Entangling Macroscopic Light States by Delocalized Photon Addition.,Physical Review Letters

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Entangling Macroscopic Light States by Delocalized Photon Addition.
Physical Review Letters ( IF 8.1 ) Pub Date : 2020-01-24 , DOI: 10.1103/physrevlett.124.033604
Nicola Biagi ₁ , Luca S Costanzo ₁ , Marco Bellini ₁ , Alessandro Zavatta ₁

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We present a scheme, based on the delocalized heralded addition of a single photon, to entangle two or more distinct field modes, each containing arbitrary light states. A high degree of entanglement can in principle endure light states of macroscopic intensities and is expected to be particularly robust against losses. We experimentally establish and measure significant entanglement between two identical weak laser pulses containing up to 60 photons each.

中文翻译：

通过离域光子加成纠缠宏观光态。

我们提出了一个方案，该方案基于单个光子的离域先驱加法，以纠缠两个或多个不同的场模式，每个场模式包含任意的光态。原则上，高度的纠缠可以忍受宏观强度的光状态，并有望对损失特别稳健。我们通过实验建立并测量两个相同的弱激光脉冲之间的明显纠缠，每个脉冲包含多达60个光子。

更新日期：2020-01-24

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