電漿子超穎介面具有利用簡單的製程即可達成在次波長尺度下調控光特性的優勢。然而，光與金屬結構交互作用後易產生熱損耗，這使得電漿子超穎介面在高效率穿透式元件的應用上受到了極大的限制。此外，由於大多數的共振模態只能在特定波長下被激發，因此也造成了電漿子超穎介面頻寬窄的缺點。為了克服電漿子超穎介面低效率與窄頻的問題，本研究藉由將廣義惠更斯源的概念引入巴比涅形式的混合式雙層共振器以提高電漿子超穎介面的效率，並且利用如同光柵的多重耦合共振器結構引發混合模態生成，實現於近紅外波段下寬頻高效率的電漿子超穎介面，其中的光束偏轉器應用在模擬的效率與頻寬分別達到32.6%與30.8%，大大突破了已發表文獻中電漿子超穎介面的效能。另外，我們也將混合式雙層結構的設計延伸至可見光波段應用，配合結構交錯式超穎介面的方法達到可見光下寬頻之超穎全像，並且藉由幾何相位法進一步調控全像影像之偏振，實現全彩之偏振調控超穎全像的應用。我們的研究利用簡單的製程步驟即可獲得寬頻高效率之穿透式電漿子超穎元件，為先進光電設備與微型元件的開發提供了良好的發展平台。

Plasmonic metasurfaces are capable of manipulating the light properties at sub-wavelength scale with the advantage of easy fabrication. However, metallic nanostructures severely suffer from the intrinsic optical loss that highly limits the application of plasmonic metasurfaces in transmission. In addition, the resonant modes can usually be excited at certain frequencies, which brings about the narrow working bandwidth. In this work, we incorporate the concept of generalized Huygens' source and plasmonic hybridization with hybrid bilayer multi-resonators to realize highly-transmissive broadband plasmonic metasurfaces in the near-infrared range. The developed beam deflector achieves anomalous refraction with 32.6% optical efficiency and a 30.8% bandwidth of the central wavelength in simulation, which is a state-of-the-art performance in the community to the best of our knowledge. Moreover, based on an interleaved metasurface, we accomplish a broadband meta-hologram with full-polarization channels in visible window via geometric-phase hybrid bilayer single-resonators. Our work features a simple fabrication process to achieve high-performance broadband metasurfaces in transmission, which can be promisingly extended to the development of low-profile optical components and integrated optoelectronic devices.

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