Enhancing single-photon emission of silicon-vacancy centers in nanodiamonds by a gold film

被引：0
|
作者：
Romshin, A. M. [1 ]
Gritsienko, A. V. [2 ]
Ilin, A. S. [3 ]
Bagramov, R. K. [4 ]
Filonenko, V. P. [4 ]
Vitukhnovsky, A. G. [2 ]
Vlasov, I. I. [1 ]
机构：
[1] RAS, Prokhorov Gen Phys Inst, Moscow, Russia
[2] Natl Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow Region, Russia
[3] Kotelnikov Inst Radioengn & Elect, Fryazino, Moscow Region, Russia
[4] RAS, Vereshchagin Inst High Pressure Phys, Moscow, Russia
来源：
ST PETERSBURG POLYTECHNIC UNIVERSITY JOURNAL-PHYSICS AND MATHEMATICS | 2023年 / 16卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
nanodiamonds; color centers; single photon; fluorescence; plasmonics;
D O I：
10.18721/JPM.161.323
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this work, the single-photon emission of SiV-centers in HPHT-nanodiamonds positioned on the surface of silicon plate and gold film was investigated. Fluorescence spectra, saturation curves and fluorescence decay curves were measured for a number of SiV-emitters. A reduction in the fluorescence lifetime by similar to 20%, as well as a spectral shift and a decrease in the width of the zero-phonon line of SiV fluorescence were observed for most emitters. Analysis of the saturation curves revealed an increase in the emission rates by an average of 3 times, and up to 13 times for some particles. The wide variation is primarily associated with the orientation of the dipole moment of the SiV centers and the size of diamond particles, which are the key parameters regulating the coupling of the emitter with surface plasmons in the gold film.
引用
收藏
页码：135 / 139
页数：5
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