利用远场光刻实现柱状微腔中单个量子点的可控光-物质耦合
Controlled light-matter coupling for a single quantum dot embedded in a pillar microcavity using far-field optical lithography
摘要：
使用远场光学光刻，单个量子点以50 nm的精度定位在柱状微腔内。在10 K下原位进行光刻，同时测量量子点发射。确定性的光谱和空间匹配的腔点系统是在一个单一的步骤过程中实现的，并证明了观察到的强烈的Purcell效应。实现了两个量子点到同一光模的确定性耦合，这是量子计算的一个里程碑。
英文摘要：
Using far field optical lithography, a single quantum dot is positioned within a pillar microcavity with a 50 nm accuracy. The lithography is performed in-situ at 10 K while measuring the quantum dot emission. Deterministic spectral and spatial matching of the cavity-dot system is achieved in a single step process and evidenced by the observation of strong Purcell effect. Deterministic coupling of two quantum dots to the same optical mode is achieved, a milestone for quantum computing.
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