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Modified weak measurement model of the photonic spin Hall effect including cross-polarization coefficients.

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Title: Modified weak measurement model of the photonic spin Hall effect including cross-polarization coefficients.
Authors: Chen, Mantong1 (AUTHOR), Wang, Qi1 (AUTHOR), Li, Yang1 (AUTHOR), Qin, Zirui2 (AUTHOR) qinzr@zzuli.edu.cn, Liu, Qinggang1 (AUTHOR) lqg@tju.edu.cn
Source: Journal of Physics D: Applied Physics. 2026, Vol. 59 Issue 23, p1-13. 13p.
Subjects: Spin Hall effect, Optical films, Weyl fermions, Strains & stresses (Mechanics), Photoconductivity, Quantum measurement, Beam splitters
Abstract: The photonic spin Hall effect (PSHE) is highly sensitive to the interface properties, making it a powerful tool for characterizing film material parameters. However, existing weak measurement models, which neglected cross-polarization coefficients, are inadequate for analyzing the properties of optical anisotropic films and their strain modulation characteristics. This limitation stems from the fact that strain modulation primarily affects the cross-polarization coefficients of films, but has a negligible impact on the conventional Fresnel coefficients, thereby significantly reducing the model's resolution limit under small strain conditions. To address this issue, a modified model for PSHE beam splitting and weak measurement, exhibiting broader applicability to both in-plane and out-of-plane shifts, was established in the paper. It applies not only in scenarios with arbitrary linear polarization in both the pre-selection and post-selection states, but also in the cases of involving absorptive media characterized by a surface photoconductivity tensor such as weyl semimetals(WSM), thereby allowing for the analysis of their reciprocal and non-reciprocal characteristics. Subsequently, the simulation method was employed to analyze the PSHE shifts of WSM under strain modulation, and the results were compared with the models that did not include the cross-polarization coefficient. The comparison results demonstrate that, whereas the model lacking the cross-polarization coefficient produces only a 0.7° shift, the modified model transforms the 1% compressive strain into a significant 27.6° sign reversal position shift. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Physics D: Applied Physics is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 194391848
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PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Modified weak measurement model of the photonic spin Hall effect including cross-polarization coefficients.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Chen%2C+Mantong%22">Chen, Mantong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Qi%22">Wang, Qi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Yang%22">Li, Yang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qin%2C+Zirui%22">Qin, Zirui</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> qinzr@zzuli.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Qinggang%22">Liu, Qinggang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lqg@tju.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Physics+D%3A+Applied+Physics%22">Journal of Physics D: Applied Physics</searchLink>. 2026, Vol. 59 Issue 23, p1-13. 13p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Spin+Hall+effect%22">Spin Hall effect</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+films%22">Optical films</searchLink><br /><searchLink fieldCode="DE" term="%22Weyl+fermions%22">Weyl fermions</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Photoconductivity%22">Photoconductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+measurement%22">Quantum measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Beam+splitters%22">Beam splitters</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The photonic spin Hall effect (PSHE) is highly sensitive to the interface properties, making it a powerful tool for characterizing film material parameters. However, existing weak measurement models, which neglected cross-polarization coefficients, are inadequate for analyzing the properties of optical anisotropic films and their strain modulation characteristics. This limitation stems from the fact that strain modulation primarily affects the cross-polarization coefficients of films, but has a negligible impact on the conventional Fresnel coefficients, thereby significantly reducing the model's resolution limit under small strain conditions. To address this issue, a modified model for PSHE beam splitting and weak measurement, exhibiting broader applicability to both in-plane and out-of-plane shifts, was established in the paper. It applies not only in scenarios with arbitrary linear polarization in both the pre-selection and post-selection states, but also in the cases of involving absorptive media characterized by a surface photoconductivity tensor such as weyl semimetals(WSM), thereby allowing for the analysis of their reciprocal and non-reciprocal characteristics. Subsequently, the simulation method was employed to analyze the PSHE shifts of WSM under strain modulation, and the results were compared with the models that did not include the cross-polarization coefficient. The comparison results demonstrate that, whereas the model lacking the cross-polarization coefficient produces only a 0.7° shift, the modified model transforms the 1% compressive strain into a significant 27.6° sign reversal position shift. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Physics D: Applied Physics is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1088/1361-6463/ae7294
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 13
        StartPage: 1
    Subjects:
      – SubjectFull: Spin Hall effect
        Type: general
      – SubjectFull: Optical films
        Type: general
      – SubjectFull: Weyl fermions
        Type: general
      – SubjectFull: Strains & stresses (Mechanics)
        Type: general
      – SubjectFull: Photoconductivity
        Type: general
      – SubjectFull: Quantum measurement
        Type: general
      – SubjectFull: Beam splitters
        Type: general
    Titles:
      – TitleFull: Modified weak measurement model of the photonic spin Hall effect including cross-polarization coefficients.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Chen, Mantong
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            NameFull: Wang, Qi
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            NameFull: Li, Yang
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            NameFull: Qin, Zirui
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            NameFull: Liu, Qinggang
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            – D: 12
              M: 06
              Text: 2026
              Type: published
              Y: 2026
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              Value: 00223727
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              Value: 59
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              Value: 23
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            – TitleFull: Journal of Physics D: Applied Physics
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