Graphene-embedded waveguide with improved modulation capability
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Affiliation:

1.Department of Research and development, Nanjing Research Institute of Electronic Technology,Nanjing 210039, China;2.School of Medicine, Southeast University, Nanjing 210009, China

Clc Number:

TN256

Fund Project:

Supported by the Dual Innovation Project of Jiangsu ProvinceFoundation:The work is supported by the Dual Innovation Project of Jiangsu Province.

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    Abstract:

    A graphene-embedded waveguide (GEW) with improved modulation capability was proposed, which can be over 2 times larger than that of conventional graphene-on-silicon (GOS) waveguide. More importantly, it is found that the improvement of modulation capability mainly results from the enhanced electric field confinement around graphene. Based on this finding, we propose a high-efficient method to optimize the modulation capability. By using this method, the optimization work can be reduced by an order of magnitude. Our work may promote the design of graphene-based electro-optic modulator with high modulation capability.

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PENG Xi-Liang, YANG Xin. Graphene-embedded waveguide with improved modulation capability[J]. Journal of Infrared and Millimeter Waves,2022,41(2):501~505

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History
  • Received:August 07,2021
  • Revised:April 03,2022
  • Adopted:September 27,2021
  • Online: March 31,2022
  • Published:
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