Electrically programmable multi-purpose nonvolatile metasurface based on phase change materials

Ee Ho-Seok; Agarwal Ritesh

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Electrically programmable multi-purpose nonvolatile metasurface based on phase change materials

机译：基于相变材料的电动可编程多用途非挥发性元表面

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We propose an electrically programmable nonvolatile metasurface working at near-IR frequency (lambda = 1550 nm) based on ITO/Ge2Sb2Te5-ITO/Au crossbar structure. The proposed metasurface can dynamically change its optical function by modulating the crystallization level of Ge2Sb2Te5, which is a phase change material, at each pixel position individually by controlled electrical pulses. We design and optimize the metasurface by using finite-difference time-domain simulations and numerically demonstrate various optical functions including beam steering devices, flat lenses, optical vortex generators, and metasurface holograms with a single device geometry.

机译：我们提出了一种基于ITO / GE2SB2TE5-ITO / AU横杆结构的近红外频率（Lambda = 1550nm）的电动可编程的非易失性元曲面。所提出的元曲面可以通过通过受控电脉冲单独地在每个像素位置调制Ge2sb2te5的结晶水平来动态地改变其光学功能。我们使用有限差分时域模拟设计和优化元表面，并用单个器件几何来数字地展示各种光学功能，包括光束转向装置，扁平镜头，光学涡流发生器和元表面全息图。

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来源
《Physica Scripta: An International Journal for Experimental and Theoretical Physics》 |2019年第2期|共7页
作者
Ee Ho-Seok; Agarwal Ritesh;
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作者单位

Kongju Natl Univ Dept Phys Gongju Si 32588 Chungcheongnam South Korea;

Univ Penn Dept Mat Sci &

Engn 3231 Walnut St Philadelphia PA 19104 USA;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
metasurfaces; reconfigurable metasurfaces; programmable metasurfaces; phase change materials; spatial light modulators;

机译：Metasurfaces;可重新配置的Metasurfaces;可编程元件;相变材料;空间光调制器;

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1. Electrically programmable multi-purpose nonvolatile metasurface based on phase change materials [J] . Ee Ho-Seok, Agarwal Ritesh Physica Scripta: An International Journal for Experimental and Theoretical Physics . 2019,第2期

机译：基于相变材料的电动可编程多用途非挥发性元表面
2. Broadband nonvolatile photonic switching based on optical phase change materials: beyond the classical figure-of-merit [J] . Zhang Qihang, Zhang Yifei, Li Junying, Optics Letters . 2018,第1期

机译：基于光学相变材料的宽带非挥发性光子开关：超越古典图形
3. Nonvolatile tunable silicon-carbide-based midinfrared thermal emitter enabled by phase-changing materials [J] . Cai Lu, Du Kaikai, Qu Yurui, Optics Letters . 2018,第6期

机译：非易失性可调碳化硅的中小型热发射器，由相变材料启用
4. Electrically Reconfigurable Nonvolatile Metasurface Using Optical Phase Change Materials [C] . Yifei Zhang, Junhao Liang, Mikhail Shalaginov, Conference on Lasers and Electro-Optics . 2019

机译：使用光学相变材料的电可重构非易失性超表面
5. Nonvolatile Integrated Phase-Change Photonic Platform for Programmable Photonics [D] . Zheng, Jiajiu. 2020

机译：用于可编程光子学的非易失性集成相变光子平台
6. Photonic Devices: Plasmonic Metasurfaces for Switchable Photonic Spin–Orbit Interactions Based on Phase Change Materials (Adv. Sci. 10/2018) [O] . Ming Zhang, Mingbo Pu, Fei Zhang, 2018

机译：光子器件：基于相变材料的等离子可切换光子自旋-轨道相互作用的超表面（Adv。Sci。10/2018）
7. Nonvolatile programmable silicon photonics using an ultralow-loss Sb2Se3 phase change material [O] . Matthew Delaney, Ioannis Zeimpekis, Han Du, 2021

机译：非易失性可编程硅光子使用超级损耗SB2SE3相变材料

Electrically programmable multi-purpose nonvolatile metasurface based on phase change materials

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