Cited by 33Terahertz technology and applicationsLaser-Matter Interactions and ApplicationsGraphene research and applications

Circular-Photon-Drag-Effect-Induced Elliptically Polarized Terahertz Emission from Vertically Grown Graphene

Zhu, Lipeng, Yao, Zehan, Huang, Yuanyuan, He, Chuan, Quan, Baogang, Li, Junjie, Gu, Changzhi, Xu, Xinlong +1 more·2019·Physical Review Applied

Abstract

The circular photon drag effect (CPDE) is important for helicity-dependent optoelectronic emitters and detectors, but in graphene the relatively weak light-matter interaction gets drowned out by other nonlinear optical effects. Vertically grown graphene (VGG), though, with its particular symmetry point group, can exclude the other effects and enhance the light-graphene interaction. This study of the CPDE from VGG shows that the emitted THz states can be tuned to have linear or left- or right-handed elliptical polarization, by changing the helicity of the pump laser. This observation points to graphene-based polarization-sensitive THz sources for chiral analysis.

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Crossref · 10.1103/physrevapplied.12.044063

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32 of 32 references verified0 citation errors · 0 not checkable

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  • Recent studies of vertically grown multilayer graphene demonstrated an interplay between linear drag currents and helicity-dependent circular photon drag currents, leading to polarization-tunable elliptical THz generation.

    “Recent studies of vertically grown multilayer graphene have further demonstrated an interplay between linear drag currents and helicity-dependent circular photon drag currents, leading to polarization-tunable elliptical THz generation247.”

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Authors
Zhu, L., Yao, Z., Huang, Y., He, C., Quan, B., Li, J., Gu, C., Xu, X., & Ren, Z.
Affiliations
  • Northwest University (CN)
  • Chinese Academy of Sciences (CN)
Venue
Physical Review Applied
Published
2019-10-28
Volume
12
Issue
4
ISSN
2331-7019 (ISSN-L)
OpenAlex
W2982484131
Cited by
33
References
32
Citations by year
2026: 3 · 2025: 6 · 2024: 5 · 2023: 7 · 2022: 5 · 2021: 4 · 2020: 3
FWCI
1.08
Type
journal article
Language
en
Open access
closed
Locations
Physical Review Applied (publishedVersion)
Funders
  • National Natural Science Foundation of China (11774288, 11674387, 11574368, 11574385)
  • Natural Science Foundation of Shaanxi Province (2019JC-25, 2017KCT-01)
  • National Key R&D Program of China (2016YFA0200800, 2016YFA0200400)
  • International Cooperative Program (201410780)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
  • Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
Keywords
terahertz emission, elliptical polarization, chiral analysis, light-graphene interaction, nonlinear optical effects

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