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Li T, Huang L, Liu J, et al. Tunable wave plate based on active plasmonic metasurfaces. Opt Express. 2017;25(4):4216-4226doi: 10.1364/OE.25.004216.
Li, T., Huang, L., Liu, J., Wang, Y., & Zentgraf, T. (2017). Tunable wave plate based on active plasmonic metasurfaces. Optics express, 25(4), 4216-4226. https://doi.org/10.1364/OE.25.004216
Li, Tianyou, et al. "Tunable wave plate based on active plasmonic metasurfaces." Optics express vol. 25,4 (2017): 4216-4226. doi: https://doi.org/10.1364/OE.25.004216
Li T, Huang L, Liu J, Wang Y, Zentgraf T. Tunable wave plate based on active plasmonic metasurfaces. Opt Express. 2017 Feb 20;25(4):4216-4226. doi: 10.1364/OE.25.004216. PMID: 28241626.
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Opt Express. 2017 Feb 20;25(4):4216-4226. doi: 10.1364/OE.25.004216.

Tunable wave plate based on active plasmonic metasurfaces.

Optics express

Tianyou Li, Lingling Huang, Juan Liu, Yongtian Wang, Thomas Zentgraf

PMID: 28241626 DOI: 10.1364/OE.25.004216

Abstract

Polarization conversion is highly desired for numerous valuable applications such as remote detection and high-precision measurement. It is conventionally achieved through utilizing bulky birefringent crystals or by delicate tailored anisotropy materials. However, such schemes are not compatible with both dynamic and compact on-chip applications. We propose an active metasurface that can generate tunable ellipticity for arbitrary incident polarization with a non-volatile and reversible modulation method. The metasurface consists of V-shape plasmonic antenna arrays and an interval modulation layer made of the phase change material GST for active phase control. Our approach allows the generation of high-quality arbitrary elliptical polarization states in an ultrathin, non-mechanical, and flexible fashion, representing a significant advance compared with its conventional counterparts.

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