Results 21 to 30 of about 4,017 (247)

Eye-Tracking-Driven Programming Metasurface System for Adaptive Beam Focusing and Polarization-Agile Communication [PDF]

Research
Expanding near-field regions in high-frequency 6G systems necessitates precise spatial-field control, yet narrow beamwidths and 3-dimensional tracking complexities create severe alignment hurdles.
Shulei Zhang, Ruichao Zhu, Zuntian Chu, Chang Ding, Sai Sui, Sina Dang, Shaobo Qu, Jue Qu, Yuxiang Jia, Jiafu Wang   +9 more
doaj   +2 more sources

Experimentally realized physical-model-based frugal wave control in metasurface-programmable complex media [PDF]

Nature Communications
Metasurface-programmable radio environments are considered a key ingredient of next-generation wireless networks. Yet, identifying a metasurface configuration that yields a desired wireless functionality in an unknown complex environment was so far only ...
Jérôme Sol, Hugo Prod’homme, Luc Le Magoarou, Philipp del Hougne   +3 more
doaj   +2 more sources

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

Light: Science & Applications
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
Wei Liu, Si Ran Wang, Jun Yan Dai, Lei Zhang, Qiao Chen, Qiang Cheng, Tie Jun Cui   +6 more
doaj   +2 more sources

Programmable Metasurfaces: State of the Art and Prospects [PDF]

2018 IEEE International Symposium on Circuits and Systems (ISCAS), 2018
Metasurfaces, ultrathin and planar electromagnetic devices with sub-wavelength unit cells, have recently attracted enormous attention for their powerful control over electromagnetic waves, from microwave to visible range. With tunability added to the unit cells, the programmable metasurfaces enable us to benefit from multiple unique functionalities ...
Fu Liu, Alexandros Pitilakis, M. S. Mirmoosa, Odysseas Tsilipakos, Xuchen Wang, Anna C. Tasolamprou, Sergi Abadal, Albert Cabellos‐Aparicio, Eduard Alarcón, Christos Liaskos, Nikolaos V. Kantartzis, Maria Kafesaki, E. N. Economou, Costas M. Soukoulis, Sergei Tretyakov   +14 more
openalex   +6 more sources

Wireless microwave-to-optical conversion via programmable metasurface without DC supply [PDF]

Nature Communications
Microwave-optical interaction and its effective utilization are vital technologies at the frontier of classical and quantum sciences for communication, sensing, and imaging.
Xin Ge Zhang, Ya Lun Sun, Bingcheng Zhu, Han Wei Tian, Bo Yuan Wang, Zaichen Zhang, Cheng-Wei Qiu, Tie Jun Cui, Wei Xiang Jiang   +8 more
doaj   +2 more sources

A Dual‐Polarization Programmable Metasurface for Green and Secure Wireless Communication [PDF]

Advanced Science
Dual‐polarization programmable metasurfaces can flexibly manipulate electromagnetic (EM) waves while providing approximately twice the information capacity. Therefore, they hold significant applications in next‐generation communication systems.
Zheng Xing Wang, Jun Wei Wu, Hui Xu, Jun Yan Dai, Shuo Liu, Qiang Cheng, Tie Jun Cui   +6 more
doaj   +2 more sources

Agile Free-Form Signal Filtering and Routing with a Chaotic-Cavity-Backed Non-Local Programmable Metasurface. [PDF]

Adv Sci (Weinh)
Faul FT, Cronier L, Alhulaymi A, Stone AD, Del Hougne P.   +4 more
europepmc   +3 more sources

Broadband Achromatic Programmable Electromagnetic Camouflage via Fluidic‐Accessible Metasurface [PDF]

Advanced Science
Broadband and reconfigurable illusion camouflage remains a major challenge in electromagnetic wave manipulation, as it imposes concurrent demands for precise dispersion control together with reliable real‐time switching across wide frequency ranges ...
Shipeng Liu, Jiahao Zhang, Jiale Wang, Zeyao Chen, Zhaotong Yu, Jinhong Luo, Jiabao Luo, Rujia Cao, Shuxi Gong, Qingxin Guo, Ping Li, Rujiang Li, Ke Chen, Yongtao Jia, Ying Liu   +14 more
doaj   +2 more sources

Holographic communication using programmable coding metasurface

Nanophotonics
With rapid development of holography, metasurface-based holographic communication scheme shows great potential in development of adaptive electromagnetic function. However, conventional passive metasurfaces are severely limited by poor reconfigurability,
Zhang Fan, Wang Chaohui, Feng Weike, Liu Tong, Wang Zhengjie, Wang Yanzhao, Wang Mingzhao, Xu He-Xiu   +7 more
doaj   +3 more sources

Physics‐Informed Inverse Design of Programmable Metasurfaces

Advanced Science
Emerging reconfigurable metasurfaces offer various possibilities for programmatically manipulating electromagnetic waves across spatial, spectral, and temporal domains, showcasing great potential for enhancing terahertz applications.
Yucheng Xu, Jia‐Qi Yang, Kebin Fan, Sheng Wang, Jingbo Wu, Caihong Zhang, De‐Chuan Zhan, Willie J. Padilla, Biaobing Jin, Jian Chen, Peiheng Wu   +10 more
doaj   +3 more sources