laser梁自旋-轨道变换的拓扑相位
Topological phase for spin-orbit transformations on a laser beam
摘要：
我们用最大纠缠态研究了与SO（3）表象的双连通性相关的拓扑相位。实验演示的背景下进行轨道角动量的激光束的偏振和空间模式转换。通过干涉测量证明了拓扑相位的存在，并推导出了相干性与条纹可见度之间的定量关系。量子和经典制度进行了研究。
英文摘要：
We investigate the topological phase associated with the double connectedness of the SO(3) representation in terms of maximally entangled states. An experimental demonstration is provided in the context of polarization and spatial mode transformations of a laser beam carrying orbital angular momentum. The topological phase is evidenced through interferometric measurements and a quantitative relationship between the concurrence and the fringes visibility is derived. Both the quantum and the classical regimes were investigated.
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