Exceptional points, or EPs for short, are among the phenomena of modern physics. These are special points or locations at which the properties of matter, space or time change. In a new theoretical study, researchers from the Institute for Photonic Quantum Systems (PhoQS) at Paderborn University...
Source: [Phys.org](https://phys.org/news/2026-07-universal-exceptional-revealed-nonlinear-lightbased.html)