Multifunctional, active and nonlinear optical smart metasurfaces
多功能、主动和非线性光学智能超表面
基本信息
- 批准号:410406686
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2019
- 资助国家:德国
- 起止时间:2018-12-31 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Smart planar systems that can perform a number of concurrent tasks and actively control the linear and nonlinear optical response with compact footprint are highly on-demand in current optics and nanophotonics research. The proposed project will build on recent developments in the field of optical metasurfaces. Such metasurfaces are assembled artificial ultrathin sub-wavelength building blocks capable of achieving comprehensive and unprecedented electromagnetic response. Recently, it has been shown that metasurfaces can readily be used for altering the beam propagation of light, as beam shaping elements, and for encoding information. However, there are still several challenges facing metasurfaces, especially for complex anisotropic structures and cascaded layers, which require extra efforts by considering numerous electro-magnetic coupling responses and various resonance phenomena. Only by understanding these effects and their influence on the optical properties can provide a clear physical picture and would allow for a straightforward efficient design. This project aims at theoretical and experimental studies of smart metasurfaces with multifunctional, active, linear and nonlinear properties that can surpass traditional optical elements. In order to attain metasurfaces with custom-designed multi-tasks and active optical characteristics, theoretical models have to be developed and judiciously engineered integrations of functional or active materials must be realized. For increasing the functionality of optical metasurfaces, we will target the problem of simultaneous modulation of multiple beam parameters and the adaption of parallel multiplexing algorithms. Our goal is the development of metasurfaces made of meta-atoms that can alter more than one property of the passing light, e.g. polarization, phase, and amplitude simultaneously, at the time. In addition, to gain access to the dynamical modulation of properties of metasurfaces we will utilize active materials in the design of the meta-atoms that can alter their properties by an external stimulus. The project has been organized into four main thrusts that focus on fundamental mechanisms, deep learning for faster design, multi-functionality and active control of linear and nonlinear effects, which can provide significant gains for future applications. All four thrusts are outlaid to be synergistic and cross-cutting. The techniques and algorithms developed within this project will be combined into a single shared system/device to enhance overall performance and enable smart optical elements. This collaborative project combines the expertise from two groups at Paderborn University and Beijing Institute of Technology in nanophotonics, diffractive optics, holography, and nonlinear optics research, to carry out innovative research for ultra-compact smart metasurfaces.
智能平面系统可以执行许多并发任务,并以紧凑的足迹主动控制线性和非线性光学响应,在当前的光学和纳米光子学研究中具有很高的需求。拟议的项目将建立在光学超颖表面领域的最新发展。这样的超颖表面是组装的人工超宽带亚波长构建块,能够实现全面和前所未有的电磁响应。最近,已经表明超颖表面可以容易地用于改变光的光束传播,作为光束成形元件,以及用于编码信息。然而,超颖表面仍然面临着一些挑战,特别是对于复杂的各向异性结构和级联层,这需要考虑众多的电磁耦合响应和各种谐振现象,需要额外的努力。只有了解这些效应及其对光学特性的影响,才能提供清晰的物理图像,并允许直接有效的设计。本项目旨在对智能超颖表面进行理论和实验研究,这些超颖表面具有超越传统光学元件的多功能、主动、线性和非线性特性。为了获得具有定制设计的多任务和主动光学特性的超颖表面,必须开发理论模型,并且必须实现功能或活性材料的明智的工程集成。为了增加光学超颖表面的功能,我们将针对多个光束参数的同时调制和并行复用算法的适应问题。我们的目标是开发由元原子制成的超表面,这些超表面可以同时改变通过光的一个以上的特性,例如偏振,相位和振幅。此外,为了获得对超颖表面特性的动态调制,我们将利用活性材料来设计可以通过外部刺激改变其特性的超原子。该项目分为四个主要方向,重点是基本机制,深度学习以实现更快的设计,多功能以及线性和非线性效应的主动控制,这可以为未来的应用提供显着的收益。所有四个重点都是协同增效和交叉的。该项目中开发的技术和算法将被合并到一个共享系统/设备中,以提高整体性能并实现智能光学元件。该合作项目结合了帕德博恩大学和北京理工大学两个团队在纳米光子学,衍射光学,全息术和非线性光学研究方面的专业知识,为超紧凑智能元表面进行创新研究。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Thomas Zentgraf其他文献
Professor Dr. Thomas Zentgraf的其他文献
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{{ truncateString('Professor Dr. Thomas Zentgraf', 18)}}的其他基金
Topological phase controlled nonlinear optical processes at metasurfaces
超表面拓扑相控非线性光学过程
- 批准号:
271596654 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Research Grants
Coupling mediated coherent control of localized plasmonic resonances
耦合介导的局域等离子体共振的相干控制
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222306284 - 财政年份:2012
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Priority Programmes
Near-field coupled nonlocal optical metasurface for versatile polarization and bandstructure manipulations
用于多种偏振和能带结构操纵的近场耦合非局域光学超表面
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514785315 - 财政年份:
- 资助金额:
-- - 项目类别:
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