Zhang Xue, Huang Lingling, Zhao Ruizhe, Zhou Hongqiang, Li Xin, Geng Guangzhou, Li Junjie, Li Xiaowei, Wang Yongtian, Zhang Shuang
Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China.
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100191, China.
Sci Adv. 2022 Oct 7;8(40):eabp8073. doi: 10.1126/sciadv.abp8073. Epub 2022 Oct 5.
In mathematics, general functions can be decomposed into a linear combination of basis functions. This principle can be used for creating an infinite number of distinct geometric patterns based on a finite number of basis patterns. Here, we propose a Dammann vortex metasurface (DVM) for optically generating an array of diverse, diffraction-multiplexed vortex patterns, based on three custom-defined basis patterns. The proposed DVM, with its capability of quantitatively correlating phase and intensity distribution in different diffraction orders, opens up doors for various applications including orbital angular momentum encryptions and quantum entanglement.
在数学中，一般函数可以分解为基函数的线性组合。这一原理可用于基于有限数量的基图案创建无限数量的不同几何图案。在此，我们提出一种达曼涡旋超表面（DVM），用于基于三种自定义基图案光学生成一系列多样的、衍射复用的涡旋图案。所提出的DVM能够定量关联不同衍射级次中的相位和强度分布，为包括轨道角动量加密和量子纠缠在内的各种应用打开了大门。
