研究目的
Investigating the tunable reflected group delay from the graphene/hexagonal boron nitride (hBN) heterostructure in the infrared band.
研究成果
The graphene/hBN heterostructure can effectively control the reflected group delay in the infrared band by adjusting Fermi energy, the number of graphene layers, hBN thickness, and incident angle. This has potential applications in the design of graphene-based optical delay devices.
研究不足
The study is theoretical and lacks experimental validation. The practical implementation of the graphene/hBN heterostructure for optical delay devices may face challenges related to material synthesis and device fabrication.
1：Experimental Design and Method Selection:
The study theoretically investigates the reflected group delay using the graphene/hBN heterostructure, leveraging the Lorentz resonance mechanism.
2：Sample Selection and Data Sources:
The study uses theoretical models and simulations to analyze the properties of graphene and hBN.
3：List of Experimental Equipment and Materials:
Graphene and hBN are the primary materials, with no specific equipment mentioned.
4：Experimental Procedures and Operational Workflow:
The study involves adjusting Fermi energy, the number of graphene layers, hBN thickness, and incident angle to observe changes in reflected group delay.
5：Data Analysis Methods:
The study uses modified transfer matrix method to calculate the reflected group delay.
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