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Journal Articles Nanophotonics Year : 2020

Dual-polarized multiplexed meta-holograms utilizing coding metasurface

Chunsheng Guan
  • Function : Author
Jian Liu
  • Function : Author
Xumin Ding
  • Function : Author
Zhuochao Wang
  • Function : Author
Kuang Zhang
  • Function : Author
Haoyu Li
  • Function : Author
Ming Jin
  • Function : Author
Qun Wu
  • Function : Author


Abstract In this paper, a novel method is proposed to achieve two distinct information channels by simultaneously manipulating both the transmitted cross- and co-polarized components of a 1-bit coding metasurface under linearly polarized incidence. Compared to previously demonstrated incidence-switchable or position multiplexed holograms, our proposed coding meta-hologram can simultaneously project two independent holographic images without inevitable change of the incidence state and can at the same time also avoid crosstalk between different channels. Moreover, the orientation of the double-layered split ring (SR) apertures is specially designed to be 45° or 135° to achieve identical multiplexed functionality for both x -polarized and y -polarized incidences. The proof-of-concept experimental demonstrations present total transmittance efficiency above 30% for the dual linearly polarized incidences at 15 GHz, and good imaging performances with 53.98%/48.18% imaging efficiency, 1.55%/1.46% RMSE, and 29.9/28.72 peak signal-to-noise ratio for the cross-/co-polarized channels under y -polarized incidence, and 47.27%/45.75% imaging efficienc y , 1.55%/1.43% RMSE, and 18.74/25.93 peak signal-to-noise ratio under x -polarized incidence, demonstrating great potential of the proposed multiplexed coding meta-hologram in practical applications such as data storage and information processing.
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Dates and versions

hal-04214267 , version 1 (15-01-2024)



Chunsheng Guan, Jian Liu, Xumin Ding, Zhuochao Wang, Kuang Zhang, et al.. Dual-polarized multiplexed meta-holograms utilizing coding metasurface. Nanophotonics, 2020, 9 (11), pp.3605-3613. ⟨10.1515/nanoph-2020-0237⟩. ⟨hal-04214267⟩
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