FDTD Scheme for Interfaces Formed by Space-Time Modulations
Keywords:time modulation and spacetime modulation, metamaterials, FDTD
Emerging metamaterials formed by space-time modulation involve interfaces that conjunctly move in space and time. This creates a fundamental discretization issue in numerical methods such as the Finite Difference Time Domain (FDTD) method. This paper highlights this issue and resolves it using a numerical frame-hopping scheme. This scheme is validated by comparison with exact analytical results from previous works.
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Copyright (c) 2022 Amir Bahrami, Christophe Caloz
This work is licensed under a Creative Commons Attribution 4.0 International License.