论文标题
通过运营测量的非高斯州认证
Certification of non-Gaussian states with operational measurements
论文作者
论文摘要
我们为使用双同伴检测的量子状态非高斯特征实验认证提供了一个理论框架。根据最近定义的恒星层次结构，我们对实验性非高斯国家进行对，并提出实用的维格尼人的见证人。我们模拟各种用例，从忠诚度估计到见证智慧的负面性。此外，我们扩展了非高斯国家恒星层次结构的鲁棒性的结果。我们的结果说明了双同伴检测作为检索有关连续可变量子状态的信息的实用测量方案的实用性。
We derive a theoretical framework for the experimental certification of non-Gaussian features of quantum states using double homodyne detection. We rank experimental non-Gaussian states according to the recently defined stellar hierarchy and we propose practical Wigner negativity witnesses. We simulate various use-cases ranging from fidelity estimation to witnessing Wigner negativity. Moreover, we extend results on the robustness of the stellar hierarchy of non-Gaussian states. Our results illustrate the usefulness of double homodyne detection as a practical measurement scheme for retrieving information about continuous variable quantum states.
