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Journal Articles Optics Letters Year : 2022

Design of a frequency-multiplexed metasurface with asymmetric transmission

Guanyu Shang
  • Function : Author
Chunsheng Guan
  • Function : Author
Kuang Zhang
Qun Wu
  • Function : Author
Jian Liu
  • Function : Author
Xuemei Ding
  • Function : Author
Haoyu Li
Xumin Ding

Abstract

Metasurfaces presenting diversified functionalities have broadened the prospect of manipulating the phase, amplitude, and polarization from the optical to microwave fields. Although the frequency-multiplexing strategy is one of the intuitive and effective approaches to expand the number of channels, demonstrations reporting on the combination between directional asymmetric transmission and frequency-multiplexing via an ultrathin flat device are limited. In this study, a novel, to the best of our knowledge, strategy is proposed to generate four independent holographic images under opposite illumination directions at two operating frequencies, utilizing a single metasurface composed of two types of metallic resonators and one grating layer. Specifically, each scattering channel with independent information makes full use of the whole metasurface. Simulation and experimental results show good agreement, highlighting the attractive capabilities of the multi-functional metasurface platform, which provides more freedom for the manipulation of electromagnetic waves.
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Dates and versions

hal-04177622 , version 1 (05-08-2023)

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Guanyu Shang, Chunsheng Guan, Kuang Zhang, Qun Wu, Jian Liu, et al.. Design of a frequency-multiplexed metasurface with asymmetric transmission. Optics Letters, 2022, 47 (17), pp.4504. ⟨10.1364/OL.464854⟩. ⟨hal-04177622⟩
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