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Indirect precise angular control using four-wave mixing

Here we show indirect precise angular control using a four-wave mixing (FWM) process. This was performed with a superposition of light with orbital angular momentum (OAM) in an M-Type configuration of a hot 85Rb atomic ensemble. A gear-shaped interference pattern is observed at FWM light with a donut-shaped input signal. The gear could be rotated and is controlled through the change of the polarization of the pump laser. Our experimental results that are based on nonlinear coherent interactions have applications in image processing and precise angular control.

preprint2014arXivOpen access
Wei ZhangDong-Sheng DingYun-Kun JiangBao-Sen ShiGuang-Can Guo
physics.opticsquant-ph
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Open access5 authors2 topics
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Citations: 0Reviews: 0Saves: 0Code: not linkedDataset: not linkedInstitutions: 0

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Wei ZhangDong-Sheng DingYun-Kun JiangBao-Sen ShiGuang-Can Guo

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