Photochromism in single nitrogen-vacancy defect in diamond

被引：120

作者：

Gaebel, T ^{[1
]}

Domhan, M

Wittmann, C

Popa, I

Jelezko, F

Rabeau, J

Greentree, A

Prawer, S

Trajkov, E

Hemmer, PR

Wrachtrup, J

机构：

[1] Univ Stuttgart, Phys Inst 3, Stuttgart, Germany

[2] Univ Melbourne, Sch Phys, Melbourne, Vic, Australia

[3] Texas A&M Univ, Dept Elect Engn, College Stn, TX 77843 USA

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2006年 / 82卷 / 02期

关键词：

D O I：

10.1007/s00340-005-2056-2

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Photochromism in single nitrogen-vacancy optical centers in diamond is demonstrated. Time-resolved optical spectroscopy shows that intense irradiation at 514 nm switches the nitrogen-vacancy defects to the negative form. This defect state relaxes back to the neutral form under dark conditions. Temporal anticorrelation of photons emitted by the different charge states of the optical center unambiguously indicates that the nitrogen-vacancy defect accounts for both 575 nm and 638 nm emission bands. Possible mechanism of photochromism involving nitrogen donors is discussed.

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页码：243 / 246

页数：4

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