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Spin-decoupled metasurface for broadband and pixel-saving polarization rotation and wavefront control
Ji, Ruonan1; Song, Kun1; Guo, Xuyue1; Xie, Xin1; Zhao, Yang1; Jin, Chuan2; Wang, Shaowei3; Jiang, Chengming4; Yin, Jianbo1; Liu, Yahong1; Zhai, Shilong1; Zhao, Xiaopeng1; Lu, Wei3
Source PublicationOptics Express
Contribution Rank2

In this paper, a strategy to achieve a simultaneous wavefront shaping and polarization rotation, without compromising the number of pixels and energy efficiency as well as having broadband operation range, is proposed. This strategy is based on the application of a spin-decoupled phase metasurface composed by only one set of metal-insulator-metal (MIM) umbrella-shaped chiral unit cells. Quasi-non-dispersive and spin-decoupled phase shift can be achieved simply by changing single structural parameter of the structure. By further merging the Pancharatnam-Berry (PB) geometric phase, conversion of an incident LP light beam into right- and left-handed circularly polarized reflected beams with similar amplitudes, desired phase profiles and controlled phase retardation on a nanoscale is enabled with high efficiency. Based on the proposed strategy, a polarization-insensitive hologram generator with control optical activity, and a multiple ring vortex beam generator are realized. The results obtained in this work provide a simple and pixel-saving approach to the design of integratable and multitasking devices combining polarization manipulation and wavefront shaping functions, such as vectorial holographic generators, multifocal metalenses, and multichannel vector beam generators. © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.

Indexed BySCI ; EI
WOS IDWOS:000678755000083
PublisherThe Optical Society
EI Accession Number20213110698317
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Smart Materials Lab, School of Physical Science and Technology, Northwestern Polytechnical University, Xi’an; 710129, China;
2.State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics of CAS, Xi’an; 710119, China;
3.State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai; 200083, China;
4.School of Mechanical Engineering, Dalian University of Technology, Dalian; 116023, China
Recommended Citation
GB/T 7714
Ji, Ruonan,Song, Kun,Guo, Xuyue,et al. Spin-decoupled metasurface for broadband and pixel-saving polarization rotation and wavefront control[J]. Optics Express,2021,29(16):25720-25730.
APA Ji, Ruonan.,Song, Kun.,Guo, Xuyue.,Xie, Xin.,Zhao, Yang.,...&Lu, Wei.(2021).Spin-decoupled metasurface for broadband and pixel-saving polarization rotation and wavefront control.Optics Express,29(16),25720-25730.
MLA Ji, Ruonan,et al."Spin-decoupled metasurface for broadband and pixel-saving polarization rotation and wavefront control".Optics Express 29.16(2021):25720-25730.
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