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Full-parameter-modulated three-dimensional vectorial generalized vortex array
Xue Zhang1,2, Yang Cui1, Yanjie Chen1
1Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China.
Light, Science & Applications
|December 31, 2025
Summary
Researchers created a 3D generalized vortex beam array using a metasurface. This technology allows flexible control over light
Area of Science:
- Optics and Photonics
- Metasurface Technology
- Light Manipulation
Background:
- Orbital angular momentum (OAM) is a crucial spatial property of light with significant applications.
- Generalized vortex beams offer enhanced flexibility through customizable angular phase gradients.
- These beams enable intuitive representations of mathematical operations and novel functionalities.
Purpose of the Study:
- To propose and demonstrate a novel method for generating a three-dimensional (3D) generalized vortex beam array.
- To achieve all-parameter modulation including polarization, phase, angular momentum, and stereoscopic space using a single-layer metasurface.
- To enable simultaneous vectorial modulation for arbitrary polarization information distribution within each beam order.
Main Methods:
- Utilizing Dammann optimization principles.
- Designing and fabricating a single-layer metasurface.
- Implementing joint optimization for simultaneous control of multiple light parameters.
Main Results:
- Successful demonstration of a 3D generalized vortex beam array.
- Achieved comprehensive modulation of polarization, phase, OAM, and spatial distribution.
- Exhibited simultaneous vectorial modulation for intricate polarization control.
Conclusions:
- The proposed approach provides a highly flexible platform for generating 3D generalized vortex beam arrays.
- This method significantly expands the information capacity and spatial mode features of light.
- Facilitates advanced applications in optical wireless broadcasting, communication encryption, and structured light manipulation.
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