Diamond optical emitters have been explored extensively in recent years for applications to quantum information and processing. Recently they have also been considered for quantum sensing, especially as nanocrystals in biological systems. However, for most of these applications, the performance of the diamond optical emitters is sensitive to the quality of the material. However, there are still important problems that still must be solved in order to realize the full potential of diamond. For example, existing growth and processing techniques (including ion implantation) are fundamentally probabilistic in nature and so cannot easily produce scalable quantum systems. To overcome these problems, we show a molecule-seeded growth technique that decouples the doping and growth processes. The result is near-deterministic creation of specific color centers in chemically pure, low-strain diamond.
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