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

被引：28
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
收藏
页码：374 / 376
页数：3
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