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Efficient Auxiliary Differential Equation FDTD Method for Dispersive Media

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Abstract

The auxiliary differential equation (ADE) method is widely used with FDTD to analyze dispersive media, and it requires rational function models for the relative permittivity. In this paper, a new and efficient ADE formulation for the models with complex-conjugate pole-residue pairs is developed and validated.

© 2014 Optical Society of America

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