ArticleNature communications2020
Reconfigurable symmetry-broken laser in a symmetric microcavity.
Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Chiral laser gyroscopes breaking the lock-in limit.Nature · 2026Article
- Article
- Nonlinear topological symmetry protection in a dissipative system.Nature communications · 2024Article
- Single-mode characteristic of a supermode microcavity Raman laser.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Low-threshold topological nanolasers based on the second-order corner state.Light, science & applications · 2020Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The coherent light source is one of the most important foundations in both optical physics studies and applied photonic devices. However, the whispering gallery microcavity, as a prime platform for novel light sources, has the intrinsically chiral symmetry and severely rules out access to directional light output, all-optical flip-flops, efficient light extraction, etc. Here, we demonstrate a reconfigurable symmetry-broken microlaser in an ultrahigh-Q whispering gallery microcavity with the symmetric structure, in which a chirality of lasing field is empowered spontaneously by the optical nonlinear effect. Experimentally, the ratio of counter-propagating lasing intensities is found to exceed 160:1, and the chirality can be controlled dynamically and all-optically by the bias in the pump direction. This work not only presents a distinct recipe for coherent light sources with robust and reconfigurable performance, but also opens up an unexplored avenue to symmetry-broken physics in optical micro-structures.
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Registered trials
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