A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2025.240250, discusses on-chip multi-channel near-far field terahertz vortices with parity breaking and active modulation. Vortex ...
A single geometric metasurface is used to form SC-PVVB with multidimensional modulation ability for optical encryption, enabling precise control over the beam's morphology, polarization azimuth and ...
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