Versatile and active THz wave polarization modulators using metamaterial/graphene resonators Article Swipe
Abdullah M. Zaman
,
Yuezhen Lu
,
Nikita W. Almond
,
Oliver J. Burton
,
Jack Alexander-Webber
,
Stephan Hofmann
,
Thomas A. Mitchell
,
J. Griffiths
,
Harvey E. Beere
,
D. A. Ritchie
,
Riccardo Degl’Innocenti
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3389/fnano.2023.1057422
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3389/fnano.2023.1057422
Active modification of the polarization state is a key feature for the next-generation of wireless communications, sensing, and imaging in the THz band. The polarization modulation performance of an integrated metamaterial/graphene device is investigated via a modified THz time domain spectroscopic system. Graphene’s Fermi level is modified through electrostatic gating, thus modifying the device’s overall optical response. Active tuning of ellipticity by 0.3 is reported at the resonant frequency of 0.80 THz. The optical activity of transmitted THz radiations is continuously modified by at 0.71 THz. By carefully selecting the transmitted frequency with the relative angle between the incoming linear polarization and the device’s symmetry axis, active circular dichroism and optical activity are almost independently exploited. Finally, this all-electronically tuneable versatile polarization device can be used in all applications requiring an ultrafast modulation such as polarization spectroscopy, imaging, and THz wireless generation.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3389/fnano.2023.1057422
- https://www.frontiersin.org/articles/10.3389/fnano.2023.1057422/pdf
- OA Status
- gold
- Cited By
- 5
- References
- 51
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4318616760
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4318616760Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3389/fnano.2023.1057422Digital Object Identifier
- Title
-
Versatile and active THz wave polarization modulators using metamaterial/graphene resonatorsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-01-31Full publication date if available
- Authors
-
Abdullah M. Zaman, Yuezhen Lu, Nikita W. Almond, Oliver J. Burton, Jack Alexander-Webber, Stephan Hofmann, Thomas A. Mitchell, J. Griffiths, Harvey E. Beere, D. A. Ritchie, Riccardo Degl’InnocentiList of authors in order
- Landing page
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https://doi.org/10.3389/fnano.2023.1057422Publisher landing page
- PDF URL
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https://www.frontiersin.org/articles/10.3389/fnano.2023.1057422/pdfDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.frontiersin.org/articles/10.3389/fnano.2023.1057422/pdfDirect OA link when available
- Concepts
-
Terahertz radiation, Graphene, Materials science, Polarization (electrochemistry), Optoelectronics, Optics, Physics, Chemistry, Nanotechnology, Physical chemistryTop concepts (fields/topics) attached by OpenAlex
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-
5Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1, 2024: 4Per-year citation counts (last 5 years)
- References (count)
-
51Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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