Accès ouvert
2025
article
OpenAlex
Guangming He, Chao Qian, Yuetian Jia, Zhixiang Fan et autres
Twisted Metasurfaces In article 2401933, Chao Qian, Yuetian Jia, Huaping Wang, and co-workers propose a twisted metasurface system for dynamic electromagnetic wave focusing, enabling precise beam steering via the rotation of transmissive and reflective layers. This design provides wide-angle control in elevation …
cn
(code pays fourni par la source)
2024
article
OpenAlex
Guangming He, Chao Qian, Yuetian Jia, Zhixiang Fan et autres
Abstract Dynamic focusing of electromagnetic (EM) waves is a cornerstone in various applications, encompassing aerospace communication, sensing, and high‐resolution imaging. Recently, the advent of intelligent metasurfaces, hailed as the next evolutionary step, has revolutionized self‐adaptive functionalities. However, their extensive embeddings of active …
cn
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
Zhixiang Fan, Chao Qian, Yuetian Jia, Yiming Feng et autres
As the cornerstone of AI generated content, data drives human-machine interaction and is essential for developing sophisticated deep learning agents. Nevertheless, the associated data storage poses a formidable challenge from conventional energy-intensive planar storage, high maintenance cost, and the susceptibility to electromagnetic …
cn, ch
(code pays fourni par la source)
2024
article
OpenAlex
Ouling Wu, Chao Qian, Zhixiang Fan, Xiaoyue Zhu et autres
Abstract Intelligent metasurfaces, as the next‐generation of metasurfaces, have emerged as a versatile artificial electromagnetic (EM) medium capable of adaptively manipulating wave‐matter interactions, especially in the construction of EM space integration and the analogy of wave‐based neural networks. However, current computational landscape …
cn
(code pays fourni par la source)
Accès ouvert
2024
article
OpenAlex
Yuetian Jia, Zhixiang Fan, Chao Qian, Philipp del Hougne et autres
Abstract For over 35 years of research, the debate about the systematic compositionality of neural networks remains unchanged, arguing that existing artificial neural networks are inadequate cognitive models. Recent advancements in deep learning have significantly shaped the landscape of popular domains, however, …
cn, fr
(code pays fourni par la source)
2024
article
OpenAlex
Yuetian Jia, Huan Lu, Zhixiang Fan, Bei Wu et autres
Recently, there has been a surge of interest in implementing neural networks on wave-based physical platforms due to the superior capability of parallel processing at the speed of light, spawning it complementary to conventional electronic computing. Metasurfaces-based cascaded diffractive layers is one …
cn
(code pays fourni par la source)
Accès ouvert
2023
article
OpenAlex
Zhixiang Fan, Yuetian Jia, Hongsheng Chen, Chao Qian
Abstract Recent years have witnessed rapid progresses in information encryption by harnessing different dimensions of light, yet, pushing the capacity of encrypted information is an endless goal. Meta-holographic encryption introduces an efficient method in optical information encryption. Here, we propose a spatial …
cn
(code pays fourni par la source)
2023
conference-paper
OpenAlex
Zhixiang Fan, Chao Qian, Hongsheng Chen
Research in metasurfaces have led to significant breakthroughs, enabling a wide range of novel physical phenomena and advanced devices. However, most existing metasurfaces are either static or rely on trial-and-error methods, limiting their efficiency and applications. In this work, we introduce the …
cn
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Accès ouvert
2023
article
OpenAlex
Yuetian Jia, Chao Qian, Zhixiang Fan, Tong Cai et autres
Recent breakthroughs in deep learning have ushered in an essential tool for optics and photonics, recurring in various applications of material design, system optimization, and automation control. Deep learning-enabled on-demand metasurface design has been the subject of extensive expansion, as it can …
cn
(code pays fourni par la source)
Accès ouvert
2023
article
OpenAlex
Xiaoyue Zhu, Chao Qian, Yuetian Jia, Jieting Chen et autres
Advanced wireless communication with high spectrum efficiency and energy efficiency has always fascinated humanity, especially with the explosive increase of global mobile data services. Index modulation (IM) has recently been found to be a promising technique due to the transmission of additional …
cn, ir
(code pays fourni par la source)
Accès ouvert
2022
article
OpenAlex
Zhedong Wang, Chao Qian, Zhixiang Fan, Hongsheng Chen
Polarization, as a vector nature of the electromagnetic wave, plays a fundamental role in optics. Determining the polarization state of light is required by many applications, spanning from remote sensing and material analysis to biology and microscopy. To achieve this goal, conventional …
cn
(code pays fourni par la source)
2022
conference-paper
OpenAlex
Zhixiang Fan, Yuetian Jia, Chao Qian, Hongsheng Chen
Here, we introduce the concept of motor-driven mechanical metasurfaces to manage wireless channel dynamically. Such metasurfaces relieve the heavy reliance on traditional radio-frequency components. The design and reflection spectra of the mechanical metasurfaces is demonstrated between 13.1 GHz and 13.5 GHz, the …
cn
(code pays fourni par la source)