Optimum photoluminescence excitation and recharging cycle of single nitrogen-vacancy centers in ultrapure diamond

K. Beha, A. Batalov*, N. B. Manson, R. Bratschitsch, A. Leitenstorfer

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    141 Citations (Scopus)

    Abstract

    Important features in the spectral and temporal photoluminescence excitation of single nitrogen-vacancy (NV) centers in diamond are reported at conditions relevant for quantum applications. Bidirectional switching occurs between the neutral (NV0) and negatively charged (NV -) states. Luminescence of NV - is most efficiently triggered at a wavelength of 575nm which ensures optimum excitation and recharging of NV0. The dark state of NV - is identified as NV0. A narrow resonance is observed in the excitation spectra at 521nm, which mediates efficient conversion to NV0.

    Original languageEnglish
    Article number097404
    JournalPhysical Review Letters
    Volume109
    Issue number9
    DOIs
    Publication statusPublished - 30 Aug 2012

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