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Plasmonic Metasurfaces for Switchable Photonic Spin-Orbit Interactions Based on Phase Change Materials
Zhang, Ming1,2; Pu, Mingbo1; Zhang, Fei1,2; Guo, Yinghui1; He, Qiong1; Ma, Xiaoliang1; Huang, Yijia1,3; Li, Xiong1; Yu, Honglin2; Luo, Xiangang1
Source PublicationADVANCED SCIENCE
Indexed BySCI ; Ei
WOS IDWOS:000447632000030
EI Accession Number20183605788984
AbstractMetasurfaces with intense spin-orbit interactions (SOIs) offer an appealing platform for manipulation of polarization and wavefront. Reconfigurable beam manipulation based on switchable SOIs is highly desired in many occasions, but it remains a great challenge since most metasurfaces lack the flexibility and the optical performance is fixed once fabricated. Here, switchable SOIs are demonstrated numerically and experimentally via the combination of plasmonic metasurfaces with phase change materials (PCMs). As a proof-of-concept, three metadevices possessing switchable SOIs are fabricated and investigated, which enable spin Hall effect, vortex beam generation, and holography when the PCM is in the amorphous state (corresponding to the "ON" state of SOI). When the PCM changes into the crystalline state (corresponding to the "OFF" state of SOI), these phenomena disappear. Experimental measurements show that a high polarization conversion contrast between "ON" and "OFF" states is obtained within a broadband wavelength range from 8.5 to 10.5 mu m. The switchable photonic SOIs proposed here may provide a promising route to design reconfigurable devices for applications such as beam steering, dynamic holographic display, and encrypted optical communications.
Keywordcatenary optics phase change materials plasmonic metasurfaces spin-orbit interactions switchable photonic metadevices
EI KeywordsCrystalline materials ; Holographic displays ; Optical communication ; Plasmonics ; Plasmons ; Polarization ; Spin Hall effect
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Document Type期刊论文
Affiliation1.State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China;
2.Key Laboratory of Opto-Electronic Technology and Systems of the Education Ministry of China, Chongqing University, Chongqing; 400044, China;
3.University of Chinese Academy of Sciences, Beijing; 100049, China
Recommended Citation
GB/T 7714
Zhang, Ming,Pu, Mingbo,Zhang, Fei,et al. Plasmonic Metasurfaces for Switchable Photonic Spin-Orbit Interactions Based on Phase Change Materials[J]. ADVANCED SCIENCE,2018,5(10):1800835.
APA Zhang, Ming.,Pu, Mingbo.,Zhang, Fei.,Guo, Yinghui.,He, Qiong.,...&Luo, Xiangang.(2018).Plasmonic Metasurfaces for Switchable Photonic Spin-Orbit Interactions Based on Phase Change Materials.ADVANCED SCIENCE,5(10),1800835.
MLA Zhang, Ming,et al."Plasmonic Metasurfaces for Switchable Photonic Spin-Orbit Interactions Based on Phase Change Materials".ADVANCED SCIENCE 5.10(2018):1800835.
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