ArticleProceedings of the National Academy of Sciences of the United States of America2021
Single-mode characteristic of a supermode microcavity Raman laser.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. 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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5 citing papers in PubMed.
- Liquid photonic-molecule microlasers for ultrasensitive biosensing.Nature communications · 2026Article
- Highly coherent two-color laser and its application for low-noise microwave generation.Nature communications · 2025Article
- Achieving Robust Single-Photon Blockade with a Single Nanotip.Nano letters · 2025Article
- Low-Threshold Anti-Stokes Raman Microlaser on Thin-Film Lithium Niobate Chip.Materials (Basel, Switzerland) · 2024Article
- Raman Lasing in a Tellurite Microsphere with Thermo-Optical on/off Switching by an Auxiliary Laser Diode.Micromachines · 2023Article
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7 authors.
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Abstract
Microlasers in near-degenerate supermodes lay the cornerstone for studies of non-Hermitian physics, novel light sources, and advanced sensors. Recent experiments of the stimulated scattering in supermode microcavities reported beating phenomena, interpreted as dual-mode lasing, which, however, contradicts their single-mode nature due to the clamped pump field. Here, we investigate the supermode Raman laser in a whispering-gallery microcavity and demonstrate experimentally its single-mode lasing behavior with a side-mode suppression ratio (SMSR) up to 37 dB, despite the emergence of near-degenerate supermodes by the backscattering between counterpropagating waves. Moreover, the beating signal is recognized as the transient interference during the switching process between the two supermode lasers. Self-injection is exploited to manipulate the lasing supermodes, where the SMSR is further improved by 15 dB and the laser linewidth is below 100 Hz.
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