Coupling of single NV center to adiabatically tapered optical single mode fiberVadim V. Vorobyov, Vladimir V. Soshenko, Stepan V. Bolshedvorskii, Javid Javadzade, Nikolay Lebedev, Andrey N. Smolyaninov, Vadim N. Sorokin and Alexey V. AkimovEur. Phys. J. D, 70 12 (2016) 269DOI: https://doi.org/10.1140/epjd/e2016-70099-3