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首页> 外文期刊>Physical Review, A >Quantitative study of beam-splitter-generated entanglement from input states with multiple nonclassicality-inducing operations
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Quantitative study of beam-splitter-generated entanglement from input states with multiple nonclassicality-inducing operations

机译：多种非分化诱导作用中输入状态的光束分离器产生的定量研究

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Continuous-variable beam-splitter (BS)-generated entanglement from single-mode optical states generated by a single nonclassicality (NC)-inducing operation has been found to be immensely important in several information processing tasks. There exists a broader class of optical states, generated from successive action of multiple different NC-inducing operations, which show many intriguing nonclassical properties; however, the BS conversion of the NC for such states remains unexplored. In this work we have critically analyzed the BS-generated entanglement from such nonclassical optical states at input. Here we present a scenario where BS output entanglement becomes nonmonotonic with the input NC parameters, accessible experimentally (e.g., number of photon excitation and squeezing strength), in contrast to the previous results with states comprising a single NC-inducing operation.We explain this counterintuitive feature in terms of the competition between these two NC-inducing operations as manifest in the contours of the Q functions associated with these states.
机译：已经发现由单模非分类性（NC） - 引入操作产生的单模光学状态的连续可变光束分离器（BS）缠结在几个信息处理任务中是非常重要的。存在更广泛的光学状态，从多个不同的NC诱导操作的连续作用产生，这表明了许多有趣的非生物特性;但是，对于这些国家的NC的BS转换仍未开发。在这项工作中，我们在输入时批判地分析了来自这种非分类光学状态的BS产生的缠结。在这里，我们提出了一种场景，其中BS输出纠缠与输入NC参数的非单调，实验访问（例如，光子激发和挤压强度的数量），与包括单个NC诱导操作的状态的先前结果相反。我们解释了这一点在与这些状态相关的Q功能的轮廓中，这两个NC诱导操作之间的竞争中的竞争特征在于竞争。

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