Single-photon source based on NV center in nanodiamond coupled to TiN-based hyperbolic metamaterial

Abstract

We experimentally demonstrate both the lifetime reduction and the enhancement of single-photon emission from nitrogen-vacancies in nanodiamonds coupled to a TiN/Al<sub>0.6</sub>Sc<sub>0.4</sub>N superlattice. Our results pave the way towards future CMOS-compatible integrated quantum sources. 

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