Plasmonic nano-structures for opto-mechanical and sensing applications

被引：0
|
作者：
Rosa, L. [1 ]
Gervinskas, G. [1 ]
Brasselet, E. [2 ]
Juodkazis, S. [1 ,3 ]
机构：
[1] Swinburne Univ Technol, Ctr Microphoton, FEIS, Hawthorn, Vic 3122, Australia
[2] Univ Bordeaux 1, CNRS, LOMA, UMR 5798, F-33400 Talence, France
[3] Melbourne Ctr Nanofabricat, Clayton, Vic 3168, Australia
来源：
2012 CONFERENCE ON OPTOELECTRONIC AND MICROELECTRONIC MATERIALS AND DEVICES (COMMAD 2012) | 2012年
关键词：
D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We simulate the spectral properties of simple plasmonic nanoparticles (NPs), which we have fabricated with electron beam lithography (EBL) and lift-off, with or without nano-grooves milled by ion-beam lithography (IBL). We estimate the NP behaviour under laser illumination using 3D finite difference time domain (FDTD) simulations, showing that simple non-chiral NPs can generate torque from circularly polarized beams and emit optical vortices via spin-orbit coupling. We demonstrate numerically the position and intensity control of field enhancement hot-spots in chiral NPs illuminated by optical vortex, by combining spin/orbit momentum and NP chirality.
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页码：111 / +
页数：2
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