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Enhanced Goos–Hänchen shift at normal incidence using Tamm plasmon polaritons.

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Title: Enhanced Goos–Hänchen shift at normal incidence using Tamm plasmon polaritons.
Authors: Zhang, Shi-Yi1 (AUTHOR), Ding, Yan-Jing1 (AUTHOR), Geng, Zi-Ru1 (AUTHOR), Wu, Li-Ting2 (AUTHOR), Guo, Tian-Jing3 (AUTHOR), Kang, Ming4 (AUTHOR), Chen, Jing1 (AUTHOR) jchen4@nankai.edu.cn
Source: Journal of Physics D: Applied Physics. 2026, Vol. 59 Issue 17, p1-12. 12p.
Subjects: Polaritons, Magnetooptics, T-symmetry, Integrated optics
Abstract: The Goos–Hänchen (GH) shift, a lateral displacement of an optical beam under total internal reflection, generally requires oblique incidence and remains reciprocal. Achieving a non-reciprocal GH shift at normal incidence via the magneto-optical effect is of great importance for ultra-compact integrated photonic systems, yet its typically weak magnitude has hindered practical implementation. Here, we propose a novel strategy that exploits the strong field localization of Tamm plasmon polaritons in a simple multilayer structure, enabling orders-of-magnitude enhancement of the non-reciprocal GH shift in both reflection and transmission at normal incidence. Furthermore, by incorporating parity-time symmetry, we demonstrate that this enhancement can be further increased. Our work establishes a compact and versatile platform for realizing pronounced non-reciprocal beam shifts, opening promising pathways toward on-chip photonic devices such as isolators, switchers, and sensors. [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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 193284695
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Enhanced Goos–Hänchen shift at normal incidence using Tamm plasmon polaritons.
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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 17, p1-12. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Polaritons%22">Polaritons</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetooptics%22">Magnetooptics</searchLink><br /><searchLink fieldCode="DE" term="%22T-symmetry%22">T-symmetry</searchLink><br /><searchLink fieldCode="DE" term="%22Integrated+optics%22">Integrated optics</searchLink>
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  Data: The Goos–Hänchen (GH) shift, a lateral displacement of an optical beam under total internal reflection, generally requires oblique incidence and remains reciprocal. Achieving a non-reciprocal GH shift at normal incidence via the magneto-optical effect is of great importance for ultra-compact integrated photonic systems, yet its typically weak magnitude has hindered practical implementation. Here, we propose a novel strategy that exploits the strong field localization of Tamm plasmon polaritons in a simple multilayer structure, enabling orders-of-magnitude enhancement of the non-reciprocal GH shift in both reflection and transmission at normal incidence. Furthermore, by incorporating parity-time symmetry, we demonstrate that this enhancement can be further increased. Our work establishes a compact and versatile platform for realizing pronounced non-reciprocal beam shifts, opening promising pathways toward on-chip photonic devices such as isolators, switchers, and sensors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  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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        Value: 10.1088/1361-6463/ae6126
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      – Code: eng
        Text: English
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        PageCount: 12
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      – SubjectFull: Polaritons
        Type: general
      – SubjectFull: Magnetooptics
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      – SubjectFull: T-symmetry
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      – SubjectFull: Integrated optics
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      – TitleFull: Enhanced Goos–Hänchen shift at normal incidence using Tamm plasmon polaritons.
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            NameFull: Zhang, Shi-Yi
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            NameFull: Ding, Yan-Jing
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            NameFull: Geng, Zi-Ru
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            NameFull: Wu, Li-Ting
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            NameFull: Guo, Tian-Jing
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            NameFull: Kang, Ming
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            NameFull: Chen, Jing
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            – D: 01
              M: 05
              Text: 2026
              Type: published
              Y: 2026
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            – TitleFull: Journal of Physics D: Applied Physics
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