All-optical Control of surface plasmon polaritons based on metal slit structures

J4 ›› 2014, Vol. 31 ›› Issue (4): 428-432.

• 《量子电子学报》创刊三十周年纪念专辑 • 上一篇下一篇

陈建军，李智，龚旗煌

1北京大学物理学院, 人工微结构和介观物理国家重点实验室, 北京 100871 2量子物质科学协同创新中心，北京 100871

出版日期:2014-07-28 发布日期:2014-07-30
通讯作者: 龚旗煌（1964-）福建莆田人，教授，中国科学院院士。主要研究领域为非线性光学新效应及介观光学新材料，飞秒科学和超快超强光物理。 E-mail:qhgong@pku.edu.cn
作者简介:陈建军（1982-），湖南衡阳人，研究员，研究兴趣为表面等离激元纳米光学。Email: jjchern@pku.edu.cn
基金资助:
国家重点基础研究发展计划（2013CB328704），国家自然科学基金（11204018、11134001）资助

All-optical Control of surface plasmon polaritons based on metal slit structures

Jianjun Chen， Zhi Li， Qihuang Gong

1 State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, China 2 Collaborative Innovation Center of Quantum Matter, Beijing 100871, China

Published:2014-07-28 Online:2014-07-30

摘要/Abstract

摘要： 表面等离激元是束缚在金属—介质交界面上的一种电磁波模式，可突破衍射极限，被认为是下一代集成光子回路最有希望的信息载体。基于我们的研究工作，就几种表面等离激元金属狭缝结构的原理和应用做了简单概述。利用法布里-波罗谐振腔、法诺共振、多模干涉等光学效应，这些金属狭缝结构可对表面等离激元的传输行为进行有效地调控。在理论上和实验上，利用金属狭缝结构实现了亚波长表面等离激元单向激发器、亚微米宽带单向激发器、亚微米分束器、超紧凑纳米聚焦器件和亚微米全光开关等纳米光子器件。这些纳米光子器件在纳米集成光学中具有重要应用。

关键词: 纤维与波导光学; 表面等离激元；单向激发器；分束器；纳米聚焦；全光开关

Abstract: Surface plasmon polaritons (SPPs), the electromagnetic fields propagating along the metal-dielectric interface, are regard as the promising candidate of the next photonic integrated circuits. Several metal slit structures based on the SPPs are summarized. By using the Fabry–Perot resonator effect, Fano resonance, and multimode interference, the SPP propagation could be controlled and modulated by these metal slit structures. As a result, a subwavelength unidirectional SPP generator, a submicron broad unidirectional SPP generator, submicron SPP splitters, nano-focusing devices, and submicron all-optical switches were realized in the metal slit structures. These nano-plasmonic devices have important applications in highly integrated photonics.

Key words: Fiber and waveguide optics; surface plasmon polaritons; unidirectional generator; splitter; nano-focusing; all-optical switch

中图分类号:

陈建军，李智，龚旗煌. [J]. J4, 2014, 31(4): 428-432.

Jianjun Chen， Zhi Li， Qihuang Gong. All-optical Control of surface plasmon polaritons based on metal slit structures[J]. J4, 2014, 31(4): 428-432.

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