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  • Asia Communications and Photonics Conference (ACPC) 2019
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper M4A.307

Generating helical beams based on silicon-rich nitride metasurface

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Abstract

We theoretically design a high-efficiency polarization-sensitive dielectric metasurface capable of generating helical beams with 2π phase control at the wavelength of 1550 nm and the main lobe of the helical beams moves along the helical trajectories.

© 2019 The Author(s)

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