期刊
NANO LETTERS
卷 14, 期 4, 页码 1982-1986出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl404836p
关键词
nitrogen vacancy center; spectral diffusion; diamond; implantation; annealing surface treatment
类别
资金
- NSF [DMR-1231319]
- CUA
- DARPA QUASAR program
- SPARQC program
- STC Center for Integrated Quantum Materials
- NSF GRFP
- Element Six Postdoctoral fellowship
- HQOC
- Division Of Physics
- Direct For Mathematical & Physical Scien [0969816, 1125846] Funding Source: National Science Foundation
We report the observation of stable optical transitions in nitrogen-vacancy (NV) centers created by ion implantation. Using a combination of high temperature annealing and subsequent surface treatment, we reproducibly create NV centers with zero-phonon lines (ZPL) exhibiting spectral diffusion that is close to the lifetime-limited optical line width. The residual spectral diffusion is further reduced by using resonant optical pumping to maintain the NV- charge state. This approach allows for placement of NV centers with excellent optical coherence in a well-defined device layer, which is a crucial step in the development of diamond-based devices for quantum optics, nanophotonics, and quantum information science.
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