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Q: Fachverband Quantenoptik und Photonik

Q 9: Quantum Communication II

Q 9.4: Vortrag

Montag, 6. März 2017, 17:45–18:00, P 3

ODMR on diamond’s negatively charged defects based on IV group of elements — •Petr Siyushev, Mathias Metsch, Lachlan Rogers, Aroosa Ijaz, and Fedor Jelezko — Institute for Quantum Optics and IQST, Ulm University, Ulm, Germany

Growing interest to the defects based on elements of IV group of the periodic table such as silicon-vacancy (SiV) or germanium-vacancy (GeV) is stimulated by their good optical properties. Besides high Debye-Waller factor, they exhibit exceptional spectral stability which is rare for solid state systems vulnerable to the surrounding charge fluctuations. This property is dictated by the physical structure of these defects. However, their electronic structure does not allow simple access to electron spin by microwave field which technique is widely used for the well-known NV center. Here, we discuss the way how to overcome this problem and demonstrate optically-detected magnetic resonance on a single GeV defect.