ArticleScience advances2022
Revealing non-Hermitian band structure of photonic Floquet media.
Article in Science advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Photonic time crystals assisted by quasi-bound states in the continuum.Science advances · 2026Article
- Temporal super-cell engineering and acoustic amplification in dispersive phononic time crystals.Nature communications · 2026Article
- Quantum electrodynamics of photonic time crystals.Nature communications · 2025Article
- Programmable photonic unitary circuits for light computing.Nanophotonics (Berlin, Germany) · 2025Review
- Spatiotemporal Symmetries and Energy-Momentum Conservation in Uniform Spacetime Metamaterials.ACS photonics · 2024Article
- Floquet parity-time symmetry in integrated photonics.Nature communications · 2024Article
- Non-Hermitian Floquet Topological Matter-A Review.Entropy (Basel, Switzerland) · 2023Review
- Topological degeneracy breaking in synthetic frequency lattice by Floquet engineering.Nanophotonics (Berlin, Germany) · 2023Article
- Metasurface-based realization of photonic time crystals.Science advances · 2023Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Periodically driven systems are ubiquitously found in both classical and quantum regimes. In the field of photonics, these Floquet systems have begun to provide insight into how time periodicity can extend the concept of spatially periodic photonic crystals and metamaterials to the time domain. However, despite the necessity arising from the presence of nonreciprocal coupling between states in a photonic Floquet medium, a unified non-Hermitian band structure description remains elusive. We experimentally reveal the unique Bloch-Floquet and non-Bloch band structures of a photonic Floquet medium emulated in the microwave regime with a one-dimensional array of time-periodically driven resonators. These non-Hermitian band structures are shown to be two measurable distinct subsets of complex eigenfrequency surfaces of the photonic Floquet medium defined in complex momentum space.
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