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Cascaded metasurfaces for high-purity vortex generation

We introduce a new paradigm for generating high-purity vortex beams with metasurfaces. By applying optical neural networks to a system of cascaded phase-only metasurfaces, we demonstrate the efficient generation of high-quality Laguerre-Gaussian (LG) vortex modes. Our approach is based on two metasu...

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Detalles Bibliográficos
Autores principales:	Mei, Feng, Qu, Geyang, Sha, Xinbo, Han, Jing, Yu, Moxin, Li, Hao, Chen, Qinmiao, Ji, Ziheng, Ni, Jincheng, Qiu, Cheng-Wei, Song, Qinghai, Kivshar, Yuri, Xiao, Shumin
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	Nature Publishing Group UK 2023
Materias:	Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570278/ https://www.ncbi.nlm.nih.gov/pubmed/37828022 http://dx.doi.org/10.1038/s41467-023-42137-1

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