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Dynamics of quantum correlation between separated nitrogen-vacancy centers embedded in plasmonic waveguide

机译:嵌入等质子波导嵌入分离氮空位中心的量子相关动力学

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We investigate the dynamics of quantum correlation between two separated nitrogen vacancy centers (NVCs) placed near a one-dimensional plasmonic waveguide. As a common medium of the radiation field of NVCs propagating, the plasmonic waveguide can dynamically induce quantum correlation between the two NVCs. It is interesting to find that such dynamically induced quantum correlation can be preserved in the long-time steady state by locally applying individual driving on the two NVCs. In particular, we also show that a large degree of quantum correlation can be established by this scheme even when the distance between the NVCs is much larger than their operating wavelength. This feature may open new perspectives for devising active decoherence-immune solid-state optical devices and long-distance NVC-based quantum networks in the context of plasmonic quantum electrodynamics.
机译:我们研究了靠近一维等离子体波导附近的两个分离的氮空位中心(NVC)之间量子相关性的动态。作为传播NVCS的辐射场的常见介质,等离子体波导可以动态地引起两个NVC之间的量子相关性。有趣的是,通过在两个NVC上局部施加各个驾驶,可以在长时间稳态中保留这种动态感应的量子相关性。特别地,我们还表明,即使当NVCS之间的距离大于其工作波长,也可以通过该方案建立大程度的量子相关性。该特征可以在等离子体电动电动动力学的背景下开辟用于设计有源去渗 - 免疫固态光学装置和长距离NVC的量子网络的新透视图。

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