Diamond raman vortex lasers

H Chen, Z Bai, J Chen, X Li, ZH Zhu, Y Wang… - ACS …, 2024 - ACS Publications
For the first time, a cascaded diamond Raman vortex laser directly emitting within the cavity
has been reported. Employing a two-mirror structured diamond Raman oscillator pumped by …

Optical Quasiparticles: Skyrmions, Bimerons and Skyrmionic Hopfions in Paraxial Laser Beams

SR Allam, Y Yoneda, T Omatsu - arxiv preprint arxiv:2501.10760, 2025 - arxiv.org
Skyrmions, merons, bimerons, and skyrmionic hopfions are quasiparticles which have stable
topological textures. They have been observed across multiple physical domains including …

Second-Harmonic Generation of Perfect Vortex Beams and Their Propagation Dynamics

P Li, Y Li, S Zhang, X Tao, M Guo, Z Wu… - Available at SSRN … - papers.ssrn.com
The systematic and comprehensive research on the single-pass second harmonic
generation (SHG) of the perfect vortex beam (PVB) under low fundamental wave depletion is …