Coherent Optical Transitions in Implanted Nitrogen Vacancy Centers
Coherent Optical Transitions in Implanted Nitrogen Vacancy Centers
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DOI：
10.1021/nl404836p
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发表时间：
2014-04-01
期刊：
影响因子：
10.8
通讯作者：
Lukin, M. D.
中科院分区：
文献类型：
--
作者：
Chu, Y.;de Leon, N. P.;Lukin, M. D.
我们报道了离子注入产生的氮空位（NV）中心的稳定光学跃迁的观察。使用高温退火和随后的表面处理相结合，我们可重复地创建具有零声子线（ZPL）的NV中心，其光谱扩散接近寿命限制的光线宽度。利用共振光泵浦维持NV电荷态，进一步减小了残余光谱扩散。这种方法允许在定义良好的器件层中放置具有优异光学相干性的NV中心，这是开发用于量子光学、纳米光子学和量子信息科学的金刚石基器件的关键一步。
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.