来自单个六方氮化硼量子发射器的Rabi振荡和共振荧光,Optica

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来自单个六方氮化硼量子发射器的Rabi振荡和共振荧光
Optica ( IF 8.4 ) Pub Date : 2019-04-26 , DOI: 10.1364/optica.6.000542
Kumarasiri Konthasinghe , Chitraleema Chakraborty , Nikhil Mathur , Liangyu Qiu , Arunabh Mukherjee , Gregory D. Fuchs , A. Nick Vamivakas

六方氮化硼（hBN）是一种带隙宽的2D材料，正在迅速成为量子光学实验的有希望的候选者。在这项工作中，我们尽我们所能证明了共振驱动的hBN量子发射器Rabi振荡的第一个特征，即Mollow三重态的时域模拟。共振光致发光激发测量表明，发射器经历了强光谱扩散，时间尺度为

37 \pm 25 小姐

，导致0.6 GHz频谱扩散在弱激励极限处加宽了线宽。我们使用交叉极化设置进一步实现了来自同一发射器的共振荧光。此处显示的结果代表了在2D材料中利用相干光学控制以实现可伸缩量子信息处理的重要一步。

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Rabi oscillations and resonance fluorescence from a single hexagonal boron nitride quantum emitter

Hexagonal boron nitride (hBN), a wide-bandgap 2D material, is rapidly emerging as a promising candidate for quantum optics experiments. In this work, we demonstrate, to the best of our knowledge, the first signature of Rabi oscillations, the time-domain analogue of the Mollow triplet, from a resonantly driven hBN quantum emitter. Resonant photoluminescence excitation measurements reveal that the emitter undergoes strong spectral diffusion with a time scale of

37 \pm 25 ms

, resulting in a 0.6 GHz spectral diffusion broadened linewidth at the weak excitation limit. We further realize resonance fluorescence from the same emitter using a cross-polarized setup. The results shown here present an important step toward utilizing coherent optical control in 2D materials for the realization of scalable quantum information processing.

更新日期：2019-05-20

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