近红外频率下石墨烯电导率的时域有限差分建模

2016 2nd International Conference on Electrical, Computer & Telecommunication Engineering (ICECTE) Pub Date : 2016-12-01 DOI:10.1109/ICECTE.2016.7879581

P. Sarker, M. Rana, A. K. Sarkar

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引用次数: 1

摘要

本文研究了近红外波段石墨烯带间电导率的建模。首先，将石墨烯带间电导率纳入表面边界条件(SBC)。然后，将SBC应用于石墨烯片的时域有限差分(FDTD)建模中。此外，在时域有限差分法中，使用辅助微分方程(ADE)来表征频率相关的石墨烯电导率。通过算例分析了该方法的优点、精度、适用性和稳定性。通过对已有分析结果的比较，验证了该方法的有效性。该方法可以很容易地实现用于光学器件应用的石墨烯带间电导率建模。

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Modeling of graphene conductivity using FDTD in the near infrared frequency

This paper investigates the modeling of graphene interband conductivity in near infared frequency range. First, the interband graphene conductivity is incorporated in surface boundary condition (SBC). Then, SBC is applied in finite-difference time domain (FDTD) method for modeling graphene sheet. Moreover, auxiliary differential equation (ADE) is used to characterize frequency dependent graphene conductivity in FDTD method. Advantages, accuracy, applicability and stability of the proposed method are analyzed by numerical examples. The method is validated by comparing the existing analytical results. This method can be easily implemented to model the graphene interband conductivity for optical device applications.

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2016 2nd International Conference on Electrical, Computer & Telecommunication Engineering (ICECTE)

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