Helicity multiplexed broadband metasurface holograms

Dandan Wen, Fuyong Yue, Guixin Li, Guoxing Zheng, Kinlong Chan, Shumei Chen, Ming Chen, King Fai Li, Polis Wing Han Wong, Kok Wai Cheah, Edwin Yue Bun Pun, Shuang Zhang, Xianzhong Chen

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Abstract

Metasurfaces are engineered interfaces that contain a thin layer of plasmonic or dielectric nanostructures capable of manipulating light in a desirable manner. Advances in meta-surfaces have led to various practical applications ranging from lensing to holography. Metasurface holograms that can be switched by the polarization state of incident light have been demonstrated for achieving polarization multiplexed functionalities. However, practical application of these devices has been limited by their capability for achieving high efficiency and high image quality. Here we experimentally demonstrate a helicity multiplexed metasurface hologram with high efficiency and good image fidelity over a broad range of frequencies. The metasurface hologram features the combination of two sets of hologram patterns operating with opposite incident helicities. Two symmetrically distributed off-axis images are interchangeable by controlling the helicity of the input light. The demonstrated helicity multiplexed metasurface hologram with its high performance opens avenues for future applications with functionality switchable optical devices.
Original languageEnglish
Article number8241
Number of pages7
JournalNature Communications
Volume6
DOIs
Publication statusPublished - 10 Sep 2015

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    Wen, D., Yue, F., Li, G., Zheng, G., Chan, K., Chen, S., Chen, M., Li, K. F., Wong, P. W. H., Cheah, K. W., Yue Bun Pun, E., Zhang, S., & Chen, X. (2015). Helicity multiplexed broadband metasurface holograms. Nature Communications, 6, [8241]. https://doi.org/10.1038/ncomms9241