Special Topic: Metamaterials All-dielectric meta-optics and non-linear nanophotonics
Special Topic: Metamaterials All-dielectric meta-optics and non-linear nanophotonics
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迄今为止制造和研究的大多数光学超材料都采用金属部件，导致显著的损耗、热量和整体低效率。超材料物理学的新时代与全介电元光学相关，它利用高折射率亚波长粒子的电磁Mie共振来产生光致磁响应，从而支撑了设计和制造功能性和实用性的新方法元器件。在这里，我们回顾了最近的发展，在元光学和亚波长介电光子学，并证明了米氏共振可以发挥关键作用，在实现独特的功能的元原子，也驱动新的影响在超材料和纳米光子学领域。我们讨论了最近的研究前沿在全介质元光学和揭示如何米氏共振可以用于灵活控制光与全相位和振幅工程，包括单向元器件，高度透明的超表面，非线性纳米光子学和拓扑光子学。
Most optical metamaterials fabricated and studied to date employ metallic components resulting in significant losses, heat and overall low efficiencies. A new era of metamaterial physics is associated with all-dielectric meta-optics , which employs electric and magnetic Mie resonances of subwavelength particles with high refractive index for an optically induced magnetic response, thus underpinning a new approach to design and fabricate functional and practical metadevices. Here we review the recent developments in meta-optics and subwavelength dielectric photonics and demonstrate that the Mie resonances can play a crucial role in the realization of the unique functionalities of meta-atoms, also driving novel effects in the fields of metamaterials and nanophotonics. We discuss the recent research frontiers in all-dielectric meta-optics and uncover how Mie resonances can be employed for a flexible control of light with full phase and amplitude engineering, including unidirectional metadevices, highly transparent metasurfaces, non-linear nanophotonics and topological photonics.