Intrinsic spin Hall effect of vector beam with rotational symmetry-breaking

Xiaohui Ling; Zhiping Dai; Xunong Yi; Liezun Chen; Youwen Wang; Shuangchun Wen

doi:10.1117/12.2185626

8 September 2015 Intrinsic spin Hall effect of vector beam with rotational symmetry-breaking

Xiaohui Ling, Zhiping Dai, Xunong Yi, Liezun Chen, Youwen Wang, Shuangchun Wen

Author Affiliations +

Proceedings Volume 9551, Spintronics VIII; 95512S (2015) https://doi.org/10.1117/12.2185626
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

Abstract

We report the demonstration of intrinsic spin Hall effect (SHE) of cylindrical vector beam. Employing a fan-shaped aperture to block part of the vector beam, the intrinsic vortex phases are no longer continuous in the azimuthal direction, and results in the spin accumulation at the opposite edges of the light beam. Due to the inherent nature of the phase and independency of light-matter interaction, the observed SHE is intrinsic. Modulating the topological charge of the vector beam, the spin-dependent splitting can be enhanced and the direction of spin accumulation is switchable.

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Xiaohui Ling, Xiaohui Ling, Zhiping Dai, Zhiping Dai, Xunong Yi, Xunong Yi, Liezun Chen, Liezun Chen, Youwen Wang, Youwen Wang, Shuangchun Wen, Shuangchun Wen, } "Intrinsic spin Hall effect of vector beam with rotational symmetry-breaking ", Proc. SPIE 9551, Spintronics VIII, 95512S (8 September 2015); doi: 10.1117/12.2185626; https://doi.org/10.1117/12.2185626

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