Abstract
In this article, we address an efficient solver of the Maxwell eigenvalue problem for lossy cavity resonators. The curl-curl equation for the electric field is discretized using curved tetrahedral incomplete quadratic finite elements, resulting in a nonlinear eigenvalue formulation. The eigenvalue problem is efficiently solved using a contour integral method (CIM). This method enables an accurate computation of all eigenvalues within a predefined region and is implemented in a highly parallelized framework to enhance the performance of the algorithm. Numerical results are presented to demonstrate the accuracy and efficiency of the proposed method.
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