研究目的
Designing a nano-structured device using two adjacent graphene-based waveguides for ultra-deep sub-wavelength mode con?nement of an incident light-wave, with active control over the working frequency via electrostatic gating of the Fermi energy in graphene.
研究成果
The designed nano-structured waveguide, composed of two adjacent graphene-based waveguides, achieves ultra-deep sub-wavelength mode confinement of an incident light-wave. The operating frequency can be actively controlled by tuning the Fermi energy of graphene in the waveguides, making the device reconfigurable.
研究不足
The study is based on simulations, and practical implementation may face challenges related to the fabrication of graphene-based devices and precise control of the Fermi energy via electrostatic gating.
1：Experimental Design and Method Selection:
The design involves two adjacent graphene-based waveguides, with the Fermi energy of graphene in both waveguides tuned by electrostatic gating to control the working frequency.
2：Sample Selection and Data Sources:
The device is simulated, focusing on the confinement of surface plasmon polaritons (SPPs) waves in graphene.
3：List of Experimental Equipment and Materials:
Graphene waveguides, electrostatic gating setup.
4：Experimental Procedures and Operational Workflow:
Simulation of SPPs propagation and confinement in the designed waveguides, analysis of the electric field amplitude.
5：Data Analysis Methods:
Analysis of the propagation characteristics and mode confinement of SPPs in the graphene waveguides.
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