Author Affiliations
Abstract
University of California, Department of Electrical and Computer Engineering, San Diego, La Jolla, California, United States
Optical metamaterials and metasurfaces, which emerged in the course of the last few decades, have revolutionized our understanding of light and light–matter interaction. While solid materials are naturally employed as key building elements for construction of optical metamaterials mainly due to their structural stability, practically no attention was given to study of liquid-made optical two-dimensional (2-D) metasurfaces and the underlying interaction regimes between surface optical modes and liquids. We theoretically demonstrate that surface plasmon polaritons and slab waveguide modes that propagate within a thin liquid dielectric film trigger optical self-induced interaction facilitated by surface tension effects, which leads to the formation of 2-D optical liquid-made lattices/metasurfaces with tunable symmetry and can be leveraged for tuning of lasing modes. Furthermore, we show that the symmetry breaking of the 2-D optical liquid lattice leads to phase transition and tuning of its topological properties, which allows the formation, destruction, and movement of Dirac-points in the k-space. Our results indicate that optical liquid lattices support extremely low lasing threshold relative to solid dielectric films and have the potential to serve as configurable analogous computation platform.
light–fluid interaction optofluidics optical metasurfaces nanoplasmonics nanophotonics 
Advanced Photonics
2019, 1(6): 066003
余晓畅 1,2,*赵建村 1,2虞益挺 1,2
作者单位
摘要
1 西北工业大学 空天微纳系统教育部重点实验室, 陕西 西安 710072
2 西北工业大学 陕西省微纳机电系统重点实验室, 陕西 西安 710072
传统光谱成像系统采用探测器与传统分光元件耦合的方式, 体积较大、定制化能力不足。微/纳光机电系统的快速发展, 为微型化光谱成像系统提供了解决途径。基于表面等离激元学和光学超表面的微纳滤波结构, 可实现像素级的光场调控, 有望替代传统滤波器件并具有与成像系统片上集成的潜力。近年来, 集成了动态或静态滤波结构的光谱成像微系统已崭露头角, 逐渐构建起全新的光谱成像方法, 但在原理机制、器件性能、制造成本、集成装配工艺等方面还有许多需要攻克的难题。本文综述了国内外在像素级微纳滤波结构、滤波和成像器件的集成制造和装配等方面的研究进展, 梳理了光学滤波-探测集成器件的发展脉络, 探讨了其局限性并展望了发展趋势。
光谱成像 集成光学器件 光学滤波 光学超表面 spectral imaging integrated optical devices color filtering optical metasurfaces 
光学 精密工程
2019, 27(5): 999

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