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- 出生日期：1977-12-02
- 入职时间：2000-07-01
- 学历：博士研究生毕业
- 办公地点：清水河校区研究院大楼404B
- 性别：男
- 联系方式：lanfeng@uestc.edu.cn
- 学位：工学博士学位
- 职称：教授
- 博士生导师
- 曾获荣誉：2022年四川省技术发明一等奖，其他部级奖项2项
- 学科：电子科学与技术
Real-time programmable metasurface for terahertz multifunctional wave front engineering
- 点击次数：
- 所属单位：[1]Sichuan THz Communication Technology Engineering Research Center,School of Electronic Science and Engineering,University of Electronic Science and Technology of China,Chengdu 611731,China;[2]Yangtze Delta Region Institute(Huzhou),University of Electronic Science and Technology of China,Huzhou 313000,China;[3]Zhangjiang Laboratory,Shanghai 201204,China;[4]National Key Laboratory of Solid-State Microwave Devices and Circuits,Hebei Semiconductor Research Institute,Shijiazhuang 050051,China;[5]Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China;[6]University of Chinese Academy of Sciences,School of Electronic,Electrical and Communication Engineering,Beijing 101408,China;[7]Department of Electrical Engineering and Computer Science,University of Michigan,Ann Arbor,MI 48109,USA;[8]School of Engineering,Brown University,Providence,RI 02912,USA
- 发表刊物：光（科学与应用)（英文版）
- 关键字：wave;scattered;arbitrary;
- 摘要：Terahertz(THz)technologies have become a focus of research in recent years due to their prominent role in envisioned future communication and sensing systems.One of the key challenges facing the field is the need for tools to enable agile engineering of THz wave fronts.Here,we describe a reconfigurable metasurface based on GaN technology with an array-of-subarrays architecture.This subwavelength-spaced array,under the control of a 1-bit digital coding sequence,can switch between an enormous range of possible configurations,providing facile access to nearly arbitrary wave front control for signals near 0.34 THz.We demonstrate wide-angle beam scanning with 1°of angular precision over 70 GHz of bandwidth,as well as the generation of multi-beam and diffuse wave fronts,with a switching speed up to 100 MHz.This device,offering the ability to rapidly reconfigure a propagating wave front for beam-forming or diffusively scattered wide-angle coverage of a scene,will open new realms of possibilities in sensing,imaging,and networking.
- 卷号：12
- 期号：9
- 页面范围：1795-1806
- ISSN号：2095-5545
- 是否译文：否
- CN号：22-1404/O4