Cascaded Metasurface Holograms for Optical Secret Sharing

Philip Georgi; Wei Qunshuo; Basudeb Sain; Christian Schlickriede; Yongtian Wang; Lingling Huang; Thomas Zentgraf

doi:10.1364/CLEO_QELS.2021.FTu2M.4

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FTu2M.4
•https://doi.org/10.1364/CLEO_QELS.2021.FTu2M.4

Cascaded Metasurface Holograms for Optical Secret Sharing

Philip Georgi, Wei Qunshuo, Basudeb Sain, Christian Schlickriede, Yongtian Wang, Lingling Huang, and Thomas Zentgraf

CLEO: QELS_Fundamental Science 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Metsurfaces and Wavefronts (FTu2M)

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P. Georgi, W. Qunshuo, B. Sain, C. Schlickriede, Y. Wang, L. Huang, and T. Zentgraf, "Cascaded Metasurface Holograms for Optical Secret Sharing," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FTu2M.4.

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Abstract

We demonstrate an all-optical solution for secret sharing based on metasurface holography. Metasurfaces are used as separable shares that reconstruct a secret after combination. The inherent alignment sensitivity can be used to build optical rulers.

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