二分纠缠态鲁棒自测的实验演示数据

主要面向量子物理基本问题的研究，受到国家重点研发计划项目2017YFA0304103支持，在我们的工作中，借助于光子的全同性和路径自由度，在实验构建了最多四
维的路径-偏振双光子纠缠态，并以此演示了一个适用于两体任意纠缠纯态的自检测方案。实验结果显示，我们制备的高质量的纠缠态可以几乎达到自检测方案所用的不等式的最大违背，并从这些不等式的关联可以推断出两体任意纠缠未知纯态的施密特系数，实现局域等距映射等价意义下的态鉴定。数据量为56KB。

This dataset is primarily targeted at research on fundamental issues in quantum physics, and was supported by the National Key Research and Development Program of China under Grant No. 2017YFA0304103. In our work, we experimentally constructed up to 4-dimensional path-polarization two-photon entangled states by leveraging the indistinguishability and path degree of freedom of photons, and demonstrated a self-testing scheme applicable to arbitrary bipartite entangled pure states. The experimental results show that the high-quality entangled states we prepared nearly achieve the maximum violation of the inequalities used in the self-testing scheme. From the correlations of these inequalities, we can infer the Schmidt coefficients of arbitrary unknown bipartite entangled pure states, and realize state identification under the equivalence of local isometric mappings. The dataset size is 56 KB.