Abstract
An electromagnetically induced transparency (EIT) in metamaterial resonator with two bright modes and one dark mode at the terahertz (THz) band is numerically and experimentally demonstrated. Different from two kinds of the traditional passive modulations, our design can realize the passive modulation of EIT phenomenon by adding another bright mode resonator. Simulated and experimental results show that the transmission peak varies for incident THz waves with different polarization directions due to its asymmetric structure, which provides a novel way to realize high efficiency switch and modulation.
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This work has been supported by the National Basic Research Program of China (No.2014CB339800), the National Natural Science Foundation of China (Nos.61671491 and 61505088), the Natural Science Foundation of Tianjin (No.15JCQNJC02100), the Science and Technology Program of Tianjin (No.13RCGFGX01127), and the Specialized Research Fund for the Doctoral Program of Higher Education (No.20131201120004).
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Liu, Y., Chen, S., Fan, F. et al. Electromagnetically induced transparency in terahertz metamaterial based on two-bright-mode resonator. Optoelectron. Lett. 13, 95–99 (2017). https://doi.org/10.1007/s11801-017-6271-y
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DOI: https://doi.org/10.1007/s11801-017-6271-y