ArticleNature communications2023
Dynamically crossing diabolic points while encircling exceptional curves: A programmable symmetric-asymmetric multimode switch.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Spatiotemporal dynamics of scattering exceptional points.Nature communications · 2026Article
- Observation of Restored Adiabatic State Transfer in Time-Modulated Non-Hermitian Systems.Nature communications · 2026Article
- Experimental witness of quantum jump induced high-order Liouvillian exceptional points.Nature communications · 2026Article
- Programmable state switching based on higher-order exceptional points in anti-parity-time symmetric microcavity systems.Scientific reports · 2025Article
- Coupled non-Hermitian skin effect with exceptional points.Light, science & applications · 2025Article
- Topological phonon blockade and its transfer via dark-mode engineering.Nature communications · 2025Article
- Non-Hermitian non-Abelian topological transition in the S = 1 electron spin system of a nitrogen vacancy centre in diamond.Nature nanotechnology · 2025Article
- Non-Markovian quantum exceptional points.Nature communications · 2025Article
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Authors and funding
5 authors.
Funding
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Abstract
Nontrivial spectral properties of non-Hermitian systems can lead to intriguing effects with no counterparts in Hermitian systems. For instance, in a two-mode photonic system, by dynamically winding around an exceptional point (EP) a controlled asymmetric-symmetric mode switching can be realized. That is, the system can either end up in one of its eigenstates, regardless of the initial eigenmode, or it can switch between the two states on demand, by simply controlling the winding direction. However, for multimode systems with higher-order EPs or multiple low-order EPs, the situation can be more involved, and the ability to control asymmetric-symmetric mode switching can be impeded, due to the breakdown of adiabaticity. Here we demonstrate that this difficulty can be overcome by winding around exceptional curves by additionally crossing diabolic points. We consider a four-mode [Formula: see text]-symmetric bosonic system as a platform for experimental realization of such a multimode switch. Our work provides alternative routes for light manipulations in non-Hermitian photonic setups.
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Registered trials
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