# <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi mathvariant="script">PT</mml:mi></mml:math>-symmetric waveguide system with evidence of a third-order exceptional point

> Research article (Physical review. A/Physical review, A, 2017) · cited 65× · AI/ML

**Wikidata**: [openalex:W2603071922](https://www.wikidata.org/wiki/openalex:W2603071922)  
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