Direction-Duplex Janus Metasurface for Full-Space Electromagnetic Wave Manipulation and Holography
Janus metasurfaces, a category of two-faced two-dimensional (2D) materials, are emerging as a promising platform for designing multifunctional metasurfaces by exploring the intrinsic propagation direction (k-direction) of electromagnetic waves. Their out-of-plane asymmetry is utilized for achieving distinct functions selectively excited by choosing the propagation directions, providing an effective strategy to meet the growing demand for the integration of more functionalities into a single optoelectronic device. Here, we propose the concept of direction-duplex Janus metasurface for full-space wave control yielding drastically different transmission and reflection wavefronts for the same polarized incidence with opposite k-directions. A series of Janus metasurface devices that enable asymmetric full-space wave manipulations, such as integrated metalens, beam generators, and fully direction-duplex meta-holography, are experimentally demonstrated. We envision the Janus metasurface platform proposed here to open new possibilities toward a broader exploration of creating sophisticated multifunctional meta-devices ranging from microwaves to optical systems.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
ACS applied materials & interfaces - 15(2023), 22 vom: 07. Juni, Seite 27380-27390 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yang, Weixu [VerfasserIn] |
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| Links: |
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| Themen: |
Full-space control |
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| Anmerkungen: |
Date Completed 08.06.2023 Date Revised 08.06.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/acsami.3c04382 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Janus metasurfaces, a category of two-faced two-dimensional (2D) materials, are emerging as a promising platform for designing multifunctional metasurfaces by exploring the intrinsic propagation direction (k-direction) of electromagnetic waves. Their out-of-plane asymmetry is utilized for achieving distinct functions selectively excited by choosing the propagation directions, providing an effective strategy to meet the growing demand for the integration of more functionalities into a single optoelectronic device. Here, we propose the concept of direction-duplex Janus metasurface for full-space wave control yielding drastically different transmission and reflection wavefronts for the same polarized incidence with opposite k-directions. A series of Janus metasurface devices that enable asymmetric full-space wave manipulations, such as integrated metalens, beam generators, and fully direction-duplex meta-holography, are experimentally demonstrated. We envision the Janus metasurface platform proposed here to open new possibilities toward a broader exploration of creating sophisticated multifunctional meta-devices ranging from microwaves to optical systems | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a full-space control | |
| 650 | 4 | |a holography | |
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| 700 | 1 | |a Chen, Ke |e verfasserin |4 aut | |
| 700 | 1 | |a Dong, Shufang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Shaojie |e verfasserin |4 aut | |
| 700 | 1 | |a Qu, Kai |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Tian |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Junming |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Yijun |e verfasserin |4 aut | |
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