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Proceedings Paper

Spin photonics and spin-photonic devices with dielectric metasurfaces
Author(s): Yachao Liu; Shizhen Chen; Yougang Ke; Xinxing Zhou; Hailu Luo; Shuangchun Wen
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Paper Abstract

Dielectric metasurfaces with spatially varying birefringence and high transmission efficiency can exhibit exceptional abilities for controlling the photonic spin states. We present here some of our works on spin photonics and spin-photonic devices with metasurfaces. We develop a hybrid-order Poincaré sphere to describe the evolution of spin states of wave propagation in the metasurface. Both the Berry curvature and the Pancharatnam-Berry phase on the hybrid-order Poincaré sphere are demonstrated to be proportional to the variation of total angular momentum. Based on the spin-dependent property of Pancharatnam-Berry phase, we find that the photonic spin Hall effect can be observed when breaking the rotational symmetry of metasurfaces. Moreover, we show that the dielectric metasurfaces can provide great flexibility in the design of novel spin-photonic devices such as spin filter and spin-dependent beam splitter.

Paper Details

Date Published: 8 September 2015
PDF: 10 pages
Proc. SPIE 9551, Spintronics VIII, 95511Z (8 September 2015); doi: 10.1117/12.2187337
Show Author Affiliations
Yachao Liu, Hunan Univ. (China)
Shizhen Chen, Hunan Univ. (China)
Yougang Ke, Hunan Univ. (China)
Xinxing Zhou, Hunan Univ. (China)
Hailu Luo, Hunan Univ. (China)
Shuangchun Wen, Hunan Univ. (China)

Published in SPIE Proceedings Vol. 9551:
Spintronics VIII
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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