Photonics Research, 2021, 9 (3): 03000344, Published Online: Feb. 24, 2021  

Control of the harmonic near-field distributions by an active metasurface loaded with pin diodes

Author Affiliations
1 State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China
2 e-mail: tjcui@seu.edu.cn
Abstract
Recent advances of space-time-coding digital metasurfaces demonstrate powerful capabilities in the generation of nonlinear harmonics and the accurate control of the corresponding wavefronts. However, to date the near field manipulation and the experiment characterization are still not explored. In this paper, we propose a space-time-digital coding metasurface to realize accurate manipulation of the near fields at the fundamental and +1st (-1st) harmonics simultaneously, by properly controlling the initial phase and time delay of the time varying reflectivity. A novel mapping system is established to measure the nonlinear near field distributions of multiharmonics. Both the simulation and experimental results demonstrate the validity of the proposed method.

Jin Yang, Jun Chen Ke, Mao Chen, Ming Zheng Chen, Jun Yan Dai, Jian Feng Chen, Rui Yang, Jun Wei Wu, Qiang Cheng, Tie Jun Cui. Control of the harmonic near-field distributions by an active metasurface loaded with pin diodes[J]. Photonics Research, 2021, 9(3): 03000344.

引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!