Plasmonic resonators for enhanced diamond NV- center single photon sources

Details Plasmonic resonators for enhanced diamond NV- center single photon sources Plasmonic resonators for enhanced diamond NV- center single photon sources

2011-01-24

arxiv.org/abs/1101.4574v1

Physics

Optics

9 pages, 7 figures

Scientific paper

We propose a novel source of non-classical light consisting of plasmonic aperture with single-crystal diamond containing a single Nitrogen-Vacancy (NV) color center. Theoretical calculations of optimal structures show that these devices can simultaneously enhance optical pumping by a factor of 7, spontaneous emission rates by Fp ~ 50 (Purcell factor), and offer collection efficiencies up to 40%. These excitation and collection enhancements occur over a broad range of wavelengths (~30nm), and are independently tunable with device geometry, across the excitation (~530nm) and emission (~600-800nm) spectrum of the NV center. Implementing this system with top-down techniques in bulk diamond crystals will provide a scalable architecture for a myriad of diamond NV center applications.

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