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Controlling fluorescence emission by plasmonic toroidal dipolar resonance in a ring-groove metastructure.

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Title: Controlling fluorescence emission by plasmonic toroidal dipolar resonance in a ring-groove metastructure.
Authors: Zhang, Xiao-Rui1 (AUTHOR), Zhou, Xue-Tong1 (AUTHOR), Hu, Ya-Xin1 (AUTHOR), Li, Jia-Qi1 (AUTHOR), Wang, Jin1 (AUTHOR), Dong, Zheng-Gao1 (AUTHOR) zgdong@seu.edu.cn
Source: Physics Letters A. Oct2020, Vol. 384 Issue 28, pN.PAG-N.PAG. 1p.
Subjects: Resonance, Emission control, Toroidal plasma, Fluorescence, Magnitude (Mathematics)
Abstract: • Modifying fluorescence emission under toroidal dipolar resonance. • Radiation decay rate can obtain two orders of magnitude enhancement. • Manipulating the polarization state of fluorescence. • Controlling two properties of fluorescence simultaneously. We propose a ring-groove nanostructure which can achieve toroidal dipolar resonance under normal incidence, and find that this design, due to the strong field confinement for this dipolar resonance, can simultaneously enhance the radiative decay rate and achieve high degree of linear polarization of the fluorescence emission. In addition, both radiation enhancement and degree of linear polarization are higher than those by other structure that cannot obtain toroidal dipolar resonance. It is expected that this design can promote the development of polarized light-emitting devices with enhanced emission intensity and potentially functional toroidal metasurface lasers. [ABSTRACT FROM AUTHOR]
Copyright of Physics Letters A is the property of Elsevier B.V. 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: 145118620
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PubTypeId: academicJournal
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  Label: Title
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  Data: Controlling fluorescence emission by plasmonic toroidal dipolar resonance in a ring-groove metastructure.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Xiao-Rui%22">Zhang, Xiao-Rui</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Xue-Tong%22">Zhou, Xue-Tong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Ya-Xin%22">Hu, Ya-Xin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Jia-Qi%22">Li, Jia-Qi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jin%22">Wang, Jin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+Zheng-Gao%22">Dong, Zheng-Gao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zgdong@seu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Physics+Letters+A%22">Physics Letters A</searchLink>. Oct2020, Vol. 384 Issue 28, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Resonance%22">Resonance</searchLink><br /><searchLink fieldCode="DE" term="%22Emission+control%22">Emission control</searchLink><br /><searchLink fieldCode="DE" term="%22Toroidal+plasma%22">Toroidal plasma</searchLink><br /><searchLink fieldCode="DE" term="%22Fluorescence%22">Fluorescence</searchLink><br /><searchLink fieldCode="DE" term="%22Magnitude+%28Mathematics%29%22">Magnitude (Mathematics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Modifying fluorescence emission under toroidal dipolar resonance. • Radiation decay rate can obtain two orders of magnitude enhancement. • Manipulating the polarization state of fluorescence. • Controlling two properties of fluorescence simultaneously. We propose a ring-groove nanostructure which can achieve toroidal dipolar resonance under normal incidence, and find that this design, due to the strong field confinement for this dipolar resonance, can simultaneously enhance the radiative decay rate and achieve high degree of linear polarization of the fluorescence emission. In addition, both radiation enhancement and degree of linear polarization are higher than those by other structure that cannot obtain toroidal dipolar resonance. It is expected that this design can promote the development of polarized light-emitting devices with enhanced emission intensity and potentially functional toroidal metasurface lasers. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Physics Letters A is the property of Elsevier B.V. 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: 10.1016/j.physleta.2020.126742
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      – Code: eng
        Text: English
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      – SubjectFull: Resonance
        Type: general
      – SubjectFull: Emission control
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      – SubjectFull: Toroidal plasma
        Type: general
      – SubjectFull: Fluorescence
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      – SubjectFull: Magnitude (Mathematics)
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      – TitleFull: Controlling fluorescence emission by plasmonic toroidal dipolar resonance in a ring-groove metastructure.
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              Text: Oct2020
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