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Arbitrary polarization and rotation multiplexed metasurface hologram
Zonge Che1, Yisheng Dong2, Tiaoming Niu1
1Institute of Optoelectronics and Electromagnetic Information, School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, China.
Nanophotonics (Berlin, Germany)
|November 7, 2025
Summary
This study introduces a novel metasurface hologram capable of polarization switching and rotation multiplexing. This breakthrough enhances optical information storage and manipulation for advanced applications.
Area of Science:
- Optics and Photonics
- Materials Science
Background:
- Metasurface holograms offer advantages like ultra-small thickness, high efficiency, and low loss.
- Potential applications include optical information storage, field manipulation, and security encryption.
Purpose of the Study:
- To propose a novel polarization switchable and rotation multiplexing metasurface.
- To achieve simultaneous amplitude and phase modulation for advanced holographic applications.
Main Methods:
- Designing meta-atoms with engineered geometric parameters and orientation angles.
- Implementing a polarization switching strategy for distinct hologram generation.
- Utilizing a rotation-multiplexing mechanism to increase information storage capacity.
Main Results:
- Demonstrated precise optical field manipulation across multiple degrees of freedom.
- Successfully reconstructed multichannel holograms.
- Showcased enhanced information storage capacity through rotation multiplexing.
Conclusions:
- The proposed metasurface enables precise optical field control and multichannel hologram reconstruction.
- This method offers a new pathway for high-density optical storage, information encryption, and dynamic optical displays.
