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Exceptional points in non-Hermitian Photonics: Applications and Recent Developments
preprintposted on 2023-10-27, 16:00 authored by Haiyu Meng, Yee Sin Ang, Ching Hua Lee
Exceptional points are complex branching singularities of non-Hermitian bands that have lately attracted considerable interest, particularly in non-Hermitian photonics. In this article, we review some recent developments in non-Hermitian photonic platforms such as waveguides, photonic crystals, Fabry-Perot resonators and plasmonic systems, and suggest how optical non-linearities and exceptional bound states can significantly impact the development of non-Hermitian photonics in the near future.