Distributing Entanglement with Separable States
Distributing Entanglement with Separable States
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DOI：
10.1103/physrevlett.111.230506
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发表时间：
2013-12-04
影响因子：
8.6
通讯作者：
Leuchs, Gerd
中科院分区：
文献类型：
--
作者：
Peuntinger, Christian;Chille, Vanessa;Leuchs, Gerd
我们通过实验证明了一个可分离量子系统的纠缠分布协议。在我们的实验中，电磁场的两个空间分离模式通过局部操作、经典通信和它们之间相关但可分离的模式的传输而纠缠。这突出了超越纠缠的量子相关对建立基本量子信息资源的效用，并验证了其通过双经典可分离量子通信进行分布的可能性。
We experimentally demonstrate a protocol for entanglement distribution by a separable quantum system. In our experiment, two spatially separated modes of an electromagnetic field get entangled by local operations, classical communication, and transmission of a correlated but separable mode between them. This highlights the utility of quantum correlations beyond entanglement for the establishment of a fundamental quantum information resource and verifies that its distribution by a dual classical and separable quantum communication is possible.