Two-Level Ultrabright Single Photon Emission from Diamond Nanocrystals

被引：110

作者：

Aharonovich, Igor ^{[1
]}

Castelletto, Stefania ^{[1
]}

Simpson, David A. ^{[2
]}

Stacey, Alastair ^{[1
]}

McCallum, Jeff ^{[1
]}

Greentree, Andrew D. ^{[1
]}

Prawer, Steven ^{[1
,2
]}

机构：

[1] Univ Melbourne, Sch Phys, Parkville, Vic 3010, Australia

[2] Quantum Commun Victoria, Parkville, Vic 3010, Australia

来源：

NANO LETTERS | 2009年 / 9卷 / 09期

基金：

澳大利亚研究理事会;

关键词：

ROOM-TEMPERATURE; DEFECT CENTER; MOLECULE; CENTERS;

D O I：

10.1021/nl9014167

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The fabrication of stable ultrabright single photon sources operating at room temperature Is reported. The emitter is based on a color center within a diamond nanocrystal grown on a sapphire substrate by chemical vapor deposition method and exhibits a two-level electronic behavior with a maximum measured count rate of 3.2 x 10(6) counts/s at saturation. The emission is centered at similar to 756 nm with a full width at half-maximum similar to 11 nm and an excited state lifetime of 3.7 ns. These unique properties make it a leading candidate for quantum photonics and communication applications as well as for cellular biomarking.

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收藏

页码：3191 / 3195

页数：5

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