Generation of arbitrarily oriented spatiotemporal optical vortices with nonlocal metasurfaces

Haiwen Wang,Cheng Guo,Weiliang Jin,Alex Y. Song,Shanhui Fan

Conference on Lasers and Electro-Optics（2022）

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摘要

We investigated a family of spatiotemporal optical vortices with arbitrarily oriented orbital angular momentum, and introduce a compact metasurface device for its generation. This is achieved by engineering the transmission nodal line of the device.

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关键词

arbitrarily oriented spatiotemporal optical vortices,nonlocal metasurfaces,arbitrarily oriented orbital angular momentum,compact metasurface device,transmission nodal line

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