论文标题
高维轨道 - 角度摩托明状态的无折后控制生成
Postselection-free controlled generation of a high-dimensional orbital-angular-momentum entangled state
论文作者
论文摘要
轨道角动量（OAM）中的高维纠缠状态为量子信息应用提供了几个独特的优势。但是，为了获得给定应用的最佳性能，需要针对OAM纠缠状态的生成技术，该技术完全不含后且完全可控制。尽管如此，尽管过去有几项努力，但目前尚无此类技术。在本文中，我们只是提出了这样一种技术，并在实验上证明了多达约150维的OAM纠缠状态的无选择后产生。我们报告了具有控制的州和三角形OAM Schmidt光谱的状态的发电精度，这是对控制的量度，对于具有矩形光谱的最大输入的OAM状态，高达90％。
High-dimensional entangled states in orbital angular momentum (OAM) basis offer several unique advantages for quantum information applications. However, for the optimal performance of a given application, one requires a generation technique for OAM entangled states that is completely postselection-free and fully controllable. Nonetheless, despite several efforts in the past, no such technique currently exists. In this article, we propose just such a technique and experimentally demonstrate postselection-free generation of up to about 150-dimensional OAM entangled states. We report the generation accuracy, which is a measure of the control, to be more than 98% for states with Gaussian and triangular OAM Schmidt spectra and up to 90% for the maximally-entangled OAM states, which have rectangular spectra.
