We investigate the transmission of vector beams, correlated in their polarization and spatial degrees of freedom, through cold atoms in the presence of a transverse magnetic coupling field. The resulting phase-dependent dynamics allow us to imprint the spatially varying polarization of a vector beam onto atomic spin polarizations, thereby establishing a direct link between optical space-polarization correlations and atomic-state interference. We find that the resulting absorption profiles show interference fringes whose modulation strength is given by the squared concurrence of the vector beam, letting us identify optical concurrence from a single absorption image. We expect impact across a diverse range of applications, including spintronics, quantum memories, metrology, and clocks.

中文翻译：

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使用原子态干涉仪测量矢量光束的光学并发性

我们研究了矢量光束在存在横向磁耦合场的情况下通过冷原子的传输，其偏振和空间自由度相关。由此产生的相位相关动力学使我们能够将矢量光束的空间变化偏振印到原子自旋偏振上，从而在光学空间偏振相关性和原子态干涉之间建立直接联系。我们发现所得的吸收分布显示干涉条纹，其调制强度由矢量光束的并发平方给出，让我们从单个吸收图像中识别光学并发。我们预计会对各种应用产生影响，包括自旋电子学、量子存储器、计量学和时钟。