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Spin Hall effect of linearly polarized light passed through a metasurface
A.G. Nalimov 1,2, A.A. Kovalev 1,2

1 Image Processing Systems Institute, NRC "Kurchatov Institute",
443001, Samara, Russia, Molodogvardeyskaya 151;
2 Samara National Research University,
443086, Samara, Russia, Moskovskoye Shosse 34

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DOI: Xxx

Pages: Xxx.

Full text of article: Russian language.

Abstract:
The density of the longitudinal component of the spin angular momentum (SAM) vector is calculated for a paraxial vector Gaussian beam with a periodic one-dimensional modulation. For the beam under consideration, the SAM in the initial plane is zero and the polarization is inhomogeneous and linear. When this beam propagates in free space, due to periodic modulation it is effectively divided into two beams with left-handed and right-handed elliptical polarization. That is, in the cross section of the beam, regions with spins of different signs are separated in space, which is a manifestation of the spin Hall effect. This beam can be formed using a metasurface whose transmission periodically depends on one coordinate.

Keywords:
metasurface, spin angular momentum, paraxial vector beam, Hall effect.

Citation:
Nalimov AG, Kovalev AA. Spin Hall effect of linearly polarized light passed through a metasurface. Computer Optics 2024; 48(5): 662-668. DOI: 10.18287/2412-6179-CO-1500.

Acknowledgements:
The work was partly funded by the Russian Science Foundation under grant #23-12-00236 (Section "Numerical simulation") and NRC "Kurchatov Institute" within the State assignment (Sections "Introduction" and "Conclusion").

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