Spin-decoupled metasurface for broadband and pixel-saving polarization rotation and wavefront control | |
Ji, Ruonan4; Song, Kun4; Guo, Xuyue4; Xie, Xin4; Zhao, Yang4; Jin, Chuan3; Wang, Shaowei2; Jiang, Chengming1; Yin, Jianbo4; Liu, Yahong4 | |
刊名 | Optics Express |
2021-08-02 | |
卷号 | 29期号:16页码:25720-25730 |
ISSN号 | 10944087 |
DOI | 10.1364/OE.431740 |
产权排序 | 2 |
英文摘要 | 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. |
语种 | 英语 |
出版者 | The Optical Society |
WOS记录号 | WOS:000678755000083 |
内容类型 | 期刊论文 |
源URL | [http://ir.opt.ac.cn/handle/181661/94986] |
专题 | 西安光学精密机械研究所_瞬态光学技术国家重点实验室 |
作者单位 | 1.School of Mechanical Engineering, Dalian University of Technology, Dalian; 116023, China 2.State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai; 200083, China; 3.State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics of CAS, Xi’an; 710119, China; 4.Smart Materials Lab, School of Physical Science and Technology, Northwestern Polytechnical University, Xi’an; 710129, China; |
推荐引用方式 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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