Reprogrammable meta-hologram for optical encryption

Geyang Qu; Wenhong Yang; Qinghai Song; Yilin Liu; Cheng-Wei Qiu; Jiecai Han; Din-Ping Tsai; Shumin Xiao

doi:10.1038/s41467-020-19312-9

Nature Communications (Oct 2020)

Reprogrammable meta-hologram for optical encryption

Geyang Qu,
Wenhong Yang,
Qinghai Song,
Yilin Liu,
Cheng-Wei Qiu,
Jiecai Han,
Din-Ping Tsai,
Shumin Xiao

Affiliations

Geyang Qu: Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Shenzhen Graduate School, Harbin Institute of Technology
Wenhong Yang: Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Shenzhen Graduate School, Harbin Institute of Technology
Qinghai Song: Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Shenzhen Graduate School, Harbin Institute of Technology
Yilin Liu: Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Shenzhen Graduate School, Harbin Institute of Technology
Cheng-Wei Qiu: Department of Electrical and Computer Engineering, National University of Singapore
Jiecai Han: National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology
Din-Ping Tsai: Department of Electronic and Information Engineering, The Hong Kong Polytechnic University
Shumin Xiao: Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Shenzhen Graduate School, Harbin Institute of Technology

DOI: https://doi.org/10.1038/s41467-020-19312-9
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 5

Abstract

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Here, the authors demonstrate a re-programmable metasurface that can produce arbitrary holographic images for optical encryption. The encrypted information is divided into two matrices and defined to the incident laser to produce arbitrary holographic images.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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