ArticleScientific reports2025
Observation of anti-PT-symmetry and higher-order exceptional point PT-symmetry in ternary systems for single-mode operation.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Exceptional point-enhanced piezoelectric thermometry via anti-parity-time symmetry.Microsystems & nanoengineering · 2026Article
- Programmable state switching based on higher-order exceptional points in anti-parity-time symmetric microcavity systems.Scientific reports · 2025Article
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3 authors.
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Abstract
Nowadays, topological parity-time (PT) and anti- parity-time (APT) symmetry systems have attracted substantial attention due to their noticeable features and specific applications. The emergence of exceptional points in these systems plays a direct role in their overall responses and causes them to exhibit an entirely real spectrum. Here, we propose and analyze a new approach based on the broken PT in the vicinity of a third-order exceptional point and APT symmetry that allows us to experimentally achieve a stable single-mode laser. A feasible third-order exceptional point can be synthesized by coupling three microcavities to each other. The behaviors of these lasers are evaluated in different situations according to introducing the gain and loss perturbation to the system. Our proposed microlasers and their distinct properties based on photonic exceptional points may find use in a wide variety of applications such as ultrahigh precision sensing, spectroscopy, and optical on-chip filters and lasers.
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