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Engineering the Phase Front of Light with Phase-Change Material Based Planar lenses
文献类型：期刊论文
| 作者 | Chen, Yiguo; Li, Xiong; Sonnefraud, Yannick; Fernandez-Dominguez, Antonio I.; Luo, Xiangang; Hong, Minghui; Maier, Stefan A. |
| 刊名 | SCIENTIFIC REPORTS
 |
| 出版日期 | 2015 |
| 卷号 | 5页码:8660 |
| ISSN号 | 2045-2322 |
| 中文摘要 | A novel hybrid planar lens is proposed to engineer the far-field focusing patterns. It consists of an array of slits which are filled with phase-change material Ge2Sb2Te5 (GST). By varying the crystallization level of GST from 0% to 90%, the Fabry-Perot resonance supported inside each slit can be spectrally shifted across the working wavelength at 1.55 mu m, which results in a transmitted electromagnetic phase modulation as large as 0.56 pi. Based on this geometrically fixed platform, different phase fronts can be constructed spatially on the lens plane by assigning the designed GST crystallization levels to the corresponding slits, achieving various far-field focusing patterns. The present work offers a promising route to realize tunable nanophotonic components, which can be used in optical circuits and imaging applications. |
| 英文摘要 | A novel hybrid planar lens is proposed to engineer the far-field focusing patterns. It consists of an array of slits which are filled with phase-change material Ge2Sb2Te5 (GST). By varying the crystallization level of GST from 0% to 90%, the Fabry-Perot resonance supported inside each slit can be spectrally shifted across the working wavelength at 1.55 mu m, which results in a transmitted electromagnetic phase modulation as large as 0.56 pi. Based on this geometrically fixed platform, different phase fronts can be constructed spatially on the lens plane by assigning the designed GST crystallization levels to the corresponding slits, achieving various far-field focusing patterns. The present work offers a promising route to realize tunable nanophotonic components, which can be used in optical circuits and imaging applications. |
| 学科主题 | GE2SB2TE5 THIN-FILMS; PLASMONIC LENS; TRANSMISSION; METAMATERIALS; MICROLENSES; RESONANCES; SLITS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000350300300005 |
| 源URL | [http://ir.ioe.ac.cn/handle/181551/6884]  |
| 专题 | 光电技术研究所_微细加工光学技术国家重点实验室（开放室） |
| 推荐引用方式 GB/T 7714 | Chen, Yiguo,Li, Xiong,Sonnefraud, Yannick,et al. Engineering the Phase Front of Light with Phase-Change Material Based Planar lenses[J]. SCIENTIFIC REPORTS,2015,5:8660. |
| APA | Chen, Yiguo.,Li, Xiong.,Sonnefraud, Yannick.,Fernandez-Dominguez, Antonio I..,Luo, Xiangang.,...&Maier, Stefan A..(2015).Engineering the Phase Front of Light with Phase-Change Material Based Planar lenses.SCIENTIFIC REPORTS,5,8660. |
| MLA | Chen, Yiguo,et al."Engineering the Phase Front of Light with Phase-Change Material Based Planar lenses".SCIENTIFIC REPORTS 5(2015):8660. |
入库方式： OAI收割
来源：光电技术研究所
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