Discord启用的远距离 teleportation 激光成像
Discord-Enabled Teleportation-Inspired Optical Imaging at a Distance
AI总结：
利用伪热光源实现远距离 teleportation 激励光学成像，发现非零量子 discord 在维持信道中起关键作用。
摘要：
在量子 teleportation 中，一对纠缠光子是必要的，用作量子状态远距离传输的量子信道。在这里，我们报告了一种受量子 teleportation 启发的经典光学成像新策略，它也能在远处非本地工作；然而，仅使用经典相关的光源而不是纠缠。在我们的实验中，我们探索伪热光源以提供 teleportation 类似的信道，并利用和频生成来执行贝尔态测量。我们成功地展示了对简单字符、太极图以及轨道角动量模式叠加的 teleportation 激励光学成像。此外，我们实验发现伪热光源的更好相干性会导致形成的图像对比度降低，从而揭示了伪热光源提供的非零量子 discord，即使没有零纠缠，在维持远距离成像的 teleportation 类似信道中起关键作用。
英文摘要：
In quantum teleportation, a pair of entangled photons are prerequisite to serve as the quantum channel for quantum state transfer distantly. Here, we report a new strategy of quantum-teleportation-inspired classical optical imaging, which also works non-locally at a distance; however, only a classically correlated light source is used instead of entanglement. In our experiment, we explore the pseudo-thermal light source to offer the teleportation-like channel and employ the sum-frequency generation to perform the Bell-like state measurement. We successfully demonstrate the teleportation-inspired optical imaging of simple characters, Taiji diagram, and the superposition of orbital angular momentum modes. Moreover, we experimentally observe that a better coherence of pseudo-thermal light will result in a lower contrast of the formed images, and thus revealing that non-zero quantum discord offered by pseudo-thermal light, regardless of zero entanglement, plays the pivotal role in sustaining the teleportation-like channel for imaging at a distance.
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