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Optical switch: Dynamically controllable plasmon-induced transparency and polarization-insensitive operation.

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Title: Optical switch: Dynamically controllable plasmon-induced transparency and polarization-insensitive operation.
Authors: Wu, Xuehua1 (AUTHOR), Chen, Xiner2 (AUTHOR), Zhu, Jun1,2 (AUTHOR) zhujun1985@gxnu.edu.cn
Source: Modern Physics Letters B. 7/20/2026, Vol. 40 Issue 20, p1-12. 12p.
Subjects: Optical switches, Vanadium dioxide, Light filters, Plasmonics, Surface plasmons, Graphene, Integrated optics, Optical properties
Abstract: By taking advantage of the plasmon properties of graphene, a plasmon-induced transparency (PIT) system with multi-mode coupling can be constructed. We present a polarization-insensitive multifunctional metasurface leveraging graphene-vanadium dioxide (VO2) composites, where PIT arises from tailored bright–dark mode interactions. By capitalizing on the thermally triggered insulator-metal transition of VO2, we demonstrate a quadruple-band optical switch with exceptional metrics: 99% modulation depth (MD), 1.2 dB insertion loss (IL), and 8.7 dB (ER) extinction ratio — collectively enhancing signal integrity in photonic systems. Furthermore, this reconfigurable platform achieves VO2-tunable band-stop filtering via PIT modulation, advancing dynamically programmable photonic integrated circuits. [ABSTRACT FROM AUTHOR]
Copyright of Modern Physics Letters B is the property of World Scientific Publishing Company 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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DbLabel: Engineering Source
An: 194725851
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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IllustrationInfo
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  Data: Optical switch: Dynamically controllable plasmon-induced transparency and polarization-insensitive operation.
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Xuehua%22">Wu, Xuehua</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Xiner%22">Chen, Xiner</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Jun%22">Zhu, Jun</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zhujun1985@gxnu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Modern+Physics+Letters+B%22">Modern Physics Letters B</searchLink>. 7/20/2026, Vol. 40 Issue 20, p1-12. 12p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Optical+switches%22">Optical switches</searchLink><br /><searchLink fieldCode="DE" term="%22Vanadium+dioxide%22">Vanadium dioxide</searchLink><br /><searchLink fieldCode="DE" term="%22Light+filters%22">Light filters</searchLink><br /><searchLink fieldCode="DE" term="%22Plasmonics%22">Plasmonics</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+plasmons%22">Surface plasmons</searchLink><br /><searchLink fieldCode="DE" term="%22Graphene%22">Graphene</searchLink><br /><searchLink fieldCode="DE" term="%22Integrated+optics%22">Integrated optics</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+properties%22">Optical properties</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: By taking advantage of the plasmon properties of graphene, a plasmon-induced transparency (PIT) system with multi-mode coupling can be constructed. We present a polarization-insensitive multifunctional metasurface leveraging graphene-vanadium dioxide (VO2) composites, where PIT arises from tailored bright–dark mode interactions. By capitalizing on the thermally triggered insulator-metal transition of VO2, we demonstrate a quadruple-band optical switch with exceptional metrics: 99% modulation depth (MD), 1.2 dB insertion loss (IL), and 8.7 dB (ER) extinction ratio — collectively enhancing signal integrity in photonic systems. Furthermore, this reconfigurable platform achieves VO2-tunable band-stop filtering via PIT modulation, advancing dynamically programmable photonic integrated circuits. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Modern Physics Letters B is the property of World Scientific Publishing Company 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1142/S0217984926501587
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 1
    Subjects:
      – SubjectFull: Optical switches
        Type: general
      – SubjectFull: Vanadium dioxide
        Type: general
      – SubjectFull: Light filters
        Type: general
      – SubjectFull: Plasmonics
        Type: general
      – SubjectFull: Surface plasmons
        Type: general
      – SubjectFull: Graphene
        Type: general
      – SubjectFull: Integrated optics
        Type: general
      – SubjectFull: Optical properties
        Type: general
    Titles:
      – TitleFull: Optical switch: Dynamically controllable plasmon-induced transparency and polarization-insensitive operation.
        Type: main
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            NameFull: Wu, Xuehua
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            NameFull: Chen, Xiner
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          Name:
            NameFull: Zhu, Jun
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          Dates:
            – D: 20
              M: 07
              Text: 7/20/2026
              Type: published
              Y: 2026
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              Value: 40
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              Value: 20
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            – TitleFull: Modern Physics Letters B
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