论文标题
饱和原子的次级亚品质：长期寿命状态的人口增强
Subradiance with saturated atoms: population enhancement of the long-lived states
论文作者
论文摘要
偶极 - 偶极相互作用是长寿命的集体原子状态的起源，通常称为subradiant，这些原子态因其在新型光子设备或量子方案中的潜在用途而被探索。在这里，我们研究了线性光学元件之外的次级次级，并在实验上证明了这些模式的种群增加了200倍，因为驱动场的饱和参数增加。我们将这种增强性归因于类似于耦合良好耦合的超级态光学泵送的机制。由于系统最终驱动到单激发部门，因此一生不受泵强度的影响。
Dipole-dipole interactions are at the origin of long-lived collective atomic states, often called subradiant, which are explored for their potential use in novel photonic devices or in quantum protocols. Here, we study subradiance beyond linear optics and experimentally demonstrate a two hundred-fold increase in the population of these modes, as the saturation parameter of the driving field is increased. We attribute this enhancement to a mechanism similar to optical pumping through the well-coupled superradiant states. The lifetimes are unaffected by the pump strength, as the system is ultimately driven toward the single-excitation sector.
