Nature Photonics
02 June 2022
Toroidal vortices of light
Chenhao Wan1,2, Qian Cao1, Jian Chen1, Andy Chong3✉ and Qiwen Zhan1✉
1 School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai, China.
2 School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, Hubei, China.
3 Department of Physics, University of Dayton, Dayton, OH, USA.
10.1038/s41566-022-01013-y
Artistic image of a vortex-ring light pulse. In such pulses, the field lines follow the shape of a torus (a donut shape), and they can be considered as an optical analogue of a smoke ring or bubble ring — common structures found in fluid dynamics.
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