Optical encryption in spatial frequencies of light fields with metasurfaces Article Swipe
Min Ouyang
,
Haoyang Yu
,
Danping Pan
,
Lei Wan
,
Cheng Zhang
,
Shecheng Gao
,
Tianhua Feng
,
Zhaohui Li
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1364/optica.463888
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1364/optica.463888
Optical encryption has attracted attention recently as information security becomes important in modern society. For most encryption methods based on metasurfaces, however, information is encrypted into the metasurfaces of physical forms, limiting information sharing and compatibility with digital information processing technology. Here, we demonstrate an alternative scheme in which information is encrypted on optical images other than metasurfaces, releasing the constraints mentioned above. This is achieved by modulating the spatial frequencies of optical images with metasurfaces. Specifically, information encryption and decryption based on the intensity or phase of spatial frequency have been demonstrated with the developed microscopic Fourier optics technique. The abundance of spatial frequency also promises a flexible multiplexing platform for increasing information capacity, which has been verified by a 4-bit encryption experiment. These findings could enable high-security and high-capacity optical encryption platforms.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1364/optica.463888
- OA Status
- gold
- Cited By
- 34
- References
- 49
- Related Works
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- OpenAlex ID
- https://openalex.org/W4289653634
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4289653634Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1364/optica.463888Digital Object Identifier
- Title
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Optical encryption in spatial frequencies of light fields with metasurfacesWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-08-03Full publication date if available
- Authors
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Min Ouyang, Haoyang Yu, Danping Pan, Lei Wan, Cheng Zhang, Shecheng Gao, Tianhua Feng, Zhaohui LiList of authors in order
- Landing page
-
https://doi.org/10.1364/optica.463888Publisher landing page
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1364/optica.463888Direct OA link when available
- Concepts
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Encryption, Computer science, Multiplexing, Limiting, Fourier transform, Spatial frequency, Information security, Optics, Physics, Telecommunications, Computer network, Engineering, Computer security, Quantum mechanics, Mechanical engineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
34Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 13, 2024: 14, 2023: 7Per-year citation counts (last 5 years)
- References (count)
-
49Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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