Fabrication of non-planar silver nano-arc-gap arrays

被引:9
|
作者
Shen, Yang [1 ]
Liu, Mingkai [1 ]
Wang, Qianjin [2 ,3 ]
Zhan, Peng [2 ,3 ]
Wang, Zhenlin [2 ,3 ]
Zhu, Qiangzhong [1 ]
Chen, Xia [1 ]
Jiang, Shaoji [1 ]
Wang, Xuehua [1 ]
Jin, Chongjun [1 ]
机构
[1] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
[2] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
[3] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
关键词
EXTRAORDINARY OPTICAL-TRANSMISSION; SUBWAVELENGTH; ENHANCEMENT; LIGHT; MODES;
D O I
10.1039/c2nr30152k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We developed a method to fabricate an array of silver non-planar nano-arc-gaps via inverted hemispherical colloidal lithography and shadow metal evaporation methods. It is found that there is a localized surface plasmon mode which results in extraordinary optical transmission. The electric field is strongly localized at the nano-arc-gap region and therefore induces a resonance that has an ultra-small mode volume of less than 2.44 x 10(-6) mu m(3). The ratio of the quality factor to the mode volume is as high as 1.44 x 10(6) mu m(-3). This would be valuable for the design of optoelectric circuits.
引用
收藏
页码:2255 / 2259
页数:5
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