Three-dimensional varifocal meta-device for augmented reality display

doi: 10.1186/s43074-025-00164-9

• Yuzhou Song^1,2 , 
• Jiaqi Yuan³ , 
• Qinmiao Chen⁴ , 
• Xiaoyuan Liu^5,6 , 
• Yin Zhou⁵ , 
• Jialuo Cheng⁵ , 
• Shumin Xiao^{4 ,  ,}  , 
• Mu Ku Chen^{5,6 ,  ,}  , 
• Zihan Geng^{1,2 ,  ,} 

• 1 Institute of Data and Information, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China;

• 2 Pengcheng Laboratory, Shenzhen, Guangdong 518055, China;

• 3 Ming Hsieh Department of Electrical Engineering-Electrophysics, University of Southern California, Los Angeles, CA 90089, USA;

• 4 Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, Harbin Institute of Technology, Shenzhen 518055, China;

• 5 Department of Electrical Engineering, City University of Hong Kong, Hong Kong SAR 999077, China;

• 6 The State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong, Hong Kong SAR 999077, China