论文标题
辐射级联反重置的主动重置用于超静脉纠缠的光子生成
Active reset of a radiative cascade for superequilibrium entangled photon generation
论文作者
论文摘要
从级联的几个级别系统中发出的纠缠光子的发电速率在本质上受到辐射过渡的寿命的限制。在这里，我们通过基于辐射级联的主动重置的新型驾驶方式克服了从量子点纠缠的光子对的限制。我们在理论上和实验上显示了驾驶方式，使其能够与最佳连续驱动的平衡状态相比，具有更高的保真度和强度的纠缠光子对。最后，我们以$（79.5 \ pm 1.1）\％$的总忠诚度发电纠缠的光子对，以1.15GHz的创纪录速率。
The generation rate of entangled photons emitted from cascaded few-level systems is intrinsically limited by the lifetime of the radiative transitions. Here, we overcome this limit for entangled photon pairs from quantum dots via a novel driving regime based on an active reset of the radiative cascade. We show theoretically and experimentally the driving regime to enable the generation of entangled photon pairs with higher fidelity and intensity compared to the optimum continuously driven equilibrium state. Finally, we electrically generate entangled photon pairs with a total fidelity of $(79.5 \pm 1.1)\%$ at a record clock rate of 1.15GHz.
