论文标题
量子点的高分辨率光谱是由两个强相干场驱动的
High-resolution spectroscopy of a quantum dot driven bichromatically by two strong coherent fields
论文作者
论文摘要
我们提出了光谱实验和由两个强相激光驱动的量子点驱动的量子点的理论。特别是,我们探索了驱动强度足以应对一般的非扰动分析的状态,从而产生了丰富的高阶浮标穿着状态的能量结构。我们显示了高分辨率光谱测量值,并在单个INGAAS量子点上进行了多种激光失调,其结果特征通过时间依赖于时间依赖的量子主方程和FloQuet分析很好地解释了。值得注意的是,驱动量子点的共振和随后的Mollow三胞胎sidepeaks之一,我们观察到中央过渡的消失和随后的重新出现,并在高可失去的激光泵强度和其他高阶效果下使用引人注目的激光器,并具有引人注目的激光器。较高谐波和高阶浮雕状态的签名处的排放三重态。对于类似的激发条件,但具有异化的初级激光器,我们观察到相似的光谱特征,但具有增强的固有光谱不对称性。
We present spectroscopic experiments and theory of a quantum dot driven bichromatically by two strong coherent lasers. In particular, we explore the regime where the drive strengths are substantial enough to merit a general non-perturbative analysis, resulting in a rich higher-order Floquet dressed-state energy structure. We show high resolution spectroscopy measurements with a variety of laser detunings performed on a single InGaAs quantum dot, with the resulting features well explained with a time-dependent quantum master equation and Floquet analysis. Notably, driving the quantum dot resonance and one of the subsequent Mollow triplet sidepeaks, we observe the disappearance and subsequent reappearance of the central transition and transition resonant with detuned-laser at high detuned-laser pump strengths and additional higher-order effects, e.g. emission triplets at higher harmonics and signatures of higher order Floquet states. For a similar excitation condition but with an off-resonant primary laser, we observe similar spectral features but with an enhanced inherent spectral asymmetry.