Fig. 1: Schematic principle of proposed metasurface device for complete phase-modulation in quadruplex polarization channels. | Nature Communications

Fig. 1: Schematic principle of proposed metasurface device for complete phase-modulation in quadruplex polarization channels.

From: Independent phase modulation for quadruplex polarization channels enabled by chirality-assisted geometric-phase metasurfaces

Fig. 1

Four vortex beams carrying OAM modes with l = 0, 1, 2, 3 are generated through L–L, L–R, R–L, R–R channels, respectively. The insets show the phase profiles of required OAM modes and the illustration of CP channels.

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