Spin Hall Effect Enhancement of Transmitted Light Through an Anisotropic Metamaterial Slab

Spin Hall Effect Enhancement of Transmitted Light Through an Anisotropic Metamaterial Slab

We study the spin Hall effect (SHE) enhancement of transmitted light through an anisotropic metamaterial slab. Physical mechanism of large transverse shift is explained based on the coupling between spin angular momentum and orbit angular momentum. Theoretical analysis predicts large transverse shif...

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Bibliographic Details
Main Authors: Tingting Tang, Yanfen Zhang, Jie Li, Li Luo
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Spin Hall effect of light
anisotropic metamaterial
loss
dispersion
Online Access:https://ieeexplore.ieee.org/document/7970110/
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Summary:We study the spin Hall effect (SHE) enhancement of transmitted light through an anisotropic metamaterial slab. Physical mechanism of large transverse shift is explained based on the coupling between spin angular momentum and orbit angular momentum. Theoretical analysis predicts large transverse shift of transmitted light can be realized by four possible combinations of real or imaginary <italic>z</italic> component of the wave vectors, which is verified by simulation results. The anisotropy of metamaterial brings greatly enhanced SHE of transmitted light but the metamaterial loss and dispersion will reduce the transverse shift significantly. A maximum transverse shift of 15.24 <italic>&#x03BC;</italic>m (12&#x03BB;) can be achieved in an anisotropic metamaterial of ZnGaO/ZnO multilayer without any amplification method.
ISSN:1943-0655

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