ArticleNature communications2024
Floquet parity-time symmetry in integrated photonics.
Article in Nature communications, 2024. 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.
- Reconfigurable all-solid-state topological lasing at arbitrary sites.Nature communications · 2026Article
- Observing momentum conservation at temporal interfaces in synthetic frequency dimension.Science advances · 2025Article
- Observation of momentum-band topology in PT-symmetric Floquet lattices.Nature communications · 2025Article
- Topological Singularities and Edge-State Coupling Enable Robust on-Chip Slow Light.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Coherent acoustic frequency comb via floquet engineering of optical tweezer phonon lasers.Science advances · 2025Article
- Exceptional lines and higher-order exceptional points enabled by uniform loss.Scientific reports · 2025Article
- Efficient non-Hermitian wave-modulation protocol with a rapid parametric jump.Nanophotonics (Berlin, Germany) · 2025Article
- On-chip reconfigurable transmission in spatially chirped Floquet parity-time symmetric photonics.Science advances · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Parity-time (PT) symmetry has been unveiling new photonic regimes in non-Hermitian systems, with opportunities for lasing, sensing and enhanced light-matter interactions. The most exotic responses emerge at the exceptional point (EP) and in the broken PT-symmetry phase, yet in conventional PT-symmetric systems these regimes require large levels of gain and loss, posing remarkable challenges in practical settings. Floquet PT-symmetry, which may be realized by periodically flipping the effective gain/loss distribution in time, can relax these requirements and tailor the EP and PT-symmetry phases through the modulation period. Here, we explore Floquet PT-symmetry in an integrated photonic waveguide platform, in which the role of time is replaced by the propagation direction. We experimentally demonstrate spontaneous PT-symmetry breaking at small gain/loss levels and efficient control of amplification and suppression through the excitation ports. Our work introduces the advantages of Floquet PT-symmetry in a practical integrated photonic setting, enabling a powerful platform to observe PT-symmetric phenomena and leverage their extreme features, with applications in nanophotonics, coherent control of nanoscale light amplification and routing.
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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.