Journal
ACS PHOTONICS
Volume 3, Issue 4, Pages 514-519Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsphotonics.5b00678
Keywords
wavefront control; Huygens' surface; metasurface; holography; all-dielectric nanophotonics; silicon photonics
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Funding
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94AL85000]
- Australian Nanotechnology Network Overseas Travel Fellowships
- Australian National University Vice Chancellor's HDR Travel Grants
- Thuringian State Government within its ProExcellence initiative [ACP2020]
- Erasmus Mundus NANOPHI project [2013 5659/002-001]
- Australian Research Council
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Metasurfaces have shown great promise for the control of optical wavefronts, thus opening new pathways for the development of efficient flat optics. In particular, Huygens' metasurfaces based on all-dielectric resonant meta-atoms have already shown a huge potential for practical applications with their polarization insensitivity and high transmittance efficiency. Here, we experimentally demonstrate a polarization-insensitive holographic Huygens' metasurface based on dielectric resonant meta-atoms capable of complex wavefront control at telecommunication wavelengths. Our metasurface produces a hologram image in the far-field with 82% transmittance efficiency and 40% imaging efficiency. Such efficient complex wavefront control shows that Huygens' metasurfaces based on resonant dielectric meta-atoms are a big step toward practical applications of metasurfaces in wavefront design related technologies, including computer-generated holograms, ultrathin optics, security, and data storage devices.
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