A lithography-free approach to polaritonic Luneburg lenses

A lithography-free approach to polaritonic Luneburg lenses

Abstract Planar polaritonic lenses, achieved by precisely controlling interface polaritons, hold significant promise for subwavelength light focusing. While most existing designs rely on polariton interference or refraction, creating gradient-index polaritonic lenses remains a substantial challenge...

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Main Authors: Zhenyang Cui, Youning Gong, Wenzhi Yu, Sihao Xia, Zhiwei He, Xingyu Tang, Bin Zheng, Huaping Wang, Weiliang Ma, Yupeng Zhang, Hongsheng Chen, Yingjie Wu
Format: Article
Language:English
Published: Nature Portfolio 2025-08-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-025-63097-8
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https://doi.org/10.1038/s41467-025-63097-8

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