Abstract
Metasurfaces as artificially nanostructured interfaces hold significant potential for multi-functionality, which may play a pivotal role in the next-generation compact nano-devices. The majority of multi-tasked metasurfaces encode or encrypt multi-information either into the carefully tailored metasurfaces or in pre-set complex incident beam arrays. Here, we propose and demonstrate a multi-momentum transformation metasurface (i.e., meta-transformer), by fully synergizing intrinsic properties of light, e.g., orbital angular momentum (OAM) and linear momentum (LM), with a fixed phase profile imparted by a metasurface. The OAM meta-transformer reconstructs different topologically charged beams into on-axis distinct patterns in the same plane. The LM meta-transformer converts red, green and blue illuminations to the on-axis images of “R”, “G” and “B” as well as vivid color holograms, respectively. Thanks to the infinite states of light-metasurface phase combinations, such ultra-compact meta-transformer has potential in information storage, nanophotonics, optical integration and optical encryption.
Original language | English (US) |
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Journal | Nature Communications |
Volume | 10 |
Issue number | 1 |
DOIs | |
State | Published - Oct 21 2019 |
Externally published | Yes |
Bibliographical note
KAUST Repository Item: Exported on 2022-06-10Acknowledged KAUST grant number(s): OSR-2016-CRG5-2995
Acknowledgements: This work was supported from the National Research Foundation, Prime Minister’s Office, Singapore under its Competitive Research Program (CRP award NRF CRP15-2015-03). X.L. acknowledges the support from National Natural Science Foundation of China (NSFC) (Grant 61522504), Guangdong Provincial Innovation and Entrepreneurship Project (Grant 2016ZT06D081). F.C., Y.W.H., and W.T.C. acknowledge the financial support in part by the Air Force Office of Scientific Research (Grant Nos. MURI FA9550-14-1-0389 and FA9550-16-1-0156) and King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) (Award No. OSR-2016-CRG5-2995).
This publication acknowledges KAUST support, but has no KAUST affiliated authors.
ASJC Scopus subject areas
- General Biochemistry, Genetics and Molecular Biology
- General Chemistry
- General Physics and Astronomy