Plasmon molecules in overlapping nanovoids

被引：9

作者：

Romero, I. ^{[1
]}

Teperik, T. V. ^{[1
,2
]}

de Abajo, F. J. Garcia ^{[1
,3
]}

机构：

[1] Donostia Int Phys Ctr, San Sebastian 20080, Spain

[2] Russian Acad Sci, Inst Radio Engn & Elect, Saratov Div, Saratov 410019, Russia

[3] CSIC, Inst Opt, E-28006 Madrid, Spain

来源：

PHYSICAL REVIEW B | 2008年 / 77卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.77.125403

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Coupled and shape-tailored metallic nanoparticles are known to exhibit hybridized plasmon resonances. This paper discusses the optical properties of a complementary system formed by overlapped nanovoid dimers buried in gold and filled with silica. This is an alternative route for plasmon engineering that benefits from vanishing radiation losses. Our analysis demonstrates the possibility of designing artificial plasmon molecules on the basis of void plasmon hybridization, which allows fine mode tuning by varying the overlap between voids. The proposed structures could find application to both signal processing through buried optical elements and tunable-plasmon biosensing.

引用

页数：4

共 22 条

[1] Optical properties of gold nanorings -: art. no. 057401 [J].