Frequency conversion of propagating surface plasmon polaritons by organic molecules

被引：10

作者：

Hakala, T. K. ^{[1
]}

Toppari, J. J. ^{[1
]}

Pettersson, M. ^{[2
]}

Kuzyk, A. ^{[1
,3
]}

Tikkanen, H. ^{[2
]}

Kunttu, H. ^{[2
]}

Torma, P. ^{[3
]}

机构：

[1] Univ Jyvaskyla, Dept Phys, Nanosci Ctr, Jyvaskyla 40014, Finland

[2] Univ Jyvaskyla, Dept Chem, Nanosci Ctr, Jyvaskyla 40014, Finland

[3] Helsinki Univ Technol, Dept Engn Phys, Helsinki 02015, Finland

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 12期

基金：

芬兰科学院;

关键词：

D O I：

10.1063/1.2987726

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate frequency conversion of surface plasmon polaritons (SPP) by utilizing the coupling between organic dye molecules and SPP. Launching of SPPs into a plasmonic waveguide is done in two ways: by optically excited molecules and by quantum dots (QDs). QDs are demonstrated to overcome the major problem of bleaching occurring with molecules. The SPP propagates tens of micrometers and clear frequency conversion is observed in the SPP spectrum after passing an area of converter molecules. The use of molecules and QDs as elements of all-plasmonic devices has the potential for high integration and use of self-assembly in fabrication. (C) 2008 American Institute of Physics.

引用

页数：3

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