Steady bound electromagnetic eigenstate arises in a homogeneous isotropic linear metamaterial with zero-real-part-of-impedance and nonzero-imaginary-part-of-wave-vector

Chen, Jiangwei; Dai, Yuyao; Lin, Yi-Zhen; Zhao, Huimin

doi:10.1016/j.optcom.2017.12.033

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Cited by 8 publications

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“…In the range of 0.300 THz ∼ 0.420 THz, the effective impedance of metamaterials is close to zero. Electromagnetic waves could stop or be stored when the real part of the impedance is near zero [17]. Figure 2(c) is the effective permittivity of the metamaterial, and Fig.…”

Section: Metamaterials and Designmentioning

confidence: 99%

A Terahertz Demultiplexer Based on Metamaterials Applied to Terahertz Communication Systems

Wu¹,

Zhang²,

Ma³

et al. 2021

PIER Letters

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This paper proposes a novel terahertz demultiplexer based on metamaterials. Its surface metal structure comprises double U-shaped structures and a rectangular wire. The demultiplexer can separate terahertz of 0.225 THz and 0.410 THz, with high isolations of 41 dB and 38 dB, low insertion losses of 0.07 dB and 0.11 dB, and stable group delays of 3.5 ps and 3.8 ps at the center frequency, respectively. The equivalent parameters of metamaterials are simulated, and the electric field, current, and power distribution characteristics at operating frequency points are analyzed. This metamaterial is easy to process and is expected to be applied in future 6G wavelength division multiplexing systems.

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Section: Metamaterials and Designmentioning

confidence: 99%