Krasnok, Alexander; Maloshtan, Alex; Chigrin, Dmitry N; Belov, Pavel A; Kivshar, Yuri
A novel approach to facilitate excitation and readout processes of isolated negatively charged nitrogen-vacancy (NV) centers is proposed. The approach is based on the concept of all-dielectric nanoantennas. It is shown that the all-dielectric nanoantenna can significantly enhance both the emission rate and emission extraction efficiency of a photoluminescence signal from a single NV center in a diamond nanoparticle on a dielectric substrate. The proposed approach provides high directivity,...[Show more]
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