Enhanced Photoluminescence of Single-Photon Emitters in Nanodiamonds on a Gold Film

被引：29

作者：

Chi, Yingzhi ^{[1
]}

Chen, Gengxu ^{[1
]}

Jelezko, Fedor ^{[2
,3
]}

Wu, E. ^{[1
]}

Zeng, Heping ^{[1
]}

机构：

[1] E China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China

[2] Univ Stuttgart, Inst Phys 3, D-70550 Stuttgart, Germany

[3] Univ Stuttgart, Res Ctr SCOPE, D-70550 Stuttgart, Germany

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2011年 / 23卷 / 06期

基金：

高等学校博士学科点专项科研基金;

关键词：

Gold film; nanodiamond; nitrogen-vacancy (NV) color center; surface plasmon; ROOM-TEMPERATURE; FLUORESCENCE; NANOPARTICLES; DIAMOND; RESONANCE; EMISSION; MOLECULE; CENTERS;

D O I：

10.1109/LPT.2011.2106488

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：

Engineering the photo-emission characteristics of single-photon emitters is crucial for the growing field of quantum technologies. We show that the photoluminescence of a single nitrogen-vacancy color center in nanodiamond could be significantly enhanced when attached to a gold film of 50 nm with preserving photophysical properties as a single photon source. The nitrogen-vacancy center on the gold film showed a decreased excited-state lifetime and a modified saturation characteristic. The photoluminescence enhancement was due to the enhanced electric field by the surface plasmon and the energy transfer from the excited state of nitrogen-vacancy centers to the surface plasmon.

引用

页码：374 / 376

页数：3

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