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Published in 2022 at "Optics letters"
DOI: 10.1364/ol.459398
Abstract: One of the hallmarks of non-Hermitian photonics is the existence of unique degeneracies, the so-called higher order exceptional points (HEPs). So far, HEPs have been examined mostly in finite coupled systems. In this paper, we…
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Keywords:
exceptional points;
higher order;
infinite lattices;
order exceptional ... See more keywords