Preprint / Version 1

FDTD Scheme for Interfaces Formed by Space-Time Modulations

##article.authors##

  • Amir Bahrami KU Leuven
  • Christophe Caloz

DOI:

https://doi.org/10.31224/2321

Keywords:

time modulation and spacetime modulation, metamaterials, FDTD

Abstract

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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Posted

2022-05-02