All-Optical Modulation of Localized Surface Plasmon Coupling in a Hybrid System Composed of Photoswitchable Gratings and Au Nanodisk Arrays

被引：55

作者：

Liu, Yan Jun ^{[1
]}

Zheng, Yue Bing ^{[1
]}

Liou, Justin ^{[2
]}

Chiang, I-Kao ^{[1
]}

Khoo, Iam Choon ^{[2
]}

Huang, Tony Jun ^{[1
]}

机构：

[1] Penn State Univ, Dept Engn Sci & Mech, University Pk, PA 16802 USA

[2] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 15期

基金：

美国国家科学基金会;

关键词：

NEMATIC LIQUID-CRYSTAL; ELECTROMAGNETIC ENERGY-TRANSPORT; ENHANCED DIFFRACTION GRATINGS; CONJUGATED POLYMERS; GOLD NANOPARTICLES; SILVER NANOCUBES; HOLE ARRAYS; TRANSMISSION; LIGHT; RESONANCE;

D O I：

10.1021/jp111256u

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We conduct a real-time study of all-optical modulation of localized surface plasmon resonance (LSPR) coupling in a hybrid system that integrates a photoswitchable optical grating with a gold nanodisk array. This hybrid system enables us to investigate two important interactions: (1) LSPR-enhanced grating diffraction and (2) diffraction-mediated LSPR in the Au nanodisk array. The physical mechanism underlying these interactions was analyzed and experimentally confirmed. With its advantages in cost-effective fabrication, easy integration, and all-optical control, the hybrid system described in this work could be valuable in many nanophotonic applications.

引用

页码：7717 / 7722

页数：6

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