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Pixelated bifunctional metasurface-driven dynamic vectorial holographic color prints for photonic security platform

Author

Listed:
  • Inki Kim

    (Pohang University of Science and Technology (POSTECH))

  • Jaehyuck Jang

    (Pohang University of Science and Technology (POSTECH))

  • Gyeongtae Kim

    (Pohang University of Science and Technology (POSTECH))

  • Jihae Lee

    (Pohang University of Science and Technology (POSTECH))

  • Trevon Badloe

    (Pohang University of Science and Technology (POSTECH))

  • Jungho Mun

    (Pohang University of Science and Technology (POSTECH))

  • Junsuk Rho

    (Pohang University of Science and Technology (POSTECH)
    Pohang University of Science and Technology (POSTECH)
    National Institute of Nanomaterials Technology (NINT))

Abstract

Vectorial holography has gained a lot of attention due to the promise of versatile polarization control of structured light for enhanced optical security and multi-channel optical communication. Here, we propose a bifunctional metasurface which combines both structural color printing and vectorial holography with eight polarization channels towards advanced encryption applications. The structural colour prints are observed under white light while the polarization encoded holograms are reconstructed under laser illumination. To encode multiple holographic images for different polarization states, a pixelated metasurface is adopted. As a proof-of-concept, we devise an electrically tunable optical security platform incorporated with liquid crystals. The optical security platform is doubly encrypted: an image under white light is decrypted to provide the first key and the corresponding information is used to fully unlock the encrypted information via projected vectorial holographic images. Such an electrically tunable optical security platform may enable smart labels for security and anticounterfeiting applications.

Suggested Citation

  • Inki Kim & Jaehyuck Jang & Gyeongtae Kim & Jihae Lee & Trevon Badloe & Jungho Mun & Junsuk Rho, 2021. "Pixelated bifunctional metasurface-driven dynamic vectorial holographic color prints for photonic security platform," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23814-5
    DOI: 10.1038/s41467-021-23814-5
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    Cited by:

    1. Xuyue Guo & Peng Li & Jinzhan Zhong & Dandan Wen & Bingyan Wei & Sheng Liu & Shuxia Qi & Jianlin Zhao, 2022. "Stokes meta-hologram toward optical cryptography," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Pei-Nan Ni & Pan Fu & Pei-Pei Chen & Chen Xu & Yi-Yang Xie & Patrice Genevet, 2022. "Spin-decoupling of vertical cavity surface-emitting lasers with complete phase modulation using on-chip integrated Jones matrix metasurfaces," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. Byoungsu Ko & Trevon Badloe & Younghwan Yang & Jeonghoon Park & Jaekyung Kim & Heonyeong Jeong & Chunghwan Jung & Junsuk Rho, 2022. "Tunable metasurfaces via the humidity responsive swelling of single-step imprinted polyvinyl alcohol nanostructures," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    4. Jinhui Huang & Yue Jiang & Qiuyu Chen & Hui Xie & Shaobing Zhou, 2023. "Bioinspired thermadapt shape-memory polymer with light-induced reversible fluorescence for rewritable 2D/3D-encoding information carriers," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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