ReviewFrontiers of optoelectronics2021
Polarization-sensitive and active controllable electromagnetically induced transparency in U-shaped terahertz metamaterials.
Review in Frontiers of optoelectronics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Switchable and Tunable Terahertz Metamaterial Based on Vanadium Dioxide and Photosensitive Silicon.Nanomaterials (Basel, Switzerland) · 2023Article
- Preface to the special issue on "Recent Advances in Optical Metasurfaces".Frontiers of optoelectronics · 2021Article
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5 authors.
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Abstract
Electromagnetically induced transparency (EIT) phenomenon is observed in simple metamaterial which consists of concentric double U-shaped resonators (USRs). The numerical and theoretical analysis reveals that EIT arises from the bright-bright mode coupling. The transmission spectra at different polarization angle of incident light shows that EIT transparency window is polarization sensitive. More interestingly, Fano resonance appears in the transmission spectrum at certain polarization angles. The sharp and asymmetric Fano lineshape is high valuable for sensing. The performance of sensor is investigated and the sensitivity is high up to 327 GHz/RIU. Furthermore, active control of EIT window is realized by incorporating photosensitive silicon. The proposed USR structure is simple and compact, which may find significant applications in tunable integrated devices such as biosensor, filters, and THz modulators.
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