Chongfan Technology
News
15
2026
-
06
Generation of a 128-Dimensional Vector Vortex Comb Based on Polarization-Decoupled Metasurfaces
Author:
The Wen Chen group at the Hong Kong Polytechnic University has reported a method for generating and continuously controlling a series of 128‑dimensional vector vortex combs using polarization‑decoupled metasurfaces, in which odd‑ and even‑order orbital angular momentum (OAM) modes are encoded in the horizontal and vertical polarization channels, respectively. Both theoretical analysis and experimental results demonstrate that the OAM spectrum and the spatial polarization distribution can be continuously tuned simply by adjusting the incident polarization angle. This work establishes a compact platform for generating and manipulating a family of ultra‑high‑dimensional vector structured light. By combining high dimensionality with vectorial properties, these beams hold significant potential for applications in photonics and quantum technologies.
The research findings were published on June 10, 2026, in Laser & Photonics Reviews, under the title “Metasurface-Based Polarization-Controlled Generation of 128-Dimensional Vector Vortex Combs.”
Figure 1: Schematic diagram of vector vortex comb generation based on metasurfaces for polarization control.
Figure 2: Hologram and Metasurface Design
Figure 3: Experimental demonstration of OAM information
Figure 4: Experimental demonstration of vector information
Source: Optics World
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