Journal
NANO LETTERS
Volume 8, Issue 11, Pages 3911-3915Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl8023627
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Funding
- DFG [SFB 448, GRK 1025]
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In this letter, we present the on-demand coupling of single NV- defect centers in nanodiamonds to a polystyrene microspherical resonator. From an ensemble on a coverslip, we select single nanodiamonds containing a single defect proven by a pronounced antibunching dip. With the help of a scanning near-field probe, we can attach these nanodiamonds to a microsphere resonator one-by-one. A clearly modulated fluorescence spectrum demonstrates coupling of the single defect centers to high-Q whispering-gallery modes. Our experiments establish a toolbox to assemble complex systems consisting of single quantum emitters and (coupled) microresonators.
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