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Berlin 2015 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 105: Quantum Information Systems: Si Vacancies and NV Centers (jointly with HL)

TT 105.8: Talk

Thursday, March 19, 2015, 16:45–17:00, ER 164

Linear polarization properties of the NV center photoluminesence in diamond — •Dion Braukmann1, Jörg Debus1, Vladimir L. Korenev2, Vitalii Yu. Ivanov3, Dmitri R. Yakovlev1, and Manfred Bayer11Experimentelle Physik 2, Technische Universität Dortmund, 44227 Dortmund, Germany — 2Ioffe Physical-Technical Institute, Russian Academy of Science, 194021 St. Petersburg, Russia — 3Institute of Physics, Polish Academy of Sciences, 02668 Warsaw, Poland

The negatively charged nitrogen-vacancy (NV) center in diamond has been studied in recent years on account of possible applications in quantum information processing, spin-electronics and, e.g., biophotonics. Particular focus has been drawn onto its optical properties. We report on polarization-dependent optical studies of NV centers in diamond subjected to high magnetic fields of up to 10 T. We observe asymmetric Zeeman splitting of the zero-phonon line photoluminescence, a strong optical alignment as well as Faraday rotation at room temperature. The linear polarization properties of the NV photoluminescence are studied as function of the diamond crystal orientation in the stationary and time-resolved regimes.

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