Yu, Y. F., Zhu, A. Y., Paniagua‐Domínguez, R., Fu, Y. H., Luk’yanchuk, B., & Kuznetsov, A. I. (2015). High‐transmission dielectric metasurface with 2π phase control at visible wavelengths. Laser & Photonics Reviews, 9(4), 412–418. Portico. https://doi.org/10.1002/lpor.201500041
Abstract:
Recently, metasurfaces have received increasing attention due to their ability to locally manipulate the amplitude, phase and polarization of light with high spatial resolution. Transmissive metasurfaces based on high‐index dielectric materials are particularly interesting due to the low intrinsic losses and compatibility with standard industrial processes. Here, it is demonstrated numerically and experimentally that a uniform array of silicon nanodisks can exhibit close‐to‐unity transmission at resonance in the visible spectrum. A single‐layer gradient metasurface utilizing this concept is shown to achieve around 45% transmission into the desired order. These values represent an improvement over existing state‐of‐the‐art, and are the result of simultaneous excitation and mutual interference of magnetic and electric‐dipole resonances in the nanodisks, which enables directional forward scattering with a broad bandwidth. Due to CMOS compatibility and the relative ease of fabrication, this approach is promising for creation of novel flat optical devices.
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Funding Info:
This research is supported by core funding from: Data Storage Institute (DSI)
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This is the peer reviewed version of the following article: Yu, Y. F., Zhu, A. Y., Paniagua‐Domínguez, R., Fu, Y. H., Luk’yanchuk, B., & Kuznetsov, A. I. (2015). High‐transmission dielectric metasurface with 2π phase control at visible wavelengths. Laser & Photonics Reviews, 9(4), 412–418. Portico. https://doi.org/10.1002/lpor.201500041, which has been published in final form at https://doi.org/10.1002/lpor.201500041. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.