Thermal metamaterials: From static to dynamic heat manipulation

Fan, Chunzhen; Wu, Chen-Long; Wang, Yuanyuan; Wang, Bin; Wang, Jun

doi:10.1016/j.physrep.2024.05.004

Cited by 2 publications

(1 citation statement)

References 323 publications

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“…PIT involves the manipulation of light transmission in metamaterials through the interaction of plasmonic resonances with constituent unit cells [7][8][9]. In the early stage, the constructed metamaterials primarily utilize the metallic or dielectric unit cells [10][11][12][13][14][15][16][17]. Recently, the combination of metamaterials with two-dimensional (2D) materials such as graphene and BP to realize PIT effect has attracted much attentions [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Tunable plasmon-induced transparency in anisotropic graphene-black phosphorus photonic device for high-performance sensors and switchers

Wang,

Xie,

Fan

2024

J. Phys. D: Appl. Phys.

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A novel photonic device composed of graphene and black phosphorus (G-BP) has been proposed, which achieves high-performance plasmon-induced transparency (PIT) effect within the THz range and maintains substantial tunability and anisotropy. The anisotropy of the PIT effect arises from the near-field coupling between two bright modes characterized by distinct effective electron masses of BP, resulting transparency window at 33.35 THz for TE polarization and at 26.92 THz for TM polarization. Through the modulation of Fermi energy in graphene, doping levels of BP and geometric parameters separately, a tunable transparency window is achieved. Notably, the convergence or divergence of the anisotropic transparency windows can be well manipulated with different BP doping levels. Furthermore, the proposed G-BP photonic device exhibits a high sensitivity to changes in the surrounding refractive index and substrates, with a maximum sensitivity of 12.04 THz/RI, rendering it suitable for sensor applications. Overall, the proposed photonic device exhibits notable PIT effects characterized by high anisotropic performance, substantial tunability, great sensitivity, and stability, making it a promising candidate for applications in sensors, polarizers, and switchers.

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