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arXiv 1801.07341physics.opticsquant-ph
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轨道angular momentum光束拓扑荷的弱测量

An experimental measurement of the topological charge of orbital angular momentum beams through weak measurement

Jing Zhu, Pei Zhang, Qichang Li, Feiran Wang, Chenhui Wang, Yingnan Zhou, Jinwen Wang, Hong Gao, L. C. Kwek, Fuli Li

摘要:

弱测量作为一种特殊的实验技术,只提取了被测系统的极少信息,不会引起被测状态的崩溃。将轨道角动量(OAM)态与弱测量过程的预选和后选系统耦合时,OAM态的位置与拓扑荷(TC)之间存在间接耦合.在此基础上,我们提出了一个实验方案,通过弱测量的方法,对-14 ~14范围内的OAM光束的TC进行了实验测量。

英文摘要:

As a special experimental technique, weak measurement extracts very little information about the measured system and will not cause the measured state collapse. When coupling the orbital angular momentum (OAM) state with a well-defined pre-selected and post-selected system of a weak measurement process, there is an indirect coupling between position and topological charge (TC) of OAM state. Based on these ideas, we propose an experimental scheme that experimentally measure the TC of OAM beams from -14 to 14 through weak measurement.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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