using a finite-difference time-domain (FDTD) method. The FDTD simulation confirms that an EIT-like transparency phenomenon occurs in the metamaterial owing to indirect coupling. Finally, we compare the results of the theoretical and numerical analyses. The behavior of the EIT-like metamaterial is found to be well described by the mechanical model of the coupled resonators.

7 pages, 7 figures

References in corpus (5)

• Classical Analogue of Electromagnetically Induced Transparency with a Metal-Superconductor Hybrid Metamaterial
• Large group delay in a microwave metamaterial analogue of electromagnetically induced transparency
• Observation of flat band for terahertz spoof plasmon in metallic kagomé lattice
• Enhancement of second harmonic generation in a doubly resonant metamaterial
• Electromagnetic response of a metamaterial with field-gradient-induced transparency

Cited by in corpus (5)

• A linear-to-circular polarization converter with half transmission and half reflection using a single-layered metamaterial
• Resolution of hyperfine transitions in metastable 83Kr using Electromagnetically Induced Transparency
• Microplasma generation by slow microwave in an electromagnetically induced transparency-like metasurface
• Broadband control of group delay using the Brewster effect in metafilms
• Low-power threshold gas discharge by enhanced local electric field in electromagnetically-induced-transparencylike metamolecules