A5067507051- Photonic Crystals and Applications
- Nonlinear Optical Materials Studies
- Random lasers and scattering media
- Salivary Gland Disorders and Functions
- Gut microbiota and health
- Photonic and Optical Devices
- Oral microbiology and periodontitis research
- Advanced Fiber Laser Technologies
- Neutrophil, Myeloperoxidase and Oxidative Mechanisms
- Photoacoustic and Ultrasonic Imaging
- Immune cells in cancer
- Plasmonic and Surface Plasmon Research
- Immune Response and Inflammation
- Orbital Angular Momentum in Optics
Sun Yat-sen University
2017-2025
Hospital of Stomatology, Sun Yat-sen University
2023-2025
Abstract Pathogenesis of periodontitis is marked by microbiota dysbiosis and disrupted host responses. Porphyromonas gingivalis a keystone pathogen which expresses various crucial virulence factors. This study aimed to clarify the role mechanisms P. tryptophan-indole metabolic pathway in pathogenesis periodontitis. showed that patients exhibited elevated tryptophan metabolism salivary abundance. Tryptophanase gene-deficiency altered proteome metabolome , inhibited virulent factors...
Abstract The upconversion lasing through simultaneous multiphoton absorption (MPA) is a high‐order nonlinear optical process, which enables many critical applications in the fluorescence imaging probe, laser tomography, and photodynamic therapy. Herein, from microwires via six‐photon at room temperature first realized. Moreover, peak third‐harmonic generation of pumping light are observed concurrently, while temperature‐dependent spectrum elucidates essential distinction between each other....
The realization of a one-dimensional (1D) random laser (RL) by using artificially fabricated scatterers is reported in this letter, and the lasing characteristic has also been investigated comprehensively. manipulation mode 1D microwire (MW) RL can be achieved through micro-pits prepared laser-ablation technique. Well-defined sharp peaks were realized based on coherence feedback process optical waveguide. near- far-field images exhibit excellent spatial intensity distribution, stability...
Enhancement of two-photon absorption detection in a single-microwire was demonstrated by high <italic>Q</italic>-factor whispering-cavity mode. The spatial and polarization characteristics the MW detector were investigated.
The properties of enhanced second‐harmonic generation (SHG) in microwires (MWs) through surface plasmonics have been investigated comprehensively. Here, the high Q‐factor hexagonal microcavity a single MW can significantly confine fundamental frequency light. Moreover, randomly distributed Ag nanoparticles are fabricated on template plate, which is used to enhance SHG localized plasmon (LSP). Compared with bare MW, intensity based LSP be twofold at room temperature. It seen that effect...