Spin photonics and spin-photonic devices with dielectric metasurfaces

Yachao Liu; Shizhen Chen; Yougang Ke; Xinxing Zhou; Hailu Luo; Shuangchun Wen

doi:10.1117/12.2187337

8 September 2015 Spin photonics and spin-photonic devices with dielectric metasurfaces

Yachao Liu, Shizhen Chen, Yougang Ke, Xinxing Zhou, Hailu Luo, Shuangchun Wen

Proceedings Volume 9551, Spintronics VIII; 95511Z (2015) https://doi.org/10.1117/12.2187337
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

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.

Conference Presentation

Citation Download Citation

Yachao Liu, Shizhen Chen, Yougang Ke, Xinxing Zhou, Hailu Luo, and Shuangchun Wen "Spin photonics and spin-photonic devices with dielectric metasurfaces", Proc. SPIE 9551, Spintronics VIII, 95511Z (8 September 2015); https://doi.org/10.1117/12.2187337

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