激光与光电子学进展, 2017, 54 (5): 050002, 网络出版: 2017-05-03   

表面等离激元的传播操控:从波束调制到近场全息 下载: 3652次

Manipulating Surface Plasmon Propagation: From Beam Modulation to Near-Field Holography
作者单位
南京大学固体微结构物理国家重点实验室, 现代工程与应用科学学院,人工微结构科学与技术协同创新中心, 江苏 南京 210093
摘要
表面等离激元是一种存在金属与介质界面的电磁模式, 具有亚波长传播和局域场增强的特性, 因而受到人们的青睐, 作为在微纳尺度下进行光子操纵和集成的优良载体。随着人们对表面等离激元认识的不断深入和对微纳光子器件应用需求的增加, 如何在近场范围内精确调控等离激元波的传播并实现特定的场强分布成为人们关注的热点。综述人们通过微纳结构对等离激元波进行操控所发展的新原理和新方法, 以及对波束性质和近场分布调控的研究进展; 重点介绍包括艾里波束、无衍射准直波束、角向贝塞尔波束在内的各类特殊等离激元波束的基本特性, 产生与调控的实现, 以及近年来拓展的近场全息技术; 并进一步探讨表面等离激元光场调控在新型微纳光子学器件中的可能应用。
Abstract
Surface plasmon polariton (SPP) is a kind of electromagnetic mode confined at the interface of metal and dielectric, and it is expected to be a good carrier for photonic arrangement and integration in micro/nano scale owing to its strong field enhancement and confinement properties. Along with the deep understanding of SPP properties and the increasing requirement for developing micro/nano optical devices, how to precisely control the propagation of SPP waves and realize the specific distribution of near-field intensity has become the focus. We review the new principles and methods of manipulating the SPP beams by micro/nano structures, and the enhanced ability to control the beam property and the near-field distribution. The basic characteristics, the generation and the control of the special plasmon beams, including Airy beams, diffraction-free collimating beams and angular Bessel beams, are mainly addressed, which has been extended to near-field holography recently. The possible applications of novel micro/nano photonics devices based on SPP manipulation are discussed as well.

李涛, 陈绩, 祝世宁. 表面等离激元的传播操控:从波束调制到近场全息[J]. 激光与光电子学进展, 2017, 54(5): 050002. Li Tao, Chen Ji, Zhu Shining. Manipulating Surface Plasmon Propagation: From Beam Modulation to Near-Field Holography[J]. Laser & Optoelectronics Progress, 2017, 54(5): 050002.

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