The metasurface possesses great potential in a 3D holographic display due to its powerful ability to manipulate optical fields,ultracompact structure,and extraordinary information capacity.However,the in-plane and int...The metasurface possesses great potential in a 3D holographic display due to its powerful ability to manipulate optical fields,ultracompact structure,and extraordinary information capacity.However,the in-plane and interplane crosstalk caused by the coupling between the meta-atoms of the current 3D holographic metasurface limits the quality of the reconstructed image,which has become a significant obstacle to high-performance 3D display applications.Additionally,the interleaved or multilayer design strategy of metasurfaces increases the complexity of structural design and manufacturing,facing challenges in meeting the requirements for miniaturization and low cost-effectiveness.Here,we propose a strategy for a free-space 3D multiplane color holographic multiplex display based on a single-cell metasurface.By utilizing a modified holographic optimization strategy,multiple holographic information is encoded into three mutually independent bases of incident photons and integrated into a metasurface,thereby creating high-quality 3D vectorial metaholography with minimal crosstalk across the visible spectrum.展开更多
基金National Natural Science Foundation of China(61905167)National Key Research and Development Program of China(2020YFA0714001,2021YFC2202203)。
文摘The metasurface possesses great potential in a 3D holographic display due to its powerful ability to manipulate optical fields,ultracompact structure,and extraordinary information capacity.However,the in-plane and interplane crosstalk caused by the coupling between the meta-atoms of the current 3D holographic metasurface limits the quality of the reconstructed image,which has become a significant obstacle to high-performance 3D display applications.Additionally,the interleaved or multilayer design strategy of metasurfaces increases the complexity of structural design and manufacturing,facing challenges in meeting the requirements for miniaturization and low cost-effectiveness.Here,we propose a strategy for a free-space 3D multiplane color holographic multiplex display based on a single-cell metasurface.By utilizing a modified holographic optimization strategy,multiple holographic information is encoded into three mutually independent bases of incident photons and integrated into a metasurface,thereby creating high-quality 3D vectorial metaholography with minimal crosstalk across the visible spectrum.
