孤立金刚石晶体中色心集合阴极发光的亚泊松到超泊松光子统计特性
Sub-to-super-Poissonian photon statistics in cathodoluminescence of color center ensembles in isolated diamond crystals
AI总结：
本研究针对金刚石色心集合光子发射统计的调控问题，通过电子束激发同步发射体的方式，实验实现了二阶关联函数$g_2(0)$可在大于1和小于1间调节的光子源，为室温信息技术提供可调谐平台。
摘要：
金刚石中的杂质-空位中心提供了一类新型具有多样量子特性的鲁棒光子源。单个色心通常充当单光子源，而理论上预测其集合体具有可调谐的光子发射统计特性。重要的是，特定的激发类型会影响金刚石晶体中色心集合的发射特性。光激发有利于集合内色心的非同步激发，而电子束激发可以使发射体同步，从而实现对二阶关联函数$g_2(0)$的调控。在这篇快报中，我们通过实验证明，来自色心集合的光子流的$g_2(0)$既可以大于1，也可以小于1。这种基于金刚石晶体中少量色心集合的光子源，为室温下运行的信息技术提供了高度可调谐的平台。
英文摘要：
Impurity-vacancy centers in diamond offer a new class of robust photon sources with versatile quantum properties. While individual color centers commonly act as single-photon sources, their ensembles have been theoretically predicted to have tunable photon-emission statistics. Importantly, the particular type of excitation affects the emission properties of a color center ensemble within a diamond crystal. While optical excitation favors non-synchronized excitation of color centers within an ensemble, electron-beam excitation can synchronize the emitters and thereby provides a control of the second-order correlation function $g_2(0)$. In this letter, we demonstrate experimentally that the photon stream from an ensemble of color centers can exhibit $g_2(0)$ both above and below unity. Such a photon source based on an ensemble of few color centers in a diamond crystal provides a highly tunable platform for informational technologies operating at room temperature.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
