Graphene-embedded waveguide with improved modulation capability

Xi-Liang PENG; Xin YANG

doi:10.11972/j.issn.1001-9014.2022.02.017

Journals >Journal of Infrared and Millimeter Waves >Volume 41 >Issue 2 >Page 501 > Article

Journal of Infrared and Millimeter Waves
Vol. 41, Issue 2, 501 (2022)

Graphene-embedded waveguide with improved modulation capability

Xi-Liang PENG^1、* and Xin YANG²

Author Affiliations

¹Department of Research and development，Nanjing Research Institute of Electronic Technology，Nanjing 210039，China

²School of Medicine，Southeast University，Nanjing 210009，China

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DOI: 10.11972/j.issn.1001-9014.2022.02.017 Cite this Article

Xi-Liang PENG, Xin YANG. Graphene-embedded waveguide with improved modulation capability[J]. Journal of Infrared and Millimeter Waves, 2022, 41(2): 501 Copy Citation Text

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（a）The schematic diagram of the GEW，（b）in-plane electric field distribution for TE mode，and（c）out-of-plane electric field distribution for TE mode

Fig. 1. （a）The schematic diagram of the GEW，（b）in-plane electric field distribution for TE mode，and（c）out-of-plane electric field distribution for TE mode

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The AMC（red circle）and κ（blue square）varies with the HGEW at（a）WGEW =300 nm，（b）WGEW =400 nm；（c） WGEW =500 nm，（d） WGEW =600 nm，（e） WGEW =700 nm，（f） WGEW =800 nm

Fig. 2. The AMC（red circle）and

κ

（blue square）varies with the H_GEW at（a）W_GEW =300 nm，（b）W_GEW =400 nm；（c） W_GEW =500 nm，（d） W_GEW =600 nm，（e） W_GEW =700 nm，（f） W_GEW =800 nm

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Fig. 3. The PMC（red circle）and

κ

（blue square）varies with the H_GEW at（a） W_GEW=300 nm，（b） W_GEW =400 nm，（c） W_GEW =500 nm，（d） W_GEW =600 nm，（e） W_GEW =700 nm，（f） W_GEW =800 nm

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Fig. 4. （a）The schematic diagram of MZI based on optimized GEW（W_GEW=800 nm，H_GEW =100 nm），（b）Transmission of MZI based on the optimized GEW as a function of the applied voltage

|V_{g} + V_{0}|

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Fig. 5. The real part of

ε_{∥}

（green triangle），the imaginary part of

ε_{∥}

（red square）and the chemical potential of graphene

μ_{c}

（blue circle）

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Xi-Liang PENG, Xin YANG. Graphene-embedded waveguide with improved modulation capability[J]. Journal of Infrared and Millimeter Waves, 2022, 41(2): 501

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