3D laser-nanoprinted meta-optics: a breakthrough photonic platform for wavefront shaping and molecular sensing

Abstract

We demonstrate the use of 3D direct laser writing method to fabricate large-scale 3D metasurfaces with unleashed height degree of freedom. We showcased multiple 3D laser-nanoprinted metasurfaces for a range of photonic applications, including ultrahigh-bandwidth holography, metafibre-enabled optical trapping, highly sensitive molecular sensing, achromatic fibre-optic focusing and imaging, and structured light generation on metafibres. The optical performance of our demonstrated 3D laser-nanoprinted metasurfaces surpass existing 2D metasurfaces fabricated from planar lithography. This metasurface fabrication platform allows superior integration with other photonic elements, such as optical fibres, holding great potential for advanced classical and quantum light manipulation.