Results 31 to 40 of about 130,971 (229)

Workload characterization of programmable metasurfaces [PDF]

, 2019
Metasurfaces are envisaged to play a key role in next-generation wireless systems due to their powerful control over electromagnetic waves. The last decade has witnessed huge advances in this regard, shifting from static to programmable metasurfaces. The
Abadal Cavallé, Sergi, Liaskos, Christos, Marios Lestas, Taghvaee, Hamidreza, Saeed, Taqwa, Christos Liaskos, Eduard Alarcón, Alarcón Cot, Eduardo José, Hamidreza Taghvaee, Taqua Saeed, Pitsillides, Andreas, Cabellos Aparicio, Alberto, Lestas, Marios, Albert Cabellos-Aparicio, Sergi Abadal, Andreas Pitsillides   +15 more
core   +1 more source

Transistor-loaded nonmagnetic nonreciprocal metasurfaces

, 2021
Reciprocal metasurfaces represent prominent compact structures for bidirectional and frequency-invariant transformation of electromagnetic waves. However, their application to modern wireless communication are limited due to their reciprocal response and
Taravati, Sajjad, Eleftheriades, George V.   +1 more
core   +1 more source

Recent Progress in Reconfigurable and Intelligent Metasurfaces: A Comprehensive Review of Tuning Mechanisms, Hardware Designs, and Applications

Advanced Science, 2022
Intelligent metasurfaces have gained significant importance in recent years due to their ability to dynamically manipulate electromagnetic (EM) waves. Their multifunctional characteristics, realized by incorporating active elements into the metasurface ...
Yasir Saifullah, Yejun He, Amir Boag, Guo‐Min Yang, Feng Xu   +4 more
doaj   +1 more source

Dynamic millimeter-wave OAM beam generation through programmable metasurface

Nanophotonics, 2022
Millimeter-wave (mmWave) and orbital angular momentum (OAM) multiplexing are two key technologies for modern wireless communications, where significant efforts have been devoted to combining these two technologies for extremely high channel capacities ...
Bai Xudong, Zhang Fuli, Sun Li, Cao Anjie, He Chong, Zhang Jin, Zhu Weiren   +6 more
doaj   +1 more source

One-bit quantization is good for programmable coding metasurfaces

, 2022
International audienceThe information-carrying programmable metasurfaces has found widespread applications in communication, sensing, and other related areas. However, there is a fundamental but unresolved problem, i.e., the rigorous understanding of the
Cheng, Qiang, Shuang, Ya, Ya Shuang, Jin, Shi, Wei, Menglin, Li, Lianlin, Tiejun Cui, Hanting Zhao, Qiang Cheng, Lianlin Li, Menglin Wei, Shi Jin, Cui, Tiejun, Philipp Del Hougne, Zhao, Hanting, del Hougne, Philipp   +15 more
core   +1 more source

Programmable diffractive deep neural networks enabled by integrated rewritable metasurfaces. [PDF]

Sci Rep
Photonic neural networks capable of rapid programming are indispensable to realize many functionalities. Phase change technology can provide nonvolatile programmability in photonic neural networks.
Zarei S.
europepmc   +2 more sources

Toward Intelligent Metasurfaces: The Progress from Globally Tunable Metasurfaces to Software-Defined Metasurfaces with an Embedded Network of Controllers [PDF]

, 2020
| openaire: EC/H2020/736876/EU//VISORSURF Lisää oa, kun julkaistu.Metasurfaces, the ultrathin, 2D version of metamaterials, have recently attracted a surge of attention for their capability to manipulate electromagnetic waves.
Abadal, Sergi, Tretyakov, Sergei, Soukoulis, Costas M., Tasolamprou, Anna, Tasolamprou, Anna C., Kantartzis, Nikolaos V., Christos Liaskos, Alarcón Cot, Eduardo José, Hamidreza Taghvaee, Tsilipakos, Odysseas, Nikolaos V. Kantartzis, Andreas Pitsillides, Liaskos, Christos, Akyildiz, Ian F., Ioannidis, Sotiris, Sotiris Ioannidis, Mirmoosa, Mohammad Sajjad, Mohammad Sajjad Mirmoosa, Economou, Eleftherios, Xuchen Wang, Eduard Alarcón, Georgiou, Julius, Fu Liu, Akyildiz, Ian, Pitsillides, Andreas, Soukoulis, Costas, Cabellos-Aparicio, Albert, Alarcón, Eduard, Sergi Abadal, Dimitrios C. Tzarouchis, Anna C. Tasolamprou, Maria Kafesaki, Sergei Tretyakov, Liu, Fu, Ian F. Akyildiz, Alexandros Pitilakis, Tzarouchis, Dimitrios C., Cabellos Aparicio, Alberto, Pitilakis, Alexandros, Kafesaki, Maria, Abadal Cavallé, Sergi, Wang, Xuchen, Ageliki Tsioliaridou, Taghvaee, Hamidreza, Julius Georgiou, Economou, Eleftherios N., Costas M. Soukoulis, Odysseas Tsilipakos, Eleftherios N. Economou, Tsioliaridou, Ageliki, Albert Cabellos‐Aparicio   +50 more
core   +1 more source

Multimode OAM beam generation through 1-bit programmable metasurface antenna

Scientific Reports, 2023
modern wireless communication, the orbital angular momentum (OAM) beam is considered as an important technology. Some considerable efforts have been devoted to using this technology for channel capacity enhancement as much as possible.
Morteza Nadi, Seyed Hassan Sedighy, Ahmad Cheldavi   +2 more
doaj   +1 more source

Software-defined reconfigurable metasurfaces for programmable wireless environments

, 2022
Programmable reconfigurable metasurfaces are expected to constitute a key element in the future programmable wireless environments. Here we discuss the design and fabrication of a programmable, reconfigurable and multifunctional metasurface able to ...
Maria Kafesaki; Foundation for Research and Technology Hellas (FORTH) and University of Crete, Greece, O. Tsilipakos, Ch. Liaskos   +2 more
core  

Tunable and reconfigurable metasurfaces and metadevices

Opto-Electronic Advances, 2018
Metasurfaces, two-dimensional equivalents of metamaterials, are engineered surfaces consisting of deep subwavelength features that have full control of the electromagnetic waves.
Nemati Arash, Wang Qian, Hong Minghui, Teng Jinghua   +3 more
doaj   +1 more source