Tunneling induced dark states and the controllable resonance fluorescence spectrum in quantum dot molecules
Tunneling induced dark states and the controllable resonance fluorescence spectrum in quantum dot molecules
复制标题
量子点分子中隧道诱导暗态和可控共振荧光光谱
DOI:
10.1088/0953-4075/47/15/155503
复制
发表时间:
2013-11
影响因子:
1.6
通讯作者:
Liu, Yun
中科院分区:
文献类型:
--
作者:
Tong, Cun-Zhu;Ning, Yong-Qiang;Qin, Li;Liu, Yun
Optical spectroscopy, a powerful tool for probing and manipulating quantum dots (QDs), has been used to investigate the resonance fluorescence spectrum from linear triple quantum dot molecules controlled by tunneling, using atomic physics methods. Interesting features such as quenching and narrowing of the fluorescence are observed. In such molecules the tunneling between the quantum dots can also induce a dark state. The results are explained by the transition properties of the dressed states generated by the coupling of the laser and the tunneling. Unlike the atomic system, in such quantum dot molecules quantum coherence can be induced using tunneling, requiring no coupling lasers, which will allow tunneling controllable quantum dot molecules to be applied to quantum optics and photonics.
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