Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces

D. Frese, Q. Wei, Y. Wang, L. Huang, T. Zentgraf, Nano Letters 19 (2019) 3976–3980.

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Journal Article | Published | English
Author
Frese, Daniel; Wei, Qunshuo; Wang, Yongtian; Huang, Lingling; Zentgraf, ThomasLibreCat
Abstract
As flexible optical devices that can manipulate the phase and amplitude of light, metasurfaces would clearly benefit from directional optical properties. However, single layer metasurface systems consisting of two-dimensional nanoparticle arrays exhibit only a weak spatial asymmetry perpendicular to the surface and therefore have mostly symmetric transmission features. Here, we present a metasurface design principle for nonreciprocal polarization encryption of holographic images. Our approach is based on a two-layer plasmonic metasurface design that introduces a local asymmetry and generates a bidirectional functionality with full phase and amplitude control of the transmitted light. The encoded hologram is designed to appear in a particular linear cross-polarization channel, while it is disappearing in the reverse propagation direction. Hence, layered metasurface systems can feature asymmetric transmission with full phase and amplitude control and therefore expand the design freedom in nanoscale optical devices toward asymmetric information processing and security features for anticounterfeiting applications.
Publishing Year
Journal Title
Nano Letters
Volume
19
Issue
6
Page
3976-3980
Financial disclosure
Article Processing Charge funded by the Deutsche Forschungsgemeinschaft.
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Frese D, Wei Q, Wang Y, Huang L, Zentgraf T. Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces. Nano Letters. 2019;19(6):3976-3980. doi:10.1021/acs.nanolett.9b01298
Frese, D., Wei, Q., Wang, Y., Huang, L., & Zentgraf, T. (2019). Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces. Nano Letters, 19(6), 3976–3980. https://doi.org/10.1021/acs.nanolett.9b01298
@article{Frese_Wei_Wang_Huang_Zentgraf_2019, title={Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces}, volume={19}, DOI={10.1021/acs.nanolett.9b01298}, number={6}, journal={Nano Letters}, author={Frese, Daniel and Wei, Qunshuo and Wang, Yongtian and Huang, Lingling and Zentgraf, Thomas}, year={2019}, pages={3976–3980} }
Frese, Daniel, Qunshuo Wei, Yongtian Wang, Lingling Huang, and Thomas Zentgraf. “Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces.” Nano Letters 19, no. 6 (2019): 3976–80. https://doi.org/10.1021/acs.nanolett.9b01298.
D. Frese, Q. Wei, Y. Wang, L. Huang, and T. Zentgraf, “Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces,” Nano Letters, vol. 19, no. 6, pp. 3976–3980, 2019, doi: 10.1021/acs.nanolett.9b01298.
Frese, Daniel, et al. “Nonreciprocal Asymmetric Polarization Encryption by Layered Plasmonic Metasurfaces.” Nano Letters, vol. 19, no. 6, 2019, pp. 3976–80, doi:10.1021/acs.nanolett.9b01298.

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