Arbitrarily rotating polarization direction and manipulating phases in linear and nonlinear ways using programmable metasurface  

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作  者:Wei Liu Si Ran Wang Jun Yan Dai Lei Zhang Qiao Chen Qiang Cheng Tie Jun Cui 

机构地区:[1]State Key Laboratory of Millimeter Waves,Southeast University,Nanjing 210096,China [2]Institute of Electromagnetic Space,Southeast University,Nanjing 210096,China [3]Frontiers Science Center for Mobile Information Communication and Security,Southeast University,Nanjing 210096,China [4]Electrical Engineering Department,Chalmers University of Technology,Gothenburg 41258,Sweden

出  处:《Light(Science & Applications)》2024年第9期1789-1800,共12页光(科学与应用)(英文版)

基  金:supported by the National Key Research and Development Program of China(2023YFB3811502,2018YFA0701904);the National Science Foundation(NSFC)for Distinguished Young Scholars of China(62225108);the National Natural Science Foundation of China(62288101,62201139,U22A2001);the Program of Song Shan Laboratory(Included in the management of Major Science and Technology Program of Henan Province)(221100211300-02,221100211300-03);the 111 Project(111-2-05),the Jiangsu Province Frontier Leading Technology Basic Research Project(BK20212002);the Fundamental Research Funds for the Central Universities(2242022k60003,2242024RCB0005);the Southeast University-China Mobile Research Institute Joint Innovation Center(R202111101112JZC02).

摘  要:Independent controls of various properties of electromagnetic(EM)waves are crucially required in a wide range of applications.Programmable metasurface is a promising candidate to provide an advanced platform for manipulating EM waves.Here,we propose an approach that can arbitrarily control the polarization direction and phases of reflected waves in linear and nonlinear ways using a stacked programmable metasurface.Further,we extend the space-timecoding theory to incorporate the dimension of polarization,which provides an extra degree of freedom for manipulating EM waves.As proof-of-principle application examples,we consider polarization rotation,phase manipulation,and beam steering at linear and nonlinear frequencies.For validation,we design,fabricate,and measure a metasurface sample.The experimental results show good agreement with theoretical predictions and simulations.The proposed approach has a wide range of applications in various areas,such as imaging,data storage,and wireless communication.

关 键 词:surface NONLINEAR ROTATING 

分 类 号:O43[机械工程—光学工程]

 

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