论文标题
钻石中隐藏的硅离散中心
Hidden Silicon-Vacancy Centers in Diamond
论文作者
论文摘要
我们使用共线光学多维相干光谱法表征了带负电荷的硅胶囊（SIV $^ - $）中心的高密度样本。通过比较互补信号检测方案的结果，我们确定了\ ce {siv^ - }中心的隐藏群体，通常在光致发光中观察到，并且表现出明显的光谱不均匀性和扩展的电子$ t_2 $次。该现象可能是由应变引起的，表明在基于色中心的量子设备中控制电相干性的潜在机制。
We characterize a high-density sample of negatively charged silicon-vacancy (SiV$^-$) centers in diamond using collinear optical multidimensional coherent spectroscopy. By comparing the results of complementary signal detection schemes, we identify a hidden population of \ce{SiV^-} centers that is not typically observed in photoluminescence, and which exhibits significant spectral inhomogeneity and extended electronic $T_2$ times. The phenomenon is likely caused by strain, indicating a potential mechanism for controlling electric coherence in color-center-based quantum devices.
