3 papers
physics.optics2026
Two Complementary Approaches to Determine the Effective Index of Dielectric Ring Resonators
Ergun Simsek
Open-source finite-element frameworks for modal analysis of dielectric ring resonators are presented based on two complementary approaches. The first computes resonant wavelengths…
physics.optics2026
And Yet Another FEM-Based Mode Solver for Dielectric Waveguides
Ergun Simsek
We present a full-vector finite element method (FEM) mode solver for dielectric waveguides based on a mixed Nedelec-Lagrange discretization of Maxwell's curl equations in the frequ…
physics.optics2025
Practical Vectorial Mode Solver for Dielectric Waveguides Based on Finite Differences
Ergun Simsek
This study presents a finite-difference-based numerical solver designed for the electric field formulation of vector wave equations in optically linear, non-magnetic, dielectric wa…