Realizing PIT-like transparency via the coupling of plasmonic dipole and ENZ modes | Zendy

Mao Miao | Zendy; Junqiao Wang | Zendy; Kaijun Mu | Zendy; Chunzhen Fan | Zendy; Yuanlin Jia | Zendy; Ran Li | Zendy; Shu Chen | Zendy; Erjun Liang | Zendy

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Realizing PIT-like transparency via the coupling of plasmonic dipole and ENZ modes

Author(s) -

Mao Miao,

Junqiao Wang,

Kaijun Mu,

Chunzhen Fan,

Yuanlin Jia,

Ran Li,

Shu Chen,

Erjun Liang

Publication year - 2022

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.450423

Subject(s) - plasmon , metamaterial , transmittance , materials science , electromagnetically induced transparency , optics , optoelectronics , extraordinary optical transmission , transparency (behavior) , coupling (piping) , dipole , surface plasmon , surface plasmon polariton , physics , computer science , computer security , metallurgy , quantum mechanics

Plasmon induced transparency (PIT), known as the coupling of plasmon modes in metamaterials, has attracted intensive research interests in photonic applications. In this work, a PIT-like transparency is realized via the strong coupling of plasmonic dipole and epsilon-near-zero (ENZ) mode. Two types of metasurfaces, namely the gold nanoantenna and dolmen-like metasurface, are designed with an integrated ENZ material aluminum doped zinc oxide (AZO) film. Simulations with the finite element method (FEM) demonstrate that single and double transparent windows are achieved respectively. The adjustments of the peak position and transmittance of transparent windows via the structure parameters and the AZO film thickness are further investigated. This work provides an alternative coupling scheme of realizing PIT-like transparency with simple metasurface design, and offers great potential for future metamaterial applications.

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