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Surface wave provides unique applications ranging from biological sensing, deep-subwavelength lasing to plasmonic circuits. Seeking new approaches for controlling surface wave is highly desired in future integrated photonic devices. Here, we develop a versatile platform based on metasurfaces for the launch and control of propagating surface wave in the terahertz frequency regime.
Metasurface, as a kind of metamaterials with only one or two layers of functional structures, has arouses a world-wide research enthusiasm during the past several years. Especially, recent studies on metasurfaces working in the terahertz regime has partly fullfilled the emergent lack for the terahertz devices, which is a long-term bottleneck on the terahertz science and technology. Until now, most...
Plasmon-induced transparency in terahertz metamaterials markedly modifies the dispersive properties of an otherwise opaque medium and reveals unprecedented prospects on novel functional components. However, plasmon-induced transparency in metamaterials so far exists in a narrow frequency band or without actively tunable abilities. Here, we demonstrate optical control of a broadband plasmon-induced...
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