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arXiv · 2604.14744

Inverse design of exceptional points in a single-resonance two-port network

Y. F. Li·Biao Chen·Y. Wu·Y. Liu·H. Lin·Bin Zhou
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Abstract

Exceptional points (EPs) in non-Hermitian photonic systems enable unconventional control of wave amplitude and phase. However, identifying the EPs in a multidimensional parameter space of a system can be nontrivial and, in some cases, even infeasible. Here we propose an inverse-design method to efficiently locate the scattering EPs for a two-port resonant system supporting a single mode. The proposed method provides a direct way for tuning of geometric parameters to realize scattering EPs, as confirmed by both full-wave simulation and equivalent circuit model. In principle, our method is compatible with multi-mode system and applicable to a broad class of resonant systems.

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Y. F. Li, Biao Chen, Y. Wu, Y. Liu, H. Lin, Bin Zhou. 2026-04-16. Inverse design of exceptional points in a single-resonance two-port network. https://arxiv.org/abs/2604.14744

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