Polarization Encoded Color Image Embedded in a Dielectric Metasurface

Xiaofei Zang, Fengliang Dong, Fuyong Yue, Chunmei Zhang, Lihua Xu, Zhiwei Song, Ming Chen, Pai-Yen Chen, Gerald Stuart Buller, Yiming Zhu, Songlin Zhuang, Weiguo Chu, Shuang Zhang, Xianzhong Chen

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Abstract

Optical metasurfaces have shown unprecedented capabilities in the local manipulation of the light’s phase, intensity and polarization profiles, and represent a new viable technology for applications such as high-density optical storage, holography and display. Here, we demonstrate a novel metasurface platform for simultaneously encoding color and intensity information into the wavelength-dependent polarization profile of a light beam. Unlike typical metasurface devices in which images are encoded by phase or amplitude modulation, the color image here is multiplexed into several sets of polarization profiles, each corresponding to a distinct color, which further allows polarization-modulation induced additive color mixing. This unique approach features the combination of wavelength selectivity and arbitrary polarization control down to a single subwavelength pixel level. The encoding approach for polarization and color may open a new avenue for novel, effective color display elements with fine control over both brightness and contrast, and may have significant impact for high-density data storage, information security, and anti-counterfeiting.
Original languageEnglish
Article number1707499
JournalAdvanced Materials
Volume30
Issue number21
Early online date30 Mar 2018
DOIs
Publication statusPublished - 24 May 2018

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    Zang, X., Dong, F., Yue, F., Zhang, C., Xu, L., Song, Z., Chen, M., Chen, P-Y., Buller, G. S., Zhu, Y., Zhuang, S., Chu, W., Zhang, S., & Chen, X. (2018). Polarization Encoded Color Image Embedded in a Dielectric Metasurface. Advanced Materials, 30(21), [1707499]. https://doi.org/10.1002/adma.201707499