LAUSR

Significance Vectorial optical holography, as a scheme to control the polarization distributions of light in the Fourier space, has been experimentally demonstrated in the linear optical regime. However, its nonlinear optical counterpart, which can generate the holographic images at different frequencies to that of the incident light, remains unexplored. Here, we demonstrate nonlinear vectorial holography through the second harmonic generation process on a quad-atom plasmonic metasurface, which consists of gold meta-atoms with threefold rotational symmetry. The proposed metasurface platform may have important applications in vectorial polarization nonlinear optical source, high-capacity optical information storage, and optical encryption.