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dc.contributor.authorChen, Zhihaoen_US
dc.contributor.authorChen, Yuen_US
dc.contributor.authorWu, Yaodongen_US
dc.contributor.authorZhou, Xinxingen_US
dc.contributor.authorSun, Handongen_US
dc.contributor.authorLow, Tonyen_US
dc.contributor.authorChen, Hongshengen_US
dc.contributor.authorLin, Xiaoen_US
dc.identifier.citationChen, Z., Chen, Y., Wu, Y., Zhou, X., Sun, H., Low, T., Chen, H. & Lin, X. (2022). Wide-angle giant photonic spin Hall effect. Physical Review B, 106(7), 075409-1-075409-7.
dc.description.abstractPhotonic spin Hall effect is a manifestation of spin-orbit interaction of light and can be measured by a transverse shift \lambda of photons with opposite spins. The precise measurement of transverse shifts can enable many spin-related applications, such as precise metrology and optical sensing. However, this transverse shift is generally small (i.e. \delta /\lambda <{10}^{-1}, \lambda is the wavelength), which impedes its precise measurement. To-date proposals to generate giant spin Hall effect (namely with \delta /\lambda >{10}^{2}) have severe limitations, particularly its occurrence only over a narrow angular cone (with a width of \Delta \theta <{1}^{\circ}). Here we propose a universal scheme to realize the wide-angle giant photonic spin Hall effect with \Delta \theta >{70}^{\circ} by exploiting the interface between free space and uniaxial epsilon-near-zero media. The underlying mechanism is ascribed to the almost-perfect polarization splitting between s and p polarized waves at the designed interface. Remarkably, this almost-perfect polarization splitting does not resort to the interference effect and is insensitive to the incident angle, which then gives rise to the wide-angle giant photonic spin Hall effect.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.relationRG95/19 (S)en_US
dc.relation.ispartofPhysical Review Ben_US
dc.rights©2022 American Physical Society. All rights reserved. This paper was published in Physical Review B and is made available with permission of American Physical Society.en_US
dc.titleWide-angle giant photonic spin Hall effecten_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.contributor.researchCentre for Disruptive Photonic Technologies (CDPT)en_US
dc.description.versionPublished versionen_US
dc.subject.keywordsEpsilon-Near Zerosen_US
dc.subject.keywordsFree Spacesen_US
dc.description.acknowledgementX.L. was sponsored in part by the National Natural Science Foundation of China (62175212), the National Natural Science Fund for Excellent Young Scientists Fund Program (Overseas) of China, the Fundamental Research Funds for the Central Universities (2021FZZX001-19), and Zhejiang University Global Partnership Fund. X.Z. was supported by the National Natural Science Foundation of China (11604095). H.S. acknowledges support from the Singapore Ministry of Education AcRF Tier 1 [RG95/19 (S)].en_US
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