Tuning the strength of exceptional points and their transition to diabolic points

Document Type

Article

Publication Date

8-2025

Department

Department of Physics

Abstract

In this work, we present a photonic scheme for controlling and tuning the strength of exceptional points (EPs) and their transition to diabolic points (DPs). The proposed scheme utilizes exceptional surface geometry in conjunction with a standard Mach–Zehnder interferometer to create a tunable mirror. The functionality of this structure is validated through full-wave simulations, demonstrating its potential for the dynamic manipulation of EPs and DPs. Importantly, our scheme can be implemented using standard on-chip photonics technology.

Publication Title

Optics Letters

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