ArticleNature communications2022
Topological polarization singular lasing with highly efficient radiation channel.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Robust single-mode laser via merging bound state in the continuum.Light, science & applications · 2026Article
- Vectorial lasing with designable topological charges based on Möbius-like correspondence in quasi-BICs.Light, science & applications · 2026Article
- Broadband Acoustic Purcell Effect from Collective Bound States in the Continuum.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Ultracompact multibound-state-assisted flat-band lasers.Nature photonics · 2025Article
- High topological charge lasing in quasicrystals.Nature communications · 2024Article
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Authors and funding
7 authors.
Funding
Abstract
Bound states in the continuum (BICs) in photonic crystals describe the originally leaky Bloch modes that can become bounded when their radiation fields carry topological polarization singularities. However, topological polarization singularities do not carry energy to far field, which limits radiation efficiencies of BICs for light emitting applications. Here, we demonstrate a topological polarization singular laser which has a topological polarization singular channel in the second Brillouin zone and a paired linearly polarized radiation channel in the first Brillouin zone. The presence of the singular channel enables the lasing mode with a higher quality factor than other modes for single mode lasing. In the meanwhile, the presence of the radiation channel secures the lasing mode with high radiation efficiency. The demonstrated topological polarization singular laser operates at room temperature with an external quantum efficiency exceeding 24%. Our work presents a new paradigm in eigenmode engineering for mode selection, exotic field manipulation and lasing.
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