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Multifunctional metaoptics based on bilayer metasurfaces

dc.contributor.authorZhou, You
dc.contributor.authorKravchenko, Ivan I.
dc.contributor.authorWang, Hao
dc.contributor.authorZheng, Hanyu
dc.contributor.authorGu, Gong
dc.contributor.authorValentine, Jason
dc.identifier.citationZhou, Y., Kravchenko, I.I., Wang, H. et al. Multifunctional metaoptics based on bilayer metasurfaces. Light Sci Appl 8, 80 (2019).
dc.description.abstractOptical metasurfaces have become versatile platforms for manipulating the phase, amplitude, and polarization of light. A platform for achieving independent control over each of these properties, however, remains elusive due to the limited engineering space available when using a single-layer metasurface. For instance, multiwavelength metasurfaces suffer from performance limitations due to space filling constraints, while control over phase and amplitude can be achieved, but only for a single polarization. Here, we explore bilayer dielectric metasurfaces to expand the design space for metaoptics. The ability to independently control the geometry and function of each layer enables the development of multifunctional metaoptics in which two or more optical properties are independently designed. As a proof of concept, we demonstrate multiwavelength holograms, multiwavelength waveplates, and polarization-insensitive 3D holograms based on phase and amplitude masks. The proposed architecture opens a new avenue for designing complex flat optics with a wide variety of functionalities.en_US
dc.description.sponsorshipY.Z., H.Z., and J.V. acknowledge support received from the Office of Naval Research under award N00014-18-1-2563 and from the National Science Foundation under award ECCS-1351334. H.W. and G.G. acknowledge support received from the National Science Foundation under award DMR-1410940. Part of the fabrication process was conducted at the Center for Nanophase Materials Sciences, which is a DOE Office of Science Useren_US
dc.publisherLight-Science & Appplicationsen_US
dc.rightsOpen Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit
dc.titleMultifunctional metaoptics based on bilayer metasurfacesen_US

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