ArticleLight, science & applications2025
Observing non-Hermiticity induced chirality breaking in a synthetic Hall ladder.
Article in Light, science & applications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Engineering Dirac points with hybrid photonic synthetic dimensions in a cavity.Science advances · 2026Article
- Time-synthetic optical neural networks with stable programmable gain.Nature communications · 2026Article
- A hybrid-frequency programmable synthetic-dimension simulator with rich coupling on a single chip.Light, science & applications · 2026Article
- Experimental observation of energy-band Riemann surface.Science advances · 2026Article
- Unusual impulse-momentum relationship in non-reciprocal light interactions.Light, science & applications · 2026Article
- Non-Hermitian quantum walks uncover dynamical quantum phase transitions under self-normal and biorthogonal bases.Light, science & applications · 2026Article
- Observing momentum conservation at temporal interfaces in synthetic frequency dimension.Science advances · 2025Article
- Phase-Space Generalized Brillouin Zone For Spatially Inhomogeneous Non-Hermitian Systems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Topological phonon blockade and its transfer via dark-mode engineering.Nature communications · 2025Article
- Observing half-integer topological winding numbers in non-Hermitian synthetic lattices.Light, science & applications · 2025Article
- The Topological Phases of One-Dimensional Non-Hermitian Systems with Spin-Orbit Coupling of the Generalized Brillouin Zone.Materials (Basel, Switzerland) · 2025Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
Non-Hermitian topological photonics plays a key role in bridging topological matter with gain and loss engineering in optics. Here we report the experimental observation of the break of chiral currents in a Hall ladder from the non-Hermiticity by constructing synthetic frequency dimension in two rings, where currents on both legs of the ladder co-propagate in the same direction. The origin of such phenomena is resulted from the interplay between the effective magnetic flux and the on-site gain and loss. Such non-Hermitian co-propagating currents exhibit characteristics of unidirectional frequency conversion in both rings, and moreover, different from the counterpart in Hermitian systems, can provide a method to probe the signatures of the non-Hermitian skin effect from steady-state bulk dynamics. Our model is further extended to models including next-nearest-neighbor couplings, pointing to a way for observing the non-Hermitian signature with higher winding number, and provides a new control knob for light manipulation with the topological dissipation engineering.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.