Photonic Meron Spin Texture in Momentum Space

Cheng Guo; Meng Xiao; Yu Guo; Luqi Yuan; Shanhui Fan

doi:10.1364/CLEO_QELS.2021.FM1M.1

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FM1M.1
•https://doi.org/10.1364/CLEO_QELS.2021.FM1M.1

Photonic Meron Spin Texture in Momentum Space

Cheng Guo, Meng Xiao, Yu Guo, Luqi Yuan, and Shanhui Fan

CLEO: QELS_Fundamental Science 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Theory of Metasurfaces and Metamaterials (FM1M)

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C. Guo, M. Xiao, Y. Guo, L. Yuan, and S. Fan, "Photonic Meron Spin Texture in Momentum Space," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FM1M.1.

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Abstract

We show that a momentum-space meron spin texture for electromagnetic fields in free space can be generated by controlling the interaction of light with a photonic crystal slab having a nonzero Berry curvature. Our work highlights the opportunities of using photonic structures for the exploration of topological spin textures.

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