Photochromism in single nitrogen-vacancy defect in diamond

T. Gaebel*, M. Domhan, C. Wittmann, I. Popa, F. Jelezko, J. Rabeau, A. Greentree, S. Prawer, E. Trajkov, P. R. Hemmer, J. Wrachtrup

*Corresponding author for this work

Research output: Contribution to journalArticle

105 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)243-246
Number of pages4
JournalApplied Physics B: Lasers and Optics
Volume82
Issue number2 SPEC. ISS.
DOIs
Publication statusPublished - Feb 2006
Externally publishedYes

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