扫描光纤耦合量子点的电场传感
Electric field sensing with a scanning fiber-coupled quantum dot
摘要：
我们演示了光纤耦合量子点在针尖作为探针扫描电场显微镜的应用。通过测量量子点谱线上的量子限制斯塔克效应，绘制了一对电极产生的电场的面外分量。我们的结果与有限元模拟的实验是一致的。此外，我们提出的结果，从分析计算和模拟相关的任何电场传感器嵌入在一个介电尖端。特别是，我们强调的尖端几何形状的分辨率和灵敏度的影响。
英文摘要：
We demonstrate the application of a fiber-coupled quantum-dot-in-a-tip as a probe for scanning electric field microscopy. We map the out-of-plane component of the electric field induced by a pair of electrodes by measurement of the quantum-confined Stark effect induced on a quantum dot spectral line. Our results are in agreement with finite element simulations of the experiment. Furthermore, we present results from analytic calculations and simulations which are relevant to any electric field sensor embedded in a dielectric tip. In particular, we highlight the impact of the tip geometry on both the resolution and sensitivity.
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