Realization of tunable photonic spin Hall effect by tailoring the Pancharatnam-berry phase.
Realization of tunable photonic spin Hall effect by tailoring the Pancharatnam-berry phase.
复制标题
通过定制 Pancharatnam-Berry 相实现可调谐光子自旋霍尔效应
DOI:
10.1038/srep05557
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发表时间:
2014-07-03
影响因子:
4.6
通讯作者:
Wen S
中科院分区:
文献类型:
--
作者:
Ling X;Zhou X;Shu W;Luo H;Wen S
Recent developments in the field of photonic spin Hall effect (SHE) offer new opportunities for advantageous measurement of the optical parameters (refractive index, thickness, etc.) of nanostructures and enable spin-based photonics applications in the future. However, it remains a challenge to develop a tunable photonic SHE with any desired spin-dependent splitting for generation and manipulation of spin-polarized photons. Here, we demonstrate experimentally a scheme to realize the photonic SHE tunably by tailoring the space-variant Pancharatnam-Berry phase (PBP). It is shown that light beams whose polarization with a tunable spatial inhomogeneity can contribute to steering the space-variant PBP which creates a spin-dependent geometric phase gradient, thereby possibly realizing a tunable photonic SHE with any desired spin-dependent splitting. Our scheme provides a convenient method to manipulate the spin photon. The results can be extrapolated to other physical system with similar topological origins.
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影响因子:
3.6
作者:
Niv, Avi;Gorodetski, Yuri;Hasman, Erez
通讯作者:
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影响因子:
8.6
作者:
Bliokh, Konstantin Yu.;Bliokh, Yury P.;Nori, Franco
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Nori, Franco
影响因子:
8.6
作者:
Dahan, Nir;Gorodetski, Yuri;Hasman, Erez
通讯作者:
Hasman, Erez
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通讯作者:
Nagaosa, N
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通讯作者:
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